Pioneer SCSI 2 User Manual

CD-ROM

SCSI-2 Command Set

Reference Manual

V e r s i o n 3 . 1

(OB-U0077C)

June 26, 1997

Pioneer Electronic Corporation

Pioneer New Media Technologies, Inc.

reproduced, translated or utilized in any form or by any means now known or hereafter invented

including, but not limited to, any electronic, mechanical, photocopying and recording or information

storage and retrieval system means, without the express written permission from Pioneer Electronic

Corporation or its affiliates.

Every effort has been made to ensure that the information in this manual is accurate. Pioneer is not

responsible for printing or clerical errors.

Information in this document is subject to change without notice.

Specifications and design are subject to improve or be changed without notice.

Document No. SCSI2CD31S001-0697

Simultaneously printed in Japan and the United States of America.

Mention of third-party products is for informational purposes only and contributes neither an

endorsement nor a recommendation. Pioneer assumes no responsibility with regard to the performance or

use of these products.

No investigation has been made of common-law trademark rights in any word. Words that are known to

have current registrations are shown with an initial capital. Many, if not all, hardware and/or software

products referenced in this manual are identified by their trade names. Most, if not all, of these

designations are claimed as legally protected trademarks by the companies that make the product. It is

not Pioneer’s intent to use any of these names generically and cautions the reader to investigate any

claimed trademark before using it for any purpose other than to refer to the product to which the

trademark is attached.

Pioneer makes no warranty of any kind, expressed or implied, about the contents of this manual, the

merchantability of the product or the product’s fitness for any particular purpose.

Every precaution has been taken in the preparation of this manual. Although we tried to thoroughly

check that all instructions in this manual are accurate and correct, Pioneer can not be and is not

responsible, in whole or in part, for any damage or loss to your data and/or equipment that results from

your use of this document or from any information contained herein including, but not limited to, any

errors, omissions or typos that may have resulted in an incorrect operation or installation.

FCC INFORMATION

The equipment described in this manual has been tested and found to comply with the limits for a Class

B digital device in accordance with the specifications in Part 15 of FCC rules. These specifications are

designed to provide reasonable protection against radio and television reception interference in a

residential installation. There is no guarantee that interference will not occur in a particular installation.

To determine if your CD-ROM drive is causing interference, turn the drive off. If the interference stops,

it was most likely caused by the drive. To eliminate the interference, you may try one or more of the

following corrective measures:

verify the cables and connectors between components are shielded.

increase separation between the drive and components.

connect the drive into an outlet or circuit different from that which the components are

connected.

consult dealer or experienced radio/television technician for help.

The Federal Communications Commission offers a handbook that may help you with eliminating

interference. The handbook is titled Interference Handbook (stock number 004-000-00493-1) and may

be ordered from the U.S. Government Printing Office, Washington, D.C. 20402.

WARNING: Any changes or modifications to this product that are not authorized by Pioneer could void

the FCC Certification and negate the user’s authority to operate the equipment.

DOC CLASS B COMPLIANCE

This digital apparatus does not exceed the Class B limits for radio noise emissions from digital apparatus

set out in the radio interference regulations of the Canadian Department of Communications.

Table of Contents

LIST OF TABLES .............................................................................................................................. iv

REVISION HISTORY......................................................................................................................viii

PREFACE.................................................................................................................................... 1

1.1

1.2

1.3

DRM/DR-U Series......................................................................................................................1

Drives Supported by this Manual ................................................................................................3

SCSI Protocol .............................................................................................................................4

1.3.1

1.3.2

1.3.3

1.3.4

Command Link/Control Field........................................................................... 4

Disconnect/Reselect.......................................................................................... 4

Status Phase...................................................................................................... 5

In-Phase/Out-Phase Messages........................................................................... 5

1.4

1.5

Address Format for Answering Occasion (MSF bit)....................................................................7

Sample Command.......................................................................................................................7

COMMANDS .............................................................................................................................. 9

2.1

2.2

2.3

2.4

2.5

2.6

2.7

2.8

2.9

Audio Scan (1) (CDh) ...............................................................................................................13

Audio Scan (2) (BAh) ...............................................................................................................17

Change Definition (40h)............................................................................................................19

Inquiry (12h).............................................................................................................................21

Mode Select(6) (15h) ................................................................................................................25

Mode Select(10) (55h) ..............................................................................................................29

Mode Sense(6) (1Ah)................................................................................................................31

Mode Sense(10) (5Ah)..............................................................................................................35

Mode Select/Sense Parameters ..................................................................................................37

2.9.1

2.9.2

2.9.3

2.9.4

2.9.5

2.9.6

2.9.7

2.9.8

2.9.9

Error Recovery Parameters............................................................................. 39

Verify Error Recovery Page............................................................................ 45

Peripheral Device Page................................................................................... 47

Medium Types Supported Page ...................................................................... 49

CD-ROM Parameters Page ............................................................................. 51

CD-ROM Audio Control Parameters .............................................................. 53

CD-ROM Capabilities and Mechanical Status Page ........................................ 55

Drive Speed Page ........................................................................................... 61

Logical Unit Assignment Page........................................................................ 63

2.10

2.11

2.12

2.13

Pause/Resume (4Bh).................................................................................................................65

Play Audio(10) (45h) ................................................................................................................67

Play Audio(12) (A5h) ...............................................................................................................69

Play Audio MSF (47h)..............................................................................................................71

-i-

2.14

2.15

2.16

2.17

2.18

2.19

2.20

2.21

2.22

2.23

2.24

2.25

2.26

2.27

2.28

2.29

2.30

2.31

2.32

2.33

2.34

2.35

2.36

2.37

2.38

2.39

2.40

2.41

2.42

2.43

2.44

2.45

2.46

2.47

2.48

2.49

Play Audio Track Index (48h)................................................................................................... 73

Play Audio Track Relative(10) (49h) ........................................................................................ 75

Play Audio Track Relative(12) (A9h) ....................................................................................... 77

Prevent/Allow Media Removal (1Eh) ....................................................................................... 79

Read(6) (08h) ........................................................................................................................... 81

Read(10)................................................................................................................................... 83

Read Buffer (3Ch) .................................................................................................................... 85

Read CD-ROM Capacity (25h)................................................................................................. 87

Read CD (BEh) ........................................................................................................................ 89

Read CD MSF (B9h)................................................................................................................ 95

Read CDP (E4h)....................................................................................................................... 97

Read Drive Status (E0h) ........................................................................................................... 99

Read header (44h)....................................................................................................................103

Read Sub-Channel (42h)..........................................................................................................105

Read TOC (43h)......................................................................................................................113

Read Diagnostic Results (1Ch) ................................................................................................119

Release (17h)...........................................................................................................................121

Request Sense (03h) ................................................................................................................123

Reserve (16h) ..........................................................................................................................129

Rezero Unit (01h)....................................................................................................................131

Seek(6)....................................................................................................................................133

Seek(10) (2Bh) ........................................................................................................................135

Send Diagnostic (1Dh) ............................................................................................................137

Set CD-ROM Speed(1) (DAh).................................................................................................139

Set CD-ROM Speed(2) (BBh) .................................................................................................141

Start/Stop Unit (1Bh)...............................................................................................................143

Stop Play/Scan (4Eh)...............................................................................................................145

Test Unit Ready (00h) .............................................................................................................147

Verify(10) (2Fh)......................................................................................................................149

Verify(12) (AFh) .....................................................................................................................151

Write Buffer (3Bh) ..................................................................................................................153

Write CDP (E3h).....................................................................................................................155

Read CD-DA (D8h).................................................................................................................157

Read CD-DA MSF (D9h)........................................................................................................161

READ CD-XA (DBh)..............................................................................................................163

Read All SubCode (DFh).........................................................................................................165

APPENDIX A PIONEER CD-ROM DRIVES - AUDIO FUNCTIONS.............................................I

APPENDIX B AUDIO PLAYER COMMANDS.................................................................................I

- ii -

APPENDIX C DRIVE VERSION DIFFERENCES............................................................................I

APPENDIX D PRODUCTS DEFAULT DATA...................................................................................I

D.1

D.2

Product data of Applied Model Number 3 (Inquiry Data) .............................................................I

CD-ROM ABILITY MECHANICAL STATUS PAGE DEFAULT DATA............................... III

APPENDIX E CD-ROM COMMAND LIST (BY CODE)..................................................................I

-iii-

LIST OF TABLES

TABLE 1-0

TABLE 1-2

TABLE 1-5

TABLE 2-0

MODELS OF DRM/DR-U SERIES SUPPORTING SCS-2 COMMAND SET .................................................... 2

DRIVE VERSIONS SUPPORTED BY THIS MANUAL .................................................................................... 2

SAMPLE COMMAND................................................................................................................................... 6

SCSI-2 COMMAND LIST (BY NAME)....................................................................................................... 8

TABLE 2-0A

CD-ROM MODE PAGE CODE LIST...................................................................................................... 10

TABLE 2-1

AUDIO SCAN (1) ..................................................................................................................................... 12

TABLE 2-1A

TABLE 2-1B

TABLE 2-1C

LOGICAL BLOCK ADDRESS FORMAT (TYPE = 00B)................................................................................ 12

AMIN, ASEC AND AFRAME ADDRESS FORMAT (TYPE = 01B) .......................................................... 14

TRACK NUMBER ADDRESS FORMAT (TYPE = 10B)................................................................................. 14

TABLE 2-2

TABLE 2-3

TABLE 2-4

AUDIO SCAN (2) ..................................................................................................................................... 16

CHANGE DEFINITION............................................................................................................................ 18

INQUIRY.................................................................................................................................................. 20

TABLE 2-4A

TABLE 2-4B

INQUIRY DATA FORMAT ..................................................................................................................... 20

DRIVE SPECIFIC STRINGS .................................................................................................................... 22

TABLE 2-5

MODE SELECT(6) (15H)........................................................................................................................... 24

TABLE 2-5A

TABLE 2-5B

TABLE 2-5C

MODE SELECT(6) HEADER AND PARAMETER LIST ................................................................................ 24

BLOCK DESCRIPTOR ........................................................................................................................... 26

PAGE DESCRIPTOR ............................................................................................................................. 26

TABLE 2-6

TABLE 2-7

MODE SELECT(10) (55H)....................................................................................................................... 28

MODE SENSE(6) (1AH) .......................................................................................................................... 30

TABLE 2-7A

TABLE 2-7B

TABLE 2-7C

TABLE 2-7D

MODE SENSE DATA HEADER............................................................................................................... 30

BLOCK DESCRIPTOR ........................................................................................................................... 30

MEDIA TYPE CODE ............................................................................................................................ 32

PAGE DESCRIPTOR FORMAT ................................................................................................................ 32

TABLE 2-8

TABLE 2-9

MODE SENSE(10) (5AH) ........................................................................................................................ 34

MODE SELECT/SENSE PARAMETERS................................................................................................. 36

TABLE 2-9A

TABLE 2-9B

MODE PAGE CODES FOR CD-ROM ..................................................................................................... 36

MODE PAGE FORMAT ......................................................................................................................... 36

TABLE 2-9-1 PAGE CODE 01H - ERROR RECOVERY PARAMETERS ............................................................................. 38

TABLE 2-9-1A VALID COMBINATIONS OF THE ERROR RECOVERY PARAMETERS ............................................................ 38

TABLE 2-9-1B ERROR RECOVERY DESCRIPTIONS........................................................................................................ 40

TABLE 2-9-1B ERROR RECOVERY DESCRIPTIONS (CONTINUED).................................................................................... 41

TABLE 2-9-1B ERROR RECOVERY DESCRIPTIONS (CONTINUED).................................................................................... 42

TABLE 2-9-2 PAGE CODE 07H - VERIFY ERROR RECOVERY PAGE FORMAT .............................................................. 44

TABLE 2-9-3 PAGE CODE 09H - PERIPHERAL DEVICE PAGE FORMAT ........................................................................ 46

TABLE 2-9-3A INTERFACE IDENTIFIER CODES ............................................................................................................ 46

TABLE 2.9.4 PAGE CODE 0BH - MEDIUM TYPES SUPPORTED PAGE FORMAT ........................................................... 48

TABLE 2-9-5 PAGE CODE 0DH - CD-ROM PARAMETERS PAGE FORMAT................................................................... 50

- iv -

TABLE 2-9-5A INACTIVITY TIMER MULTIPLIER VALUE............................................................................................... 50

TABLE 2-9-6 PAGE CODE 0EH - CD-ROM AUDIO CONTROL PARAMETERS STATUS FORMAT.................................. 52

TABLE 2-9-6A OUT PORT CHANNEL SELECT PARAMETERS.......................................................................................... 52

TABLE 2-9-7 PAGE CODE 2AH - CD-ROM CAPABILITIES AND MECHANICAL STATUS PAGE FORMAT.................... 54

TABLE 2-9-7A PARAMETER DESCRIPTION .................................................................................................................. 56

TABLE 2-9-7B EXAMPLE DATA RATES ...................................................................................................................... 57

TABLE 2-9-8 PAGE CODE 31H - DRIVE SPEED PAGE.................................................................................................... 60

TABLE 2-9-8A SPEED FIELD VALUES......................................................................................................................... 60

TABLE 2-9-9 PAGE CODE 3EH - LOGICAL UNIT ASSIGNMENT LIST ........................................................................... 62

TABLE 2-10 PAUSE/RESUME (4BH).......................................................................................................................... 64

TABLE 2-11 PLAY AUDIO(10) (45H).......................................................................................................................... 66

TABLE 2-12 PLAY AUDIO(12) (A5H)......................................................................................................................... 68

TABLE 2-13 PLAY AUDIO MSF (47H) ....................................................................................................................... 70

TABLE 2-14 PLAY AUDIO TRACK INDEX (48H) ..................................................................................................... 72

TABLE 2-15 PLAY AUDIO TRACK RELATIVE(10) (49H)........................................................................................ 74

TABLE 2-16 PLAY AUDIO TRACK RELATIVE(12) (A9H) ........................................................................................ 76

TABLE 2-17 PREVENT/ALLOW MEDIA REMOVAL (1EH) ...................................................................................... 78

TABLE 2-18 READ(6) (08H) ......................................................................................................................................... 80

TABLE 2-19 READ(10) ................................................................................................................................................. 82

TABLE 2-20 READ BUFFER (3CH).............................................................................................................................. 84

TABLE 2-20A

READ BUFFER HEADER....................................................................................................................... 84

TABLE 2-21 READ CD-ROM CAPACITY (25H).......................................................................................................... 86

TABLE 2-21A

READ CAPACITY DATA....................................................................................................................... 86

TABLE 2-22 READ CD (BEH) ...................................................................................................................................... 88

TABLE 2-22A

TABLE 2-22B

TABLE 2-22C

TABLE 2-22D

TABLE 2-22E

READ-CD, EXPECTED SECTOR TYPE FIELD DEFINITION ...................................................................... 88

READ CD, HEADER CODE FIELD DEFINITION ..................................................................................... 90

READ CD, ERROR FLAG FIELD DEFINITION........................................................................................ 90

READ CD, SUB CHANNEL DATA SELECTION FIELD DEFINITION............................................................ 92

NUMBER OF BYTES RETURNED BASED ON DATA SELECTION FIELD ........................................................ 92

TABLE 2-23 READ CD MSF (B9H) .............................................................................................................................. 94

TABLE 2-24 READ CDP (E4H)..................................................................................................................................... 96

TABLE 2-25 READ DRIVE STATUS (E0H) ................................................................................................................. 98

TABLE 2-25A

TABLE 2-25B

TABLE 2-25C

PAGE HEADER ................................................................................................................................... 98

DRIVE STATUS DATA FORMAT .......................................................................................................... 100

AUDIO PLAY STATUS FORMAT .......................................................................................................... 100

TABLE 2-26 READ HEADER (44H) ........................................................................................................................... 102

TABLE 2-26A

TABLE 2-26B

HEADER DATA FORMAT ................................................................................................................... 102

CD-ROM DATA MODE CODES......................................................................................................... 102

TABLE 2-27 READ SUB-CHANNEL (42H)................................................................................................................ 104

TABLE 2-27A

SUB CHANNEL DATA HEADER........................................................................................................... 104

-v-

TABLE 2-27B

TABLE 2-27C

TABLE 2-27D

TABLE 2-27E

TABLE 2-27F

TABLE 2-27G

TABLE 2-27H

SUB-CHANNEL Q MODE INFORMATION............................................................................................... 106

AUDIO STATUS ................................................................................................................................ 106

ADR SUB-CHANNEL Q FIELD........................................................................................................... 108

SUB-CHANNEL Q CONTROL FIELD .................................................................................................... 108

CD-ROM CURRENT POSITION DATA BLOCK ..................................................................................... 108

MEDIA CATALOG NUMBER DATA BLOCK............................................................................................ 110

TRACK INTERNATIONAL STANDARD RECORDING CODE(ISRC) DATA BLOCK ...................................... 110

TABLE 2-28 READ TOC (43H) ................................................................................................................................... 112

TABLE 2-28A

TABLE 2-28B

TABLE 2-28C

TABLE 2-28D

TABLE 2-28E

TABLE 2-28F

TOC DATA WITH FORMAT=00B....................................................................................................... 112

TRACK DESCRIPTORS........................................................................................................................ 112

TOC DATA WITH FORMAT=01B....................................................................................................... 114

TRACK DESCRIPTORS........................................................................................................................ 114

TOC DATA WITH FORMAT=10B (DRM-602X ONLY) ......................................................................... 114

TRACK DESCRIPTORS........................................................................................................................ 116

TABLE 2-29 RECEIVE DIAGNOSTIC RESULTS (1CH)............................................................................................ 118

TABLE 2-29A

DIAGNOSTIC RESULTS DATA FORMAT................................................................................................ 118

TABLE 2-30 RELEASE (17H) ..................................................................................................................................... 120

TABLE 2-31 REQUEST SENSE (03H) ........................................................................................................................ 122

TABLE 2-31A

TABLE 2-31B

TABLE 2-31C

EXTENDED SENSE DATA FORMAT ....................................................................................................... 122

SUPPORTED SENSE KEYS.................................................................................................................... 124

SUPPORTED ADDITIONAL SENSE CODES AND ADDITIONAL SENSE CODE QUALIFIERS................................. 125

TABLE 2-32 RESERVE (16H) ..................................................................................................................................... 128

TABLE 2-33 REZERO UNIT (01H) ............................................................................................................................. 130

TABLE 2-34 SEEK(6) (0BH)........................................................................................................................................ 132

TABLE 2-35 SEEK(10) (2BH)...................................................................................................................................... 134

TABLE 2-36 SEND DIAGNOSTIC (1DH) ................................................................................................................... 136

TABLE 2-36A

SEND DIAGNOSTIC DATA FORMAT..................................................................................................... 136

TABLE 2-37 SET CD-ROM SPEED(1) (DAH)............................................................................................................. 138

TABLE 2-38 SET CD-ROM SPEED(2) (BBH)............................................................................................................. 140

TABLE 2-38A

WRITE BUFFER HEADER ................................................................................................................... 152

TABLE 2-39 START/STOP UNIT (1BH)..................................................................................................................... 142

TABLE 2-40 STOP PLAY/SCAN (4EH) ...................................................................................................................... 144

TABLE 2-41 TEST UNIT READY (00H)..................................................................................................................... 146

TABLE 2-42 VERIFY(10) (2FH).................................................................................................................................. 148

TABLE 2-43 VERIFY(12) (AFH) ................................................................................................................................. 150

TABLE 2-44 WRITE BUFFER (3BH).......................................................................................................................... 152

TABLE 2-45 WRITE CDP (E3H) ................................................................................................................................. 154

TABLE 2-46 READ CD-DA (D8H).............................................................................................................................. 156

TABLE 2-47 READ CD-DA MSF (D9H)...................................................................................................................... 160

TABLE 2-48 READ CD-XA (DBH) ............................................................................................................................. 162

- vi -

TABLE 2-49 READ ALL SUBCODE (DFH)................................................................................................................ 164

TABLE D-1A DR-U124X INQUIRY DATA FORMAT..........................................................................................................I

TABLE D-1B DR-UA124X INQUIRY DATA FORMAT.......................................................................................................I

TABLE D-1C DRM-624X INQUIRY DATA FORMAT........................................................................................................II

TABLE D-2A PAGE CODE 2AH : CD-ROM CAPABILITIES AND MECHANICAL STATUS PAGE DEFAULT DATA......... III

TABLE E-1

CD-ROM COMMAND LIST BY CODE.........................................................................................................I

-vii-

REVISION HISTORY

Version

1.0

Date

Section/Page

Description

09.07.93

07.20.94

N/A

Initial release

2.0

Title

Addition of DRM-602X Vendor Unique

Commands

Sections 1.1 - 1.2

Section 1.4

Sections 2.46 - 2.49

3.0

02.08.95

Sections 1.1 - 1.2

Section 1.4

Addition of models DR-124X and DRM-624X

Addition of Appendix D

Section 2.1

Section 2.9.7

Sections 2.22 - 2.23

Section 2.37

Section 2.40

Sections 2.46 - 2.49

3.1

06.26.97

Sections 1.0 - 1.2

Section 1.4

Addition of models DR-A10X, DR-411, DR-

U10X, DR-433, DR-A12X, DR-444, DR-

U12X, DR-466, DR-A24X, DR-511, DR-

U24X, DR-533

Sections 2.46 - 2.49

- viii -

Preface

PREFACE

These specifications define the SCSI command set that defines the interface between a host computer and

such primary devices as CD-ROM drives and CD-R writers.

These are the control functions for the Pioneer DRM/DR-U series CD-ROM drives. For specific models,

refer to Section 1.1 below.

For details of the common standard of SCSI, refer to ANSI SCSI-2 working draft X3T9.2 revision 10K.

For details regarding the use of the compact disc as a SCSI CD-ROM device, refer to the proposal made

after the ANSI SCSI-2 working draft X3T9.2 revision 10K.

For Compact Disc, CD-ROM disc, and CD-R disc specifications, refer to the Red Book, Yellow Book and

Orange Book Part2.

For file system specifications, refer to ISO 9660.

For details about the use of SCSI Bus, refer to the installation manuals of the particular drives.

For more information on player control commands (mnemonic commands), refer to Appendix B of this

document and/or Pioneer Industrial LaserDisc Player (any model) User’s Manuals.

THESE SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE.

1.1

DRM/DR-U Series

The six-disc DRM series drives are SCSI-2¹CD-ROM minichangers using a single movable

optical assembly and a removable Pioneer-developed 6-disc CD magazine. Six discs may be

stored in individual trays in the magazine. Each tray swings out of the magazine into the drive

assembly. Only one disc may be read at a time. The minichanger appears on the SCSI bus as one

SCSI ID with six (6) logical units (0-5), one logical unit assigned per disc. The assignment of

logical units to discs may be changed at any time.

DRM-604X is the only minichanger that supports both the SCSI-1 and SCSI-2 command sets. Please refer to Pioneer’s DRM-600

Series SCSI Command Reference Manual for details on the SCSI-1 command set.

- 1 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 1-0 MODELS OF DRM/DR-U SERIES SUPPORTING SCS-2 COMMAND SET

Model Number

DRM-602X

DRM-604X

DRM-624X

DRM-1804X

DR-D504X

DR-U124X

DR-UA124X

DR-A10X

DR-U10X

DR-411

Voltage Requirements

100 v ~ 230 v

DRM-5004X 500-disc Autochanger built-in use

+5 v. +12 v

+5 v. +12 v ATA BUS mode1

+5 v. +12 v

+5 v. +12 v OEM version of DR-A10X

+5 v. +12 v OEM version of DR-U10X

+5 v. +12 v ATA BUS mode1

+5 v. +12 v

+5 v. +12 v OEM version of DR-A12X

+5 v. +12 v OEM version of DR-U12X

+5 v. +12 v ATA BUS mode1

+5 v. +12 v

+5 v. +12 v OEM version of DR-A24X

+5 v. +12 v OEM version of DR-U24X

DR-433

DR-A12X

DR-U12X

DR-444

DR-466

DR-A24X

DR-U24X

DR-511

DR-533

TABLE 1-2 DRIVE VERSIONS SUPPORTED BY THIS MANUAL

Model Number

DRM-602X

DRM-604X

DRM-624X

DRM-1804X

DR-D504X

DR-U124X

DR-UA124X

DR-A10X

DR-U10X

DR-411

Vendor

Pioneer

Product Data

Revision Number

2901 or greater

2403 or greater

0100 or greater

2405 or greater

0100 or greater

CD-ROM DRM-602X

CD-ROM DRM-604X

CD-ROM DRM-624X

CD-ROM DRM-1804X

CD-ROM DR-D504X

CD-ROM DR-U124X

CD-ROM DR-UA124X

CD-ROM DR-A10X

CD-ROM DR-U10X

CD-ROM DR-A10X

CD-ROM DR-U10X

CD-ROM DR-A12X

CD-ROM DR-U12X

CD-ROM DR-A12X

CD-ROM DR-A24X

CD-ROM DR-U24X

CD-ROM DR-A24X

CD-ROM DR-U24X

DR-433

DR-A12X

DR-U12X

DR-444

DR-466

DR-A24X

DR-U24X

DR-511

DR-533

- 2 -

Preface

The DRM-1804X is an 18-disc single drive SCSI-2 CD-ROM changer. It appears on the SCSI

bus as one SCSI ID with two (2) logical units. The single CD-ROM reader is logical unit 0 and

the changer is logical unit 1. For detail information, refer to Pioneer’s DRM-1804X CD-ROM

Jukebox Changer Mechanism Controller SCSI Specifications, document number OB-U0084-B.

The DRM series includes two jukebox changers - the DRM-1004X 100-disc CD-ROM changer

and the DRM-5004X 500-disc CD-ROM changer. For detail information, refer to Pioneer

publications DRM-1004X Series 100-Disc CD-ROM Changer Mechanism Controller

Specifications, document number DSE-S035C and DRM-5004X Series 500-Disc CD-ROM

Changer Mechanism Controller SCSI Specifications, document number OB-U0091-B,

respectively.

The DR-U series are SCSI-2 single disc CD-ROM drives. They appear on the SCSI bus as one

SCSI ID with logical unit 0.

The DR-D504X is a SCSI-2 single drive unit that is mounted into the DRM-5004X 500-disc

jukebox changer. It is assigned one SCSI ID and logical unit 0. Refer to Pioneer’s DRM-5004X

Series 500-Disc CD-ROM Changer Mechanism Controller SCSI Specifications, document

number OB-U0091-B, for further details.

Implementing Pioneer’s LaserDisc player technology, vendor unique SCSI commands support

the alphanumeric player command set allowing CD audio control through use of simple

mnemonic commands. Refer to Appendices A and B for further information.

Table 1.1 on the opposite page lists the models supporting the SCSI-2 command set.

1.2

Drives Supported by this Manual

Refer to Table 1-2 on the opposite page for drive versions that are supported by this manual. To

determine what version your drive is, issue an IQUIRY command, reference Section 2.4. The

drive’s response to the command will be to return the following information about the drive:

Model Number;

Vendor;

Product Data; and

Revision Number.

- 3 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

1.3

SCSI Protocol

The SCSI Protocol outlined in this section applies only to SCSI bus models. It does not support

ATA bus models.

1.3.1

Command Link/Control Field

The Control Field inside the Command Block is defined as:

Bit

Vendor Unique

Reserved

Flag

Link

The Command Link function is not supported by the DRM/DR-U Series. Set Flag and

Link bits to “0” (FALSE).

Set the RelAdr (Relative Address) bit, bit 0 of byte 1, inside the Command Block to

“0” (FALSE).

1.3.2

Disconnect/Reselect

Selection time-out period is 250 ms.

If the initiator does not respond to reselection within the time-out period, the drive will

release the bus for a minimum of 200 ms. The drive will then repeat the

arbitration/reselection sequence until the initiator responds, issues BUS DEVICE

RESET, or until the SCSI bus is reset. During a reselection retry, the drive will return

BUSY to selection requests from any initiator.

During execution of audio commands, if the disconnect/reselect function is selected,

the drive disconnects from the initiator before execution a SEEK or other operation

that requires head movement. When the selected address is located, the drive reselects

the initiator and begins audio playback. The time needed for the reselection procedure

is dependent upon the status of the SCSI bus. Audio playback may begin before the

reselection is complete. Refer to Appendix A for more information.

- 4 -

Preface

1.3.3

Status Phase

Four status conditions are supported. They are

GOOD

00h

02h

08h

18h

CHECK CONDITION

BUSY

RESERVATION CONFLICT

When the IMMED bit is set to “1” (TRUE) in a command block, the drive returns

GOOD when the command is first interpreted. As the command is being executed, the

drive returns BUSY to successive commands until operation of the first command is

complete and the drive is ready to receive a new command.

Refer to Section 2.31 REQUEST SENSE for details on deferred error reporting.

1.3.4

In-Phase/Out-Phase Messages

The DRM/DR-U Series supports only those In-Phase and Out-Phase Messages that are

listed below and on the following page. The drive will return a MESSAGE REJECT

for any messages received other than those listed.

Message Msg 05h + 09h will cause the drive to go to BUS FREE PHASE without a

retry.

Message In-Phase (issued by drive)

COMMAND COMPLETE

SAVE DATA POINTER

DISCONNECT

00h

02h

04h

MESSAGE REJECT

07h

IDENTIFY

80h - FFh

01h

SYNCHRONOUS DATA TRANSFER REQUEST²

²From EXTEND MESSAGE (01h)

- 5 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 1-5 SAMPLE COMMAND

Bit

Byte

Operation Code (XXh)

Logical Number

Reserved

Logical Block Address (MSB)

Logical Block Address

Logical Block Address (LSB)

Reserved

Allocation Length (MSB)

Allocation Length (LSB)

Reserved

Operation Code :

XXh

Logical Unit Number specifies which Logical Unit the command applies to.

Logical Block Address specifies which Logical Block Address (LBA) the operation is to start.

Allocation Length is (depending on the command) the number of Logical Blocks or the number

of bytes that the initiator is expecting to receive from the drive.

- 6 -

Preface

Message Out-Phase (issued by host computer)

INITIATED DEFECTED ERROR

ABORT

05h

06h

08h

09h

NO OPERATION

MESSAGE PARITY ERROR

BUS DEVICE DRIVER³

TERMINATE IO PROCESS

IDENTIFY

0Ch

11h

80h - FFh

01h

SYNCHRONOUS DATA TRANSFER REQUEST⁴

1.4

Address Format for Answering Occasion (MSF bit)

With some commands, it is possible to choose either Logical Block Address or MSF Format

with Address Field of answering data.

MSF bit

if “0” (FALSE), use Logical Block Address as CD-ROM Absolute Address or Track

Relative Address. If Track Relative Address, the MSF bit is indicated by 2s sequences.

if “1” (TRUE), MSF Format is used. Within the shift area, number declines by a positive

number.

1.5

Sample Command

The table on the opposite page outlines the command structure. Some commands apply to the

entire drive. For these commands only, the LUN will be ignored.

Commands with Logical Blocks, e.g. READ, VERIFY, have Allocation Length in Blocks. All

others have Allocation Length in bytes. Some commands use Transfer Length instead of

Allocation Length to specify the number of bytes that the initiator will transfer to the drive.

³For equipment supporting Change Definition Command, the DRM/DR-U Series drives have a Hardware Reset Option. In this case, the

Change Definition chosen by the SCSI action definition would not be changed or initialized by either the SCSI BUS RESET or BUS

DEVICE RESET message.

⁴From EXTEND MESSAGE (01h).

- 7 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

The drive terminates the DATA IN phase when the specified number of bytes have been

transferred or, in the case when the bytes exceed the number of bytes the drive wishes to transfer,

the DATA IN phase is terminated when the number of bytes prepared have been transferred.

- 8 -

Table 2-0 SCSI-2 COMMAND LIST (by Name)

Applied Model

Sense Data

III

Contents of Information Bytes

Command Name

Audio Scan (1)

Audio Scan (2)

Change Definition

Inquiry

Code

BAh

CDh

40h

12h

15h

55h

1Ah

5Ah

4Bh

45h

A5h

47h

48h

49h

A9h

1Eh

08h

28h

A8h

3Ch

BEh

D8h

B9h

D9h

DBh

DFh

25h

44h

42h

43h

1Ch

17h

03h

16h

01h

0Bh

2Bh

1Dh

BBh

DAh

1Bh

4Eh

00h

2Fh

AFh

3Bh

E4h

E0h

E3h

---

yes

---

yes

---

yes

---

Logical Block Address

yes

Mode Select(6)

Mode Select(10)

Mode Sense(6)

Mode Sense(10)

Pause/Resume

Play Audio (10)

Play Audio (12)

Play Audio MSF

Play Audio Track/Index

Play Track Relative (10)

Play Track Relative (12)

Prevent/Allow Medium Removal

Read (6)

Logical Block Address

Read (10)

Read (12)

Read Buffer

Read CD

Logical Block Address

Read CD-DD

---

yes

---

Read CD MSF

Read CD-DA MSF

Read CD-XA

Read All Subcode

Read CD-ROM Capacity

Read Header

Read Sub-Channel

Read TOC

Receive Diagnostic Results

Release

Request Sense

Reserve

Rezero Unit

Seek (6)

Seek (10)

Send Diagnostic

Set CD-ROM Speed (1)

Set CD-ROM Speed (2)

Start/Stop Unit

Stop Play/Scan

Test Unit Ready

Verify (10)

Verify (12)

Write Buffer

Read CDP

Read Drive Status

Write CDP

yes

---

yes

---

yes

---

yes

---

yes

---

yes

---

yes

Logical Block Address

Commands

COMMANDS

The table on the opposite page lists the commands in the SCSI-2 command set and their corresponding

code, applied model and sense data when applicable.

Applied Model

Applied Model has three values. Each model code corresponds to particular drive models.

I :

product models DRM-604X; DRM-1804X; and DR-D504X

product model DRM-602X

II :

III : product models DRM-624X; DR-U124X; DR-UA124X; DR-A10X; DR-U10X;

DR-A12X; DR-411; DR-U12X; DR-433; DR-A24X; DR-511; DR-U24X; and

DR-533

Each command is either supported by a drive, indicated by “yes”, not supported by a drive, “---“,

or is supported but with restrictions and/or conditions, “N” where N is a numeric value 1-7.

yes : is supported by all drives corresponding to this Applied Model code.

--- :

1 :

is not supported by any of the drives corresponding to this Applied Model code.

is not supported by DRM-1804X.

2 :

does not support the media type code 4h, 8h, 70h, 71h and 72h. There is limited

action in the CD-ROM Audio Controller Parameter Page (0Eh).

random access is possible with CD-DA data. Buffer Over Flow Error would not

occur. For SUB-CHANNEL READ OUT, support is only when the Beginning

Logical Block Address is FFFFFFFFh and Sub-Channel data. It is unable to

choose the Beginning Logical Block Address or to read out along with other

data.

3 :

4 :

5 :

6 :

7 :

is not supported by Format Field = 2 (all of Q Sub-Code information).

is not supported by DR-UA124X.

is unable to reassign disc of single type drive.

is not supported by DR-A10X, DR-U10X, DR-411, DR-433, DR-A12X, DR-

U12X, DR-444, DR-466, DR-A24X, DR-U24X, DR-511 and DR-533.

Upon execution of some commands, a Page Code is returned. The table on the next page lists the various

CD-ROM Mode Page Codes.

NOTE: The Applied Model values and the support codes listed above apply to the CD-ROM Mode Page

Code List on the next page. (The values are listed opposite the table for your convenience.)

- 9 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-0A

CD-ROM MODE PAGE CODE LIST

Applied Model

II III

Page Code Description

Section

00h

01h

07h

0Bh

0Dh

0Eh

2Ah

31h

3Eh

3Fh

Only Block Descriptor

yes yes yes

yes yes ---

yes yes yes

Read Error Recovery Page

Verify Error Recover page

Peripheral Device page

2.9.1

2.9.2

2.9.3

2.9.5

2.9.6

2.9.7

2.9.8

2.9.9

CD-ROM Parameters page

CD-ROM Audio Control page

CD-ROM Capabilities & Mechanical Status page

Drive Speed page

---

--- yes

yes yes yes

Logical Unit Assignment page

Return all pages⁵

yes yes yes

⁵Valid only for the MODE SENSE command.

- 10 -

Commands

Applied Model

Applied Model has three values. Each model code corresponds to particular drive models.

I :

product models DRM-604X; DRM-1804X; and DR-D504X

product model DRM-602X

II :

III : product models DRM-624X; DR-U124X; DR-UA124X; DR-A10X; DR-U10X;

DR-A12X; DR-411; DR-U12X; DR-433; DR-A24X; DR-511; DR-U24X; and

DR-533

Each command is either supported by a drive, indicated by “yes”, not supported by a drive, “---“,

or is supported but with restrictions and/or conditions, “N” where N is a numeric value 1-7.

yes : is supported by all drives corresponding to this Applied Model code.

--- :

1 :

is not supported by any of the drives corresponding to this Applied Model code.

is not supported by DRM-1804X.

2 :

does not support the media type code 4h, 8h, 70h, 71h and 72h. There is limited

action in the CD-ROM Audio Controller Parameter Page (0Eh).

random access is possible with CD-DA data. Buffer Over Flow Error would not

occur. For SUB-CHANNEL READ OUT, support is only when the Beginning

Logical Block Address is FFFFFFFFh and Sub-Channel data. It is unable to

choose the Beginning Logical Block Address or to read out along with other

data.

3 :

4 :

5 :

6 :

7 :

is not supported by Format Field = 2 (all of Q Sub-Code information).

is not supported by DR-UA124X.

is unable to reassign disc of single type drive.

is not supported by DR-A10X, DR-U10X, DR-411, DR-433, DR-A12X, DR-

U12X, DR-444, DR-466, DR-A24X, DR-U24X, DR-511 and DR-533.

- 11 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-1 AUDIO SCAN (1)

Bit

Byte

Operation Code (CDh)

Direct

Logical Unit Number

Reserved

Scan Start Address (MSB)

Scan Start Address

Scan Start Address (LSB)

Reserved

Type

Reserved

TABLE 2-1A

LOGICAL BLOCK ADDRESS FORMAT (TYPE = 00B)

Bit

Byte

Logical Block Address (MSB)

Logical Block Address

Logical Block Address (LSB)

- 12 -

Audio Scan (1)

2.1

Audio Scan (1) (CDh)

When AUDIO SCAN (1) is executed, the drive begins a high-speed scan from the Scan Start

Address. The drive plays a block as it crosses each track. Each scan is approximately 15 seconds.

When the specified search address is found, GOOD status is returned.

If the drive is not ready or if the Scan Start Address is not on an audio track, Check Condition

status is returned.

During an audio scan, the drive can receive and execute the following SCSI commands without

scan termination:

AUDIO PLAY (StpAdr=1), AUDIO STATUS, AUDIO STOP

INQUIRY

MODE SELECT, MODE SENSE

READ BUFFER, WRITE BUFFER

READ CD-ROM CAPACITY, READ SUB CHANNEL, READ TOC

RECEIVE DIAGNOSTIC RESULTS, REQUEST SENSE, TEST UNIT READY

RELEASE, RESERVE

There are several commands that when received by the drive during an audio scan, the drive will

terminate the scan and execute the received command. The commands are:

PLAY AUDIO (StpAdr=0), AUDIO SCAN, PLAY AUDIO TRACK

PAUSE/RESUME

READ, SEEK, VERIFY

READ HEADER

START/STOP UNIT, REZERO UNIT

SEND DIAGNSTICS

PREVENT/ALLOW MEDIA REMOVAL

Operation Code is (CDh).

Direct

is “0” (FALSE) when the drive scans forward.

is “1” (TRUE) when the drive scans backwards.

Scan Start Address contains the address at which the audio scan is to begin.

- 13 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-1B

AMIN, ASEC AND AFRAME ADDRESS FORMAT (TYPE = 01B)

Bit

Byte

Reserved

CD absolute time (AMIN)

CD absolute time (ASEC)

CD absolute time (AFRAME)

AMIN, ASEC and AFRAME show the absolute time for the beginning of the disc in BCD. The

values must be in the ranges 0~99 (AMIN), 0~59 (ASEC) and 0~74 (AFRAME).

TABLE 2-1C

TRACK NUMBER ADDRESS FORMAT (TYPE = 10B)

Bit

Byte

Reserved

Track number (TNO) (01-99)

- 14 -

Audio Scan (1)

Type defines the format of the Scan Start address field. Type has four parameters.

The four (4) parameters are

00b : Logical Block Address format

01b : AMIN, ASEC and AFRAME format

10b : Track Number Address format

11b : Reserved

(reference Table 2-1A)

(reference Table 2-1B)

(reference Table 2-1C)

- 15 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-2 AUDIO SCAN (2)

Bit

Byte

Operation Code (BAh)

Direct

Reserved

Scan Starting Address (MSB)

Scan Starting Address

Scan Starting Address (LSB)

Reserved

Type

Reserved

- 16 -

Audio Scan (2)

2.2

Audio Scan (2) (BAh)

Operation Code is (BAh).

Direct

If “0” (FALSE), the drive scans forward.

If “1” (TRUE), the drive scans backwards.

Scan Start Address is the address at which the audio scan begins operation.

Type defines the format of the Scan Start address field. Type has four parameters.

The four (4) parameters are

00b : Logical Block Address format

01b : AMIN, ASEC and AFRAME format

10b : Track Number Address format

11b : Reserved

(reference Table 2-1A)

(reference Table 2-1B)

(reference Table 2-1C)

- 17 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-3 CHANGE DEFINITION

Bit

Byte

Operation Code (40h)

Logical Unit Number

Reserved

SCB=0

Reserved

Definition Parameter

Reserved

Parameter Data Length (0)

Reserved

- 18 -

Change Definition

2.3

Change Definition (40h)

When executed, the CHANGE DEFINITION command modifies the operating definition of the

drive regardless of the specified logical unit number.

A SCSI reset or BUS DEVICE RESET will not affect the definition changed by the CHANGE

DEFINITION command.

Cycling the power to the drive OFF and ON will cause the operating definition to revert to the

default setting.

If the CHANGE DEFINITION command did not execute successfully, the operating definition

will remain in the same status it was prior to the attempted execution of the CHANGE

DEFINITION command.

Operation Code is (40h).

Save Control Bit (SCB)

Must be set to “0” (FALSE).

The drive will not save the operating definition. A power reset will set the drive to its initial

operating definition.

Definition Parameter specifies the operating definition. The Definition Parameter field supports

the following field values:

00h

Use current operating definition

SCSI-1 operating definition

SCSI-2 operating definition

Reserved

01h

02h

03h

04h~7Fh

DRIVE NOTES:

This command is used by the DRM-604X.

Drives that are SCSI-2 only and will reject the CHANGE DEFINITION command are:

DRM-602X, DRM-624X, DRM-1804X and the DR-U Series drives

- 19 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-4 INQUIRY

Bit

Byte

Operation Code (12h)

Reserved

Logical Unit Number

EVPD (0)

Reserved

Allocation Length : 47 (2Fh)

Reserved

TABLE 2-4A

INQUIRY DATA FORMAT

Bit

Byte

Peripheral Qualifier

Peripheral Device Type (05h)

Reserve

RMB

ANSI Version (2)

Response Format (2)

TIOP

Reserve

Additional Length : 42 (2Ah)

Reserve

SYNC

Reserve

8~15

16~31

32~35

Vendor Name (8-byte ASCII code) (PIONEER)

Product Inquiry Data (16-byte ASCII code)

Revision Number (ASCII code) (“XXXX”)

Release Version (20h)

37~46

Revision Date (10-byte ASCII code) (“YYYY/MM/DD”)

- 20 -

Inquiry

2.4

Inquiry (12h)

The INQUIRY command supports standard 47 Bytes Inquiry data. If byte length in Allocation

Length is less than 47 bytes, the requested length is transferred. If byte length is 47 bytes or

more, only 47 bytes will be transferred.

The INQUIRY command returns Check Condition if data transfer to the Initiator was not

properly received.

Whenever a Check Condition is returned against any command, inquiry data is returned

providing the initiator with system information.

Operation Code is (12h).

Enable Vital Product Data (EVPD)

Must be set to “0” (ZERO) for the drive to return the standard Inquiry data.

If the Page Code field is not set to “0” (ZERO), the drive will return Check Condition

Status (Sense Key: Illegal Request) and sense code INVALID FIELD IN CDB.

Table 2-4A on the opposite page illustrates the standard Inquiry data format.

RMB

If “1” (TRUE), the media is removable.

TIOP

If “1” (TRUE), the drive will support the Terminate I/O Process message.

SYNC

If “1” (TRUE), the drive supports synchronous data transfers.

Table 2-4B on the next page outlines the drive specific values for bytes 16~31, Product Inquiry

Data; and bytes 32~35, Revision Number.

- 21 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-4B

DRIVE SPECIFIC STRINGS

Bytes

Drives

DRM-602X

DRM-604X

DRM-624X

DRM-1804X

DR-D504X

DR-A10X

DR-U10X

DR-411

16 ~ 31 (Product Data)

32 ~ 35 (Revision Number)

CD-ROM DRM-602X

CD-ROM DRM-604X

CD-ROM DRM-624X

CD-ROM DRM-1804X

CD-ROM DR-D504X

CD-ROM DR-A10X

CD-ROM DR-U10X

CD-ROM DR-A10X

CD-ROM DR-U10X

CD-ROM DR-A12X

CD-ROM DR-U12X

CD-ROM DR-A12X

CD-ROM DR-U12X

CD-ROM DR-A24X

CD-ROM DR-U24X

CD-ROM DR-A24X

CD-ROM DR-U24X

29XX⁶

24XX

01XX

24XX

01XX

DR-433

DR-A12X

DR-U12X

DR-444

DR-466

DR-A24X

DR-U24X

DR-511

DR-533

⁶Where X denotes a whole number, 0-9.

- 22 -

Inquiry

(this page has been left intentionally blank)

- 23 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-5 MODE SELECT(6) (15H)

Bit

Byte

Operation Code (15h)

Logical Unit Number

Reserved

Parameter List Length

Reserved

TABLE 2-5A

MODE SELECT(6) HEADER AND PARAMETER LIST

Bit

Byte

Reserved

Block

Header

Media Type (0)

Reserved

Block

Header

Block Descriptor Length (0 or 8)

Block Descriptor / Page Descriptor(s)

Block Descriptor

and/or

Block Descriptor

and/or

Page Code

Block Length (LSB) / Ending Element Address (LSB)

- 24 -

Mode Select(6)

2.5

Mode Select(6) (15h)

The MODE SELECT(6) command provides a range for the initiator specifying specific operating

parameters, e.g., medium, logical unit and peripheral device parameters.

IMPORTANT: Initiators should issue the MODE SENSE command (reference Section 2.7)

prior to each execution of the MODE SELECT command to determine supported pages, page

lengths and other parameters.

Operating Code is (15h).

PF (Page Format)

Must be set to “1” (TRUE). The drive does not check the value of the Page Format bit.

SP (Save Parameters)

Must be set to “0” (FALSE). Parameter saving is not supported.

Parameter List Length

If “0” (ZERO), no data will be transferred.

The Parameter List Length is the number of bytes of the Mode Select Parameter List that is

to be transferred in the Data Out phase. A parameter list length that results in the truncation

of any descriptor, header or page parameters will cause the target to terminate the

command. In this case Check Condition Status (Sense Key : Illegal Request) is returned

and Sense Code is set to Parameter List Length Error.

Using the MODE SELECT command, the initiator can assign or alter parameters for the logical

units. The Parameter List includes a 4-byte header, followed by 0-1 block descriptors and 0-N,

where N is a whole number, page descriptions. Refer to Table 2-5A on the opposite page. The

drive keeps parameters, the block descriptor and parts of page descriptors for each logical unit in

its controller memory. When the drive is reset, the default parameter values are restored.

Refer to Table 2-5B on the next page for details on the Block Descriptor format.

Refer to Table 2-5C on the next page for details on the Page Descriptor format.

After the MODE SELECT command is received, the drive returns Check Condition Status

(Sense Key : Unit Attention) and sets sense key to Mode Select Parameter Changed for the first

command received (except for INQUIRY or REQUEST SENSE) from any other initiator. The

Sense Key Unit Attention is returned even if the parameters have not actually changed with the

MODE SELECT command.

- 25 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-5B

BLOCK DESCRIPTOR

Bit

Byte

Density Code

Number of Blocks (MSB)

Number of Blocks

Number of Blocks (LSB)

Reserved

Block Length (MSB)

Block Length

Block Length (LSB)

TABLE 2-5C

PAGE DESCRIPTOR

Bit

Byte

Page Code

Page Length

Reserve Reserve

Mode Parameter Page Definition

- 26 -

Mode Select(6)

BLOCK DESCRIPTOR

Media Type

Set to “0” (ZERO).

Block Descriptor Length

If “0” (ZERO), there is no block description included in the parameter list.

Set to “0” or “8”.

Density Code specifies data type to be transferred. Five (5) parameters are supported. They are

01h

User data only (2048 bytes/physical sector) [default]

User data plus auxiliary data (2336 bytes/physical sector)

Header, user data plus auxiliary data (2340 bytes/physical sector)

Audio data only (1/75th of a second per logical block)

Reserved

02h

03h

04h

05h~FFh

Number of Blocks

Set to “0” (ZERO).

Logical Block Length specifies logical block size in number of bytes. In the current version,

256, 512, 1024, 2048(default), 2052, 2056, 2336, 2340 and 2352 byte are supported. An external

switch on the back of the DRM-602X, DRM-604X and DRM-1804X drives allows the power-on

default value to be switched to either 512 or 2048.

PAGE DESCRIPTOR

Page Code indicates the meaning of the data contained in the page.

Page Length is the number of bytes supported for each page. It does not include the page length

byte.

The drive will return Check Condition if ECC is enabled and the initiator accesses a Mode 1 or

Mode 2 form1 data block and has specified 2336-, 2340-, or 2352 byte length.

When the initiator accesses a Mode 2 form2 data block and has specified 2336-, 2340- or 2352-

byte lengths, the ECC must be disabled. The drive will return Check Condition.

The first two bytes of the page descriptor comprise the header which consists of the Page Code

and Page Length. Following the header are the page definitions.

- 27 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-6 MODE SELECT(10) (55H)

Bit

Byte

Operation Code (55h)

Logical Unit Number

Reserved

Parameter List Length (MSB)

Parameter List Length (LSB)

Reserved

- 28 -

Mode Select(10)

2.6

Mode Select(10) (55h)

The MODE SELECT(10) command provides a range for the initiator specifying specific

operating parameters. Refer to MODE SELECT(6) Command, Section 2.5 for details of the

command fields.

IMPORTANT: Initiators should issue the MODE SENSE command (reference Sections 2.7

and 2.8) prior to each execution of the MODE SELECT command to determine supported pages,

page lengths and other parameters.

- 29 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-7 MODE SENSE(6) (1AH)

Bit

Byte

Operation Code (1Ah)

Logical Unit Number

PCF

Reserved

DVD

Page Code

Reserved

Allocation Length

Reserved

TABLE 2-7A

MODE SENSE DATA HEADER

Bit

Byte

Reserved

Media Type

Reserved

Block Descriptor Length (0 or 8)

TABLE 2-7B

BLOCK DESCRIPTOR

Bit

Byte

Density Code

Number of Blocks (MSB)

Number of Blocks

Number of Blocks (LSB)

Reserved

Block Length (MSB)

Block Length

Block Length (LSB)

- 30 -

Mode Sense(6)

2.7

Mode Sense(6) (1Ah)

Operation Code is (1Ah)

DBD (Disable Block Descriptor)

If “0” (ZERO), the block descriptors are returned in the MODE SENSE data.

If “1” (TRUE), no block descriptors are returned.

PCF (Page Control Field) specifies the Page Parameter Type to be returned.

Page Code specifies the Page(s) to be returned.

The MODE SENSE command requests the drive to report parameters for each logical unit. An

Allocation Length of “0” means that no data is returned. If other than “0”, the drive terminates

the DATA IN phase when Allocation Length bytes or all the Sense data have been transferred.

The following PCF codes are supported:

00b

01b

Current value:

The drive returns the values specified by the latest MODE

SELECT command. If no MODE SELECT command has

been issued, the default values are returned.

Alterable value: The drive returns the alterable parameters set to one in the

requested page. Even if all parameter values are unalterable,

the requested page(s) is returned.

10b

11b

Default value:

The default values of the drive are returned. The fields and

bits that are not supported are set to 0.

Reserved

Mode Sense Data Format

The Mode Sense Data consists of a 4-byte header; an 8-byte block descriptor; and no, one,

or more page descriptor(s).

Sense Data Length

Shows the length in bytes of the following Sense data. This length does not include itself

(byte 0).

Media Type

The default value is 0.

Block Descriptor Length

The value 8 is always returned.

- 31 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-7C

MEDIA TYPE CODE

Media Type Code

Type of Media

00h

01h

Default

120mm CD-ROM Data

120mm CD-DA Audio

120mm CD-ROM Data/Audio

Reserved

02h

03h

04h

05h

80mm CD-ROM Data

80mm CD-ROM Audio

80mm CD-ROM Data/Audio

Reserved

06h

07h

08h ~ FFh

TABLE 2-7D

PAGE DESCRIPTOR FORMAT

Bit

Byte

Reserve Reserve

Page Code

Page Length

Page Definition

- 32 -

Mode Sense(6)

Number of blocks

The value 0 means that the length of all blocks is same as the Logical Block Length shown

in the block descriptor.

Logical Block Length

Indicates the logical block size in bytes. In the current version, 256, 512, 1024,

2048(default), 2052, 2336, 2340 and 2352 byte are supported. The default values for the

CD-ROM drives (512 or 2048) are selectable with an external switch.

Density Code

01h

User data only (2048 bytes/physical sector)(default)

User data plus auxiliary data (2336 bytes/physical sector)

Header, user data plus auxiliary data (2340 bytes/physical sector)

Audio data only (1/75th of a second per logical block)

Reserved

02h

03h

04h

05h~FFh

The drive will return Allocation Length bytes or the complete sense data.

Each page descriptor starts with a 2-byte header consisting of the page code and page length, and

the specified page data follow the header.

Page code indicates the meaning of the data contained in the page.

Page length does not include the page length byte itself. The page length indicates the number of

bytes supported for each page.

- 33 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-8 MODE SENSE(10) (5AH)

Bit

Byte

Operation Code (5Ah)

Reserved DVD

Page Code

Logical Unit Number

PCF

Reserved

Allocation Length (MSB)

Allocation Length (LSB)

Reserved

- 34 -

Mode Sense(10)

2.8

Mode Sense(10) (5Ah)

Operation Code is (5Ah)

The MODE SENSE(10) command provides a means for a target to report parameters to the

initiator. It is the complementary command to the MODE SELECT(10) command. See MODE

SENSE(6) command (reference Section 2.7) for a complete description of the fields in this

command.

- 35 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-9 MODE SELECT/SENSE PARAMETERS

Bit

Byte

0 ~ N

Mode Parameter Header

Page(s)

TABLE 2-9A

MODE PAGE CODES FOR CD-ROM

Page Code

00h

Description

Only Block Descriptor

Read Error Recover Page

Verify Error Recovery Page

Peripheral Device Page

CD-ROM Parameters Page

CD-ROM Audio Control Page

01h

07h

0Bh

0Dh

0Eh

2Ah

31h

CD-ROM Capabilities & Mechanical Status Page

Drive Speed Page

3Eh

Logical Unit Assignment Page

3Fh

Return all pages (valid only for the MODE SENSE command)

TABLE 2-9B

MODE PAGE FORMAT

Bit

Byte

PS/Resr Reserve

Page Code

Page Length (N-1)

Mode Parameters

- 36 -

Mode Select/Sense Parameters

2.9

Mode Select/Sense Parameters

This section describes the pages used with MODE SELECT and MODE SENSE commands.

The Mode Parameter List contains a header, followed by zero or more variable -length pages.

Each mode page contains a page code, a page length , and a set of mode parameters.

- 37 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-9-1

PAGE CODE 01H - ERROR RECOVERY PARAMETERS

Bit

Byte

Reserve Reserve

Page Code (01h)

Page Length (06h)

RC EEC

Reserve Reserve

PER

DTE

CDR

Retry Number

Reserve

TABLE 2-9-1A VALID COMBINATIONS OF THE ERROR RECOVERY PARAMETERS

Code

00h

01h

04h

05h

06h

07h

10h

11h

14h

15h

20h

21h

24h

25h

26h

27h

Reserve

EEC

PER

DTE

DCR

- 38 -

Error Recovery Parameters

2.9.1

Error Recovery Parameters

NOTE: When the bit definition of this error recovery parameter and the error recovery

procedure (described later) are not in agreement, the error recovery procedure takes

priority.

DCR (Disable Correction)

If “1”, data is transferred without Layered ECC (L-ECC) error correction.

If “0”, L-ECC error correction is performed. The default value is 0.

DTE (Disable Transfer on Error)

If “0”, transfer of recovered data is allowed. The default value is 0.

When both the DTE and PER bit are 1, the target stops the data transfer

immediately if the error is detected, and then returns Check Condition status.

NOTE: The TB bit controls whether data from the bad block is transferred.

PER (Post Error)

If “1”, the drive returns a Check Condition status for a recovered error.

If “0”, no Check Condition status is returned for the recovered error.

The default value is 0.

EEC (Enable Early Correction)

This bit must be 0: The defined retry procedure is performed prior to the error

correction.

RC (Read Continuous)

Set to 0. A delay in the data transfer may occur due to an error recovery action.

TB (Transfer Block)

If “1”, uncorrected data blocks will be transferred to the initiator.

If “0”, uncorrected data blocks are not transferred. The default value is 0.

NOTE: in either case, the block address returned to the REQUEST SENSE command

is not of the preceding good block but of the error block.

Retry Number specifies how many times the drive re-tries a physical read operation

when it finds an uncorrectable block. The default value is 4.

- 39 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-9-1B ERROR RECOVERY DESCRIPTIONS

Value

Description

The maximum error recovery procedures available are used. If an error occurs which

is uncorrectable with the error correction codes (ECC) on the media, data transfer is

terminated with Check Condition status. The block with the error is not transferred.

The sense key is set to Medium Error. The information bytes give the address of the

block where the unrecovered error was detected. Recovered errors are not reported.

00h

Only retries of the read operation and CIRC are used (layered error correction is not

used). Only CIRC unrecovered data errors are reported. If a CIRC unrecovered data

error occurs, data transfer is terminated with Check Condition status. The block with

the error is not transferred. The sense key is set to Medium Error. The information

bytes give the address of the block where the unrecovered error was detected.

Recovered errors are not reported.

01h

04h

The maximum error recovery procedures available are used. Recovered data errors

are reported. If a recovered data error occurs, data transfer is not terminated.

However, when the data transfer has completed Check Condition status is reported.

The sense key is set to Recovered Error. The information bytes give the address of

the last block where a recovered data error was detected. If a data error occurs which

is uncorrectable with the ECC information available on the media, data transfer is

terminated and Check Condition status is reported. The block with the error is not

transferred. The sense key is set to Medium Error. The information bytes give the

address of the block where the uncorrectable error was detected.

Only retries of the read operation and CIRC are used (layer error correction is not

used). Recovered data errors are reported. If a recovered data error occurs, data

transfer is not terminated. However, when the data transfer has completed Check

Condition status is reported. The sense key is set to Recovered Error. The information

bytes five the address of the last block where a CIRC recovered data error was

detected. If an unrecovered data error occurs data transfer is terminated and Check

Condition status is reported. The block with the error is not transferred. The sense key

is set to Medium Error. the information bytes give the address of the block where the

unrecovered error was detected.

05h

06h

07h

The maximum error recovery procedures are sued. Recovered data errors are

reported. If a recovered data error occurs data transfer is terminated and Check

Condition status is reported. The block with the recovered error is not transferred.

The sense key is set to Recovered Error. the information bytes give the address of the

block where the recovered data was detected. if a data error occurs which is

uncorrectable with the ECC information on the medium, data transfer is terminated

with Check Condition status. The block with the error is not transferred. The sense

key is set to Medium Error. The information bytes give the address of the block

where the uncorrectable error was detected.

Only retries of the read operation are used (layer error correction is not used). CIRC

recovered data errors are reported. If a CIRC recovered data error occurs, data

transfer is terminated with Check Condition status. The block with the recovered

error is not transferred. The sense key is set to Recovered Error. The information

bytes five the address of the block where the recovered data error was detected. If a

CIRC unrecovered data error occurs, data transfer is terminated with Check

Condition status. The block with the error is not transferred. The sense key is set to

Medium Error. The information bytes give the address of the block where the

unrecovered error was detected.

continued on next page

- 40 -

Error Recovery Parameters

TABLE 2-9-1B ERROR RECOVERY DESCRIPTIONS (CONTINUED)

Value

Description

If data transfer can be maintained, the maximum error recovery procedures available

are used. (RC=1) If an error occurs which is uncorrectable with the error correction

codes (ECC) on the media, or is uncorrectable in time to maintain data transfer, the

data transfer is not terminated. However, when the data transfer has completed Check

Condition status is reported. The sense key is set to Medium Error. the information

bytes give the address of the block where the first unrecovered error was detected.

Recovered errors are not reported.

10h

If data transfer can be maintained, retries of the read operation and CIRC are used

(layered error correction is not used). (RC=1) Only CIRC unrecovered data errors are

reported. If a CIRC unrecovered data error occurs, data transfer is not terminated.

However, when the data transfer has completed Check Condition status is reported.

The sense key is set to Medium Error. The information bytes give the address of the

block where the first unrecovered error was detected. Recovered errors are not

reported.

11h

14h

If data transfer can be maintained, the maximum error recovery procedures available

are used. (RC = 1.) Recovered data errors are reported. If a recovered data error

occurs, data transfer is not terminated. However, when the data transfer has

completed Check Condition status is reported. The sense key is set to Recovered

Error. The information bytes give the address of the block where a recovered data

error was detected. If an data error occurs which is uncorrectable with the ECC

information available on the media, or is uncorrectable in time to maintain data

transfer, the data transfer is not terminated. However, when the data transfer has

completed Check Condition status is reported. The sense key is set to Medium Error.

The information bytes give the address of the block where the first uncorrectable

error was detected. Reporting unrecovered errors takes precedence over reporting

recovered errors.

If data transfer can be maintained, retries of the read operation and CIRC are used

(layered error corrections not used). (RC = 1.) Recovered data errors are reported. If

a recovered data error occurs, data transfer is not terminated. However, when the data

transfer has completed Check Condition status is reported. The sense key is set to

Recovered Error. The information bytes give the address of the block where a CIRC

recovered data error was detected. If an unrecovered data error occurs, data transfer is

not terminated. However, when the data transfer has completed Check Condition

status is reported. The sense key is set to Medium Error. The information bytes give

the address of the block where the first unrecovered error was detected. Reporting

unrecovered errors takes precedence over reporting recovered errors.

15h

The maximum error recovery procedures available are used. If an error occurs which

is uncorrectable with the error correction codes (ECC) on the media, data transfer is

terminated with Check Condition status. The lock with the error is transferred. The

sense key is set to Medium Error. The information bytes give the address of the block

where the unrecovered error was detected. Recovered errors are not reported.

20h

continued on next page

- 41 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-9-1B ERROR RECOVERY DESCRIPTIONS (CONTINUED)

Value

Description

Only retries of the read operation and CIRC are used (layered error correction is not

used). Only CIRC unrecovered data errors are reported. If an CIRC unrecovered data

error occurs data transfer is terminated with Check Condition status. The block with

the error is transferred. The sense key is set to Medium Error. The information bytes

give the address of the block where the unrecovered error was detected. Recovered

errors are not reported.

21h

The maximum error recovery procedures available are used. Recovered data errors

are reported. If a recovered data error occurs data transfer is not terminated.

However, when the data transfer has completed Check Condition status is reported.

The sense key is set to Recovered Error. The information bytes give the address of

the last block where a recovered data error was detected. If a data error occurs which

is uncorrectable with the ECC information available on the media data transfer is

terminated and Check Condition status is reported. The block with the error is

transferred. The sense key is set to Medium Error. The information bytes give the

address of the block where the uncorrectable error was detected.

24h

25h

26h

27h

Only retries of the read operation and CIRC are used (layered error correction is not

used). Recovered data errors are reported. If a recovered data error occurs, data

transfer is not terminated. However, when the data transfer has completed Check

Condition status is reported. The sense key is set to Recovered Error. The information

bytes give the address of the last block where an CIRC recovered data error was

detected. If an unrecovered data error occurs, data transfer is terminated and Check

Condition status is reported. The block with the error is transferred. The sense key is

set to Medium Error. The information bytes give the address of the block where the

unrecovered error was detected.

The maximum error recovery procedures are used. Recovered data errors are

reported. If a recovered data error occurs, data transfer is terminated and Check

Condition status is reported. The block with the recovered error is transferred. The

sense key is set to Recovered Error. The information bytes give the address of the

block where the recovered data error was detected. If a data error occurs which is

uncorrectable with the ECC information on the media, data transfer is terminated

with Check Condition status. The block with the error is transferred. The sense key is

set to Medium Error. The information bytes give the address of the block where the

uncorrectable error was detected.

Only retries of the read operation are used (layer error correction is not used). CIRC

recovered data errors are reported. If a CIRC recovered data error occurs, data

transfer is terminated with Check Condition status. The block with the recovered

error is transferred. The sense key is set to Recovered Error. The information bytes

give the address of the block where the recovered data error was detected. If an CIRC

unrecovered data error occurs, data transfer is terminated with Check Condition

status. The block with the error is transferred. The sense key is set to Medium Error.

The information bytes give the address of the block where the unrecovered error was

detected.

- 42 -

Error Recovery Parameters

The CD-ROM errors are:

1) Recovered CIRC (Cross Interleaved Reed-Solomon Code) Error:

An error in a block had been detected by the EDC (Error Detection Code)

but the error was recovered by read retry. Number of read retries to perform

is specified with the Read Retry Number (the third byte of the Error

Recovery Parameter page in the Mode Select command.). In this case, L-

ECC (Layered Error Correction Code) is not used.

2) Uncorrectable CIRC Error:

L-ECC was not used, error could not be corrected by the CIRC after the

specified number of read retries were attempted.

3) Recovered L-ECC Error:

Uncorrectable CIRC Error was found, but the error was corrected by the L-

ECC during read retries.

4) Uncorrectable L-ECC Error:

Error could not be corrected by the L-ECC after the specified number of read

retries were attempted.

- 43 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-9-2

PAGE CODE 07H - VERIFY ERROR RECOVERY PAGE FORMAT

Bit

Byte

Reserve

Page Code (07h)

Page Length (06h)

Error Recovery Parameter

Verify Retry Count

Reserved

- 44 -

Verify Error Recovery Page

2.9.2

Verify Error Recovery Page

PS (Parameters Savable)

The Parameters Savable bit is only used with the MODE SENSE command. This

bit is reserved with the MODE SELECT command. A PS bit of one indicates that

the target is capable of saving the page in a non-volatile vendor specific location.

Error Recovery Parameter

The error recovery parameters for verify operations are as defined by the read error

recovery parameters.

The verify error recovery parameters page specifies the error recovery parameter the

target shall use during verify operations.

- 45 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-9-3

PAGE CODE 09H - PERIPHERAL DEVICE PAGE FORMAT

Bit

Byte

Reserved

Page Code (09h)

Page Length (06h)

Interface Identifier (MSB)

Interface Identifier (LSB)

Reserved

TABLE 2-9-3A INTERFACE IDENTIFIER CODES

Value

0000h

Interface

Small Computer System Interface

0001h

Storage Module Interface

0002h

Enhanced Small Device Interface

0003h

IPI-2

0004h

IPI-4

0005h ~ FFFFh

Reserved

- 46 -

Peripheral Device Page

2.9.3

Peripheral Device Page

Interface Identifier Codes are in Table 2-9-3A on the opposite page.

The peripheral device page is used to pass vendor-specific information between an

initiator and a peripheral interface below the target.

- 47 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2.9.4

PAGE CODE 0BH - MEDIUM TYPES SUPPORTED PAGE FORMAT

Bit

Byte

Reserve

Page Code (0Bh)

Page Length (06h)

Reserved

Medium Type One Supported

Medium Type Two Supported

Medium Type Three Supported

Medium Type Four Supported

- 48 -

Medium Types Supported Page

2.9.4

Medium Types Supported Page

PS (Parameters Savable)

The Parameters Savable bit is only used with the MODE SENSE command. This bit

is reserved with the MODE SELECT command. A PS bit of one indicates that the

target is capable of saving the page in a non-volatile vendor specific location.

The code values for each medium type supported by the target (up to four maximum),

as defined in the MODE SELECT command are reported in ascending order. If only

the default medium type is supported zero is reported. If less than four medium types

are supported the unused entries shall be returned as zero.

- 49 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-9-5

PAGE CODE 0DH - CD-ROM PARAMETERS PAGE FORMAT

Bit

Byte

Reserve Reserve

Page Code (0Dh)

Parameter Length (06h)

Reserved

Inactivity Timer Multiplier

Number of MSF-S Units per MSF-M Unit (3Ch)

Number of MSF-F Units per MSF-S Unit (4Bh)

TABLE 2-9-5A INACTIVITY TIMER MULTIPLIER VALUE

Inactivity Timer

Time in Hold Track Inactivity Multiplier Time in Hold Track

Multiplier

State

Reserved

125 ms

250 ms

500 ms

1 sec

State

16 sec

32 sec

1 min

2 min

4 min

8 min

16 min

32 min

2 sec

4 sec

8 sec

- 50 -

CD-ROM Parameters Page

2.9.5

CD-ROM Parameters Page

Inactivity Timer Multiplier

The inactivity timer multiplier specifies the length of time that the drive will remain

in the hold track state after completion of a SEEK or READ operation. The default

value is 0Dh. (i.e. 8 minutes). Table 2-6-14 gives a complete listing of the Inactivity

Timer Multiplier.

Number of S per M units

The number of S units per M unit field gives the ratio of these MSF address values.

For media conforming to the CD-ROM and CD-DA standard, this value is 60

(3Ch).

Number of F per S units

The number of F units per S unit field gives the ratio of these MSF address values.

For media conforming to the CD-ROM and CD-DA standard, this value is 75(4Bh).

- 51 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-9-6

FORMAT

PAGE CODE 0EH - CD-ROM AUDIO CONTROL PARAMETERS STATUS

Bit

Byte

Reserved

Page Code (0Eh)

Page Length (0Eh)

Reserved

Immed

SOTC Reserve

Reserved

Out Port 0 Channel Select (1h)

Output Port 0 Volume (FFh)

Out Port 1 Channel Select (2h)

Output Port 1 Volume (FFh)

Reserved

TABLE 2-9-6A OUT PORT CHANNEL SELECT PARAMETERS

Output

muted

Out Port 0 Channel Select

Out Port 1 Channel Select

0000

0001

0010

0001

0000

0001

0010

Left Audio

Right Audio

Stereo

- 52 -

CD-ROM Audio Control Parameters

2.9.6

CD-ROM Audio Control Parameters

Immed (Immediate)

An Immediate, Immed ,bit of one indicates the target will send completion status as

soon as the playback operation has been started. An Immed bit of zero indicates that

the drive will not send completion status until the audio playback operation is

completed or an error occurs.

SOTC (Stop On Track Crossing)

A stop on track crossing, SOTC, bit of zero indicates the drive will terminate the

audio playback operation when the transfer length is satisfied. A stop on track

crossing bit of one indicates that the drive will terminate audio playback when the

beginning of a following track is encountered.

Out Port Channel Select

Refer to Table 2-9-6A on the opposite page for out port channel select options.

Output Port Volume

The channel volume control indicates the relative volume level for this audio port.

A value of zero indicates the output is muted, a value of FFh indicates the

maximum level. The output volume is defined by averaging port 0 and port 1.

The CD-ROM audio control parameter page sets the playback modes and output

controls of subsequent Play Audio commands and any current audio playback

operation.

- 53 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-9-7

PAGE CODE 2AH - CD-ROM CAPABILITIES AND MECHANICAL STATUS

PAGE FORMAT

Bit

Byte

Reserve Reserve

Page Code (2Ah)

Page Length (0Eh)

Reserved

4 ~ 7

Reserve Multi-

Session

Mode 2 Mode 2 Reserve Reserve

Audio

From2

UPC

Form1

Pointer

are

Play

CD-DA

32-bit

field of

Capabilit

y Bits

R-W De-

R-W

CD-DA

Reserve

ISRC

interleave supported Stream is Comman

d &

Accurate

Supporte

supported corrected

Prevent

Jumper

Lock

State

Loading Mechanism Type

Reserve

Eject

Lock

Separate

Channel

Mute-

Supporte

Separate

Volume

Levels

per

Reserved

Channel

(MSB) Maximum Speed Supported (in KBps)

(LSB)

(MSB) Maximum Speed Supported (in KBps)

(LSB)

(MSB) Buffer Size Supported by Drive (in Kbytes)

(LSB)

(MSB) Current Speed Selected (in KBps)

(LBS)

Reserved for number of ADPCM Decoders

Reserved

17 ~ 20

- 54 -

CD-ROM Capabilities and Mechanical Status Page

2.9.7

CD-ROM Capabilities and Mechanical Status Page

IMPORTANT: This command applies only to models DRM-602X, DRM-624X, DR-

U124X, DR-UA124X

The individual capabilities of the drive are specified by bytes 4 through 7. Each of the

bits indicate if that specific capability is supported. A value of zero indicates that the

capability is NOT supported; a value of one indicates the capability IS supported.

- 55 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-9-7A PARAMETER DESCRIPTION

Bit

Parameter

Description

Audio Play

The drive is capable of Audio Play operation. This also indicates

that the drive is capable of overlapping Play and other commands

such as reading of the Sub-channel information.

This bit has been reserved for future support of CD-ROM XA

commands. Drives which set this bit shall support all CD-ROM XA

commands.

XA Commands Supported

Mode 2 Form1

The drive is capable of reading sectors in Mode 2 Form 1(XA)

format.

Mode 2 Form2

The drive is capable of reading sectors in Mode 2 Form 2 format.

Multi-Session

The drive is capable of reading multiple session or Photo-CD discs.

Red Book audio can be read using the READ-CD command.

READ CD-DA

CD-DA Stream is Accurate

This bit indicates that the drive supports an advanced feature that

allows it to return to an audio location without losing place to

continue the READ CD-DA command.

The drive is incapable of accurately restarting the CD-DA

read operation , and a BUFFER OVERFLOW error shall

be reported whenever a loss of streaming occurs, This

error will be fatal and the command will have to be

repeated from the beginning.

The drive can continue from a loss of streaming condition

and no error will be generated.

R-W Supported

The commands that return Sub-channel data can return the

combined R-W information.

R-W

De-Interleaved

This indicates that the R-W sub-channel data will be returned de-

interleaved and error corrected.

Correction

C2 Pointers are Supported

This indicates that the drive supports the C2 Error Pointers . This

also indicates that the drive is capable of returning the C2 Error

Pointers and C2 Block Error flags in the READ CD command.

The drive can return the Media Catalog Number (UPC).

UPC

ISRC

The drive can return the International Standard Recording Code

Information.

Lock

The PREVENT/ALLOW command is capable of actually locking

the media into the drive.

Lock State

This Indicates the current state of the drive.

The drive is currently in the allow (Unlocked ) state.

Media may be inserted or ejected.

The drive is currently in the prevent (Locked) state.

Media loaded in the drive may not be removed via a soft

or hard eject. If the drive is empty, media may not be

inserted if the Prevent Jumper is not present. If the jumper

is present, then media may be inserted.

Prevent Jumper

This indicates the state of the (Optional) Prevent / Allow Jumper.

Jumper is present. Drive will power up to the allow state.

Locking the drive with the Prevent /Allow Command shall

NOT prevent the insertion of media

Jumper is not present. Drive will power up to the Prevent

State (Locked). The drive will not accept new media or

allow the ejection of media already loaded until an allow

command is issued.

- 56 -

CD-ROM Capabilities and Mechanical Status Page

TABLE 2-9-7A PARAMETER DESCRIPTION (CONTINUED)

Bit

Parameter

Description

Eject Command

The drive can eject the disc via the normal START/STOP command

with the LoEj bit set.

Loading Mechanism Type

This field specifies the type of disc loading the drive supports.

23 ~ 21

Caddy type loading mechanism

Tray type loading mechanism

Pop-up type loading mechanism

Reserved

Separate Volume Levels

Separate Channel Mute

The audio level for each channel can be controlled independently.

The mute capability for each channel can be controlled

independently.

TABLE 2-9-7B EXAMPLE DATA RATES

Speed

Data Rate

176 Kbytes / second

353 Kbytes / second

387 Kbytes / second

528 Kbytes / second

706 Kbytes/second

X2.2

The Maximum Speed Supported field indicates the actual maximum data rate that the

drive supports. This value is returned as the number of kilobytes per/second

(Speed/1000) that the data is read from the drive.

Note that these are the raw data rates and do not reflect any overhead resulting from

headers, error correction data, etc. It is also important to understand that the reported

data rate is a theoretical maximum and the actual data rates to the host will be lower.

The Number of Volume Levels Supported field returns the number of discrete levels. If

the drive only supports turning audio on and off, the Number of Volume Levels field

shall be set to 2.

- 57 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

(this page has been left intentionally blank)

- 58 -

CD-ROM Capabilities and Mechanical Status Page

The Buffer Size Supported field returns the number of bytes of buffer dedicated to the

data stream returned to the Host Computer. This value is returned in Kbytes

(Size/1024). If the drive does not have a buffer cache, the value returned shall be zero.

The Current Speed Selected field indicates the actual data rate that the drive is

currently using. This value is returned as the number of kilobytes per/second

(Speed/1000) that the data is read from the drive.

- 59 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-9-8

PAGE CODE 31H - DRIVE SPEED PAGE

Bit

Byte

Reserved

Page code (31h)

Parameter Length (02h)

Speed

Reserved

TABLE 2-9-8A SPEED FIELD VALUES

Value

00h

Description

Normal Speed

2X Speed

01h

03h

4X Speed

FFh

Maximum Speed

Other Value

- 60 -

Drive Speed Page

2.9.8

Drive Speed Page

The speed field provides a means for the initiator to set and retrieve the spindle speed

when accessing data areas. The speed field values are listed in Table 2-9-8A on the

opposite page.

The speed setting is only applicable when reading data areas. The target will

automatically switch to normal speed when playing audio tracks and will switch back

to the speed setting when accessing data.

DRIVE NOTES:

DRM-602x

The DRM-602x does not support 4x speed. A speed setting value of 03h

will not cause an error, but set the drive to 2x speed.

DRM-624x, DRM-604X, DR-U124X, DR-UA124X, DR-D504X

These drives do not support 2x Speed. A speed setting value of 01h will not

cause an error.

However, the drive will automatically be set to 4x speed.

- 61 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-9-9

PAGE CODE 3EH - LOGICAL UNIT ASSIGNMENT LIST

Bit

Byte

Reserve Reserve

Page Code (3Eh)

Page Length : (06h)

Number of supported discs (MSB) : (00h)

Number of supported discs (LSB) : (06h)

Disc number for logical unit0

Disc number for logical unit1

Disc number for logical unit2

Disc number for logical unit3

Disc number for logical unit4

Disc number for logical unit5

- 62 -

Logical Unit Assignment Page

2.9.9

Logical Unit Assignment Page

Number of supported discs

The drive supports 6 discs. 0006h is always returned, and 124x will return 1 .

Disc numbers

Shows the disk number assigned to each logical unit. Disc number 0 means that the

associated logical unit cannot be used. Disc numbers in defaults are 1 through 6 for

logical units 0 through 5, respectively.

Accessing, with other SCSI commands, a logical unit to which disc number 0 has been

assigned results in a Check Condition status with the sense data of "Illegal logical unit

number."

This page shows the parameters of the drive. The logical unit number specified in the

command descriptor block is ignored.

- 63 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-10 PAUSE/RESUME (4BH)

Bit

Byte

Operation Code (4Bh)

Logical Unit No.

Reserved

Resume

- 64 -

Pause/Resume

2.10 Pause/Resume (4Bh)

Operation Code is (4Bh)

Resume

A Resume of zero indicates that the drive enter the hold track state with the audio output

muted. A Resume bit of one indicates that the drive release the pause and begin play at the

block following the last block played.

The PAUSE/RESUME command requests that the drive start or stop the current audio play

operation. This command is used with PLAY AUDIO commands, issued while the immediate

bit(Immed) of MODE SELECT PAGE CODE E is set to one.

This command is terminated with Check Condition status if the resume bit is zero and the audio

play operation cannot be paused (i.e. an audio play operation has not been requested, or the

requested audio play operation has been completed).

It will not be considered an error to request a pause when a pause is already in effect or to request

a resume when a play operation is in progress.

- 65 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-11 PLAY AUDIO(10) (45H)

Bit

Byte

Operation Code (45h)

Logical Unit No.

Reserved

Starting Logical Block Address (MSB)

Starting Logical Block Address

Starting Logical Block Address (LSB)

Reserved

Transfer Length (MSB)

Transfer Length (LSB)

Reserved

- 66 -

Play Audio(10)

2.11 Play Audio(10) (45h)

Operation Code is (45h).

Logical Block Address

The logical block address field specifies the logical block at which the audio play back

operation will begin. If all bytes in the logical block address field are set to FFh, it means

to start at the current optical head location. This feature allows the host to modify the audio

ending address without interrupting the current audio playback operation.

Transfer Length

Specifies the number of contiguous logical blocks that will be played. A transfer length

field of zero indicates that no audio operation will occur. This condition will not be

considered an error. Any other value indicates the number of logical blocks that will be

played.

The PLAY AUDIO(10) command requests that the target play audio starting at the specified

logical block address for the specified transfer length. The command function (Immed bit) and

the output of audio signals will be as specified by the settings of the audio control parameters in

the MODE SELECT PAGE CODE E.

The status returning condition depends on the Immed bit of MODE SELECT page code E. The

Immed bit in MODE SELECT page code E of one requests that this command return the status

byte as soon as the audio playback operation has been started. The Immed bit in MODE

SELECT page code E of zero requests that this command return the status byte when audio

playback operation is completed, or an error occurs.

If any commands related to audio operations are implemented then the PLAY AUDIO command

will be implemented to allow a method for the initiator to determine if audio operations are

supported. A target responding to a PLAY AUDIO command which has transfer length of zero

with Check Condition status and setting the sense key to ILLEGAL REQUEST does not support

audio play operations.

- 67 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-12 PLAY AUDIO(12) (A5H)

Bit

Byte

Operation Code (A5h)

Logical Unit No.

Reserved

Logical Block Address (MSB)

Logical Block Address

Logical Block Address (LSB)

Transfer Length (MSB)

Transfer Length

Transfer Length (LSB)

Reserved

- 68 -

Play Audio(12)

2.12 Play Audio(12) (A5h)

Operation Code is (A5h).

The PLAY AUDIO(12) command requests that the drive begin an audio playback operation. The

command function (Immed and SOTC bits) and the output of audio signals shall be specified by

the settings of the mode parameters. See the PLAY AUDIO(10) command for a description of

the fields in this command.

- 69 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-13 PLAY AUDIO MSF (47H)

Bit

Byte

Operation Code (47h)

Logical Unit No.

Reserved

Starting M Field

Starting S Field

Starting F Field

Ending M Field

Ending S Field

Ending F Field

Reserved

- 70 -

Play Audio MSF

2.13 Play Audio MSF (47h)

Operation Code is (47h)

Starting M/S/F Field

Specifies absolute starting address in minutes, seconds, frame number.

Ending M/S/F Field

Specifies absolute ending address in minutes, seconds, frame number.

The PLAY AUDIO MSF command requests the target to begin an audio playback operation.

The command function (Immed) and the output of audio signals shall be as specified by the

settings of the mode parameters page code 0Eh.

The Starting M Field, the Starting S Field, and the Starting F Field specify the absolute MSF

address at which the audio play operation shall begin.

The Ending M Field, the Ending S Field, and the Ending F Field specify the absolute MSF

address at which the audio play operation shall end.

All contiguous audio sectors between the starting and the ending MSF address shall be played.

A starting MSF address equal to an ending MSF address causes no audio play operation to occur.

This is not considered an error. If the starting MSF address is less than the ending MSF address,

the command shall be terminated with Check Condition status. The sense key shall be set to

ILLEGAL REQUEST.

If the starting address is not found, or if the address is not within an audio track, or if a not ready

condition exists, the drive will terminate with a Check Condition status. If the SOTC bit

parameter in the MODE SELECT command page code 0Eh is one, the drive will stop if during

the specified starting and ending addresses, a track crossing occurs.

- 71 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-14 PLAY AUDIO TRACK INDEX (48H)

Bit

Byte

Operation Code(48h)

Logical Unit No.

Reserved

Starting Track

Starting Index

Reserved

Ending Track

Ending Index

Reserved

- 72 -

Play Audio Track Index

2.14 Play Audio Track Index (48h)

Operation Code is (48h).

Starting Track/Index

The starting track field specifies the track number of the starting audio track. The starting

index field specifies the index number within the track at which the audio play operation

shall begin.

Ending Track/Index

The ending track field specifies the track number of the ending audio track. The ending

index field specifies the index number within the track after which the audio play operation

shall stop. The audio play operation shall terminate at the last block with an index number

equal to the ending index. All contiguous audio sectors between the starting and ending

address shall be played.

The PLAY AUDIO TRACK INDEX command requests the drive begin an audio play operation.

The command function (Immed) and the output of audio signals shall be specified by the settings

of the mode parameters page code 0Eh.

If the starting address is less than the ending address, the command will be terminated with

Check Condition sense key set to ILLEGAL REQUEST.

If the starting address is not found, or if the address is not within an audio track, or if a not ready

condition exists, the command shall be terminated with Check Condition status. Valid values for

the track and index fields are 1 to 99.

If the ending track is greater than the last information track on the media, the playback will

continue until the last track is complete. If the ending index is greater than the largest index value

on the ending track, the playback shall continue until this track is complete then terminate.

These conditions are not considered errors.

If the starting index is greater than the largest index value on the starting track, and the stop on

track crossing (SOTC) bit of the audio control MODE SELECT parameters page code 0Eh is

zero, the playback operation will start at the beginning of the next track.

If the starting index is greater than the largest index value on the starting track, and the stop on

track crossing (SOTC) bit of the audio control MODE SELECT parameters page is one, the

playback shall not begin. The target shall return Check Condition, and the sense key set to

ILLEGAL REQUEST.

- 73 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-15 PLAY AUDIO TRACK RELATIVE(10) (49H)

Bit

Byte

Operation Code (49h)

Logical Unit No.

Reserved

Track Relative Logical Block Address (MSB)

Track Relative Logical Block Address

Track Relative Logical Block Address (LSB)

Starting Track

Transfer Length (MSB)

Transfer Length (LSB)

Reserved

- 74 -

Play Audio Track Relative(10)

2.15 Play Audio Track Relative(10) (49h)

Operation Code is (49h).

TRLBA

The Track Relative Logical Block Address field specifies the two's complement starting

logical block address relative to the beginning of the first sector on the track with an index

value of one. Negative values indicate a starting location within the audio pause area at the

beginning of the requested track.

Starting Track

Specifies the track number of the starting audio track.

Transfer Length

The Transfer Length Field specifies the number of contiguous logical blocks that shall be

output as audio data. A length of zero indicates that no audio playback operation shall

occur. This condition is not an error. Any other value indicates the number of logical

blocks that shall be output.

The PLAY AUDIO TRACK RELATIVE(10) command requests that the drive begin an audio

playback operation. The starting address is specified as a track relative logical block address

within the specified starting track. The command function (Immed and SOTC bits) and the

output of audio signals shall be as specified by the settings of the mode parameters.

If the logical block length is not equal to the sector size the drive will adjust the starting logical

block address and the transfer length. The drive will start the audio play operation with the

beginning of a sector whenever the starting logical address falls within that sector (MSF unit). If

the requested transfer length causes the end of an audio play operation to fall within a sector the

drive will continue the play operation through the end of that sector.

If the starting address is not found, or if the address is not within an audio track, or if a not ready

condition exists, the command is terminated with Check Condition status.

- 75 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-16 PLAY AUDIO TRACK RELATIVE(12) (A9H)

Bit

Byte

Operation Code(A9h)

Logical Unit No.

Reserved

Track Relative Logical Block Address (MSB)

Track Relative Logical Block Address

Track Relative Logical Block Address (LSB)

Transfer Length (MSB)

Transfer Length

Transfer Length (LSB)

Starting Track

Reserved

- 76 -

Play Audio Track Relative(12)

2.16 Play Audio Track Relative(12) (A9h)

Operation Code is (A9h).

The PLAY AUDIO TRACK RELATIVE(12) command requests that the device begin an audio

playback operation. The command function (Immed and SOTC bits) and the output of audio

signals shall be as specified by the settings of the mode parameters. See the PLAY AUDIO

TRACK RELATIVE(10) command for a description of the fields in this command.

- 77 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-17 PREVENT/ALLOW MEDIA REMOVAL (1EH)

Bit

Byte

Operation Code (1Eh)

Logical Unit No.

Reserved

- 78 -

Prevent/Allow Media Removal

2.17 Prevent/Allow Media Removal (1Eh)

Operation code is (1Eh).

Prev (Prevent bit)

When this bit is set to 1, EJECT DISK commands (C0h) and the Eject Button on the drive

are ignored. When it is 0, media removal is allowed.

This command is used to prevent or allow media removal from the drive. If an EJECT DISK

command is received when media removal is prevented, a Check Condition is returned with the

sense key "Illegal request" and the extended sense code of 80h (Medium Change Prohibited).

The prevented condition is released when a BUS DEVICE RESET message is received or a

hardware reset occurs.

- 79 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-18 READ(6) (08H)

Bit

Byte

Operation Code (08h)

Logical block address (MSB)

Logical block address

Logical Unit No.

Logical block address (LSB)

Transfer Length

Reserved

- 80 -

Read(6)

2.18 Read(6) (08h)

Operation Code is (08h).

This six-byte READ command only allows reads of up to 255 blocks.

The logical blocks will have the length set by MODE SELECT or the power-on default. For

longer reads, use the ten-byte READ(10) command.

After a read operation, the drive holds the head at the last read track until an inactivity time-out

occurs.

- 81 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-19 READ(10)

Bit

Byte

Operation Code (28h)

Logical Unit No.

Reserved

Logical block address (MSB)

Logical block address

Logical block address (LSB)

Reserved

Logical block length (MSB)

Logical block length (LSB)

Reserved

- 82 -

Read(10)

2.19 Read(10)

Operation code is (28h).

This ten byte READ command allows reads of up to 64K blocks. The logical blocks will have

the length set by MODE SELECT or the power-on default.

After a read operation, the drive holds the head at the last read track until an inactivity time-out

occurs.

NOTE: The DPO, FUA and RelAdr bits (not shown) in byte 1 are not supported, and must be

set to 0.

- 83 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-20 READ BUFFER (3CH)

Bit

Byte

Operation Code (3Ch)

Reserved

Logical Unit No.

Mode

Buffer ID : (00h)

Buffer offset (MSB)

Buffer offset

Buffer offset (LSB)

Allocation length (MSB)

Allocation length

Allocation length (LSB)

Control/Reserved

TABLE 2-20A READ BUFFER HEADER

Bit

Byte

Reserved

Effective length (MSB)

Effective length

Effective length (LSB)

- 84 -

Read Buffer

2.20 Read Buffer (3Ch)

Operation Code is (3Ch).

Mode specifies meaning of the Buffer Offset field.

Buffer ID is not supported. This byte is always 00h.

Buffer Offset

The byte offset in the buffer at which the read shall begin. This must be between 0 and 15.

Allocation Length must include 4 byte header.

This command is used with the WRITE BUFFER command to test the reliability of the drive

command buffer memory and of the SCSI bus. This command does not cause a disc access. The

drive terminates the DATA IN phase when it has transferred the header and data specified in

Allocation Length, or the header and the remainder of the buffer.

Mode field

00b

Definition

The header, data, and buffer offset are 0s.

The buffer offset indicates the offset from the start of the

buffer at which the data are to be read.

Reserved

01b

10b

11b

Reserved

The 4-byte header and the following data are transferred to the initiator in the DATA IN phase.

If Allocation Length is 0, neither the header nor data are transferred.

The header is defined as follows:

- Effective Length

The number of bytes of valid data in the buffer.

The effective length does not depend on the actual number of data written by a WRITE BUFFER

command. The sum of the buffer offset plus the effective data length is always 16. The number

of data to be transferred following the header is the smaller one, either the allocated length minus

4 bytes, or the effective length.

When the drive cannot accept the specified buffer offset, a Check Condition is returned with the

sense key "ILLEGAL REQUEST." If Buffer Offset is not 0 when Mode is set to 00h, Check

Condition is returned.

- 85 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-21 READ CD-ROM CAPACITY (25H)

Bit

Byte

Operation Code (25h)

Reserved

Logical Unit No.

RelAdr (0)

Logical block address (MSB) (00h)

Logical block address (00h)

Logical block address (LSB) (00h)

Reserved

PMI (0)

Reserved

TABLE 2-21A READ CAPACITY DATA

Bit

Byte

Logical block address (MSB)

Logical block address

Logical block address (LSB)

Logical block length (MSB)

Logical block length

Logical block length (LSB)

- 86 -

Read CD-ROM Capacity

2.21 Read CD-ROM Capacity (25h)

Operation code is (25h).

This command requests the drive to return physical parameters of the CD-ROM disc currently

loaded. The Logical Block Address, RelAdr (Byte 1, bit 0), and PMI (Byte 8, bit 0) parameters

are not supported and must be set to 0.

The drive sends the initiator the 8-byte data as shown in Table 2-3 in the data transfer phase.

Logical block address is the last logical block address on the disc.

Logical block length is the size of logical blocks in bytes.

The value of Logical Block Length returned depends on the block length set with a MODE

SELECT command. The default value of the block length is 2048 bytes. The CD-ROM drives

allow values of 2048 or 512 bytes to be set with an external switch on the drive.

- 87 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-22 READ CD (BEH)

Bit

Byte

Operation Code (BEh)

Expected Sector Type

Reserved

(MSB)

Starting Logical Block Address

(LSB)

(MSB)

Transfer Length in Blocks

(LSB)

Flag Bits

Synch Field

Header(s) Code

Reserved

User Data EDC&ECC

Error Flag(s)

Reserve

Sub-Channel Data Selection Bits

Reserved

TABLE 2-22A READ-CD, EXPECTED SECTOR TYPE FIELD DEFINITION

Expected

Sector

Type

Definition

Description

000b

Any Type

CD-DA

Checking of the Sector Type is not performed. Device will terminate

command at sector where transition between CD-ROM and CD-DA occurs.

Only Red Book (CD-DA) sectors allowed. Attempt to read any other format

results in error report.

001b

010b

011b

100b

101b

Mode 1 Form 1 Only Yellow Book sectors having “user” data field of 2048 bytes allowed.

Attempt to read any other format results in an error report.

Mode 1 Form 2 Only Yellow Book sectors having “user” data field of 2336 bytes allowed.

Attempt to read any other format results in an error report.

Mode 2 Form 1 Only Green Book sectors having “user” data field of 2048 bytes allowed.

Attempt to read any other format results in an error report.

Mode 2 Form 2 Only Green Book sectors having “user” data field of 2324 bytes allowed.

Attempt to read any other format results in an error report. Note: the spare

data is included in the user data making the size 2324+4 =2328 bytes.

Reserved

110b~111b

- 88 -

Read CD-ROM Capacity

2.22 Read CD (BEh)

IMPORTANT: This command applies only to models DRM-602X, DRM-624X, DR-U124X,

DR-UA124X

Operation code is (BEh).

The Expected Sector Type field is used to limit the amount of information returned to the Host.

If the Requested Sector(s) do not match the specified type , the command will be terminated with

a Check Condition. The Sector that does not match will not be transferred to the Host. The sense

key shall be set to ILLEGAL MODE TOR THIS TRACK.

The Synch Field Bit, when set to one indicates that the Synch Field from the sector will be

included in the data stream. Note that the data fields that are requested to be included in the data

stream shall be contiguous. The Synch Field information (if selected) will be the first information

in the data stream; all other fields will follow.

The Header(s) Code is an encoded field that indicates the Header / Sub-header information to be

placed in the data stream.

The User Data Flag, when set to one, indicates that the Data part of a CD Sector shall be

returned in the data stream. When set to 1, the whole user data will be returned to the host. Note

that the setting of the Mode Select Density Code does not apply to this command, and the

physical user data will be returned . If the current track is an Audio Track then the Audio Data

will be returned, else the normal CD-ROM data will be returned. The possible data lengths are

2048,2336,2328 and 2352.

The EDC and ECC Flag, when set to one, indicates that the EDC and ECC (L-EC) field shall be

included in the data stream. For Mode 1 CDs this will include the 8 bytes of pad data.

Error Flag(s) is an encoded field that indicates which (if any) of the C2 and / or Block Error

data will be included in the data stream. All the field types are mandatory. If the drive does not

support the C2 pointers (as reported in the Mode sense Capabilities page) the data returned shall

be zero filled.

The Sub-Channel Data Selection bits indicate which CD Sub-Channel information is to be

included in the data stream., the “}Raw”} Sub-Channel information (All eight channels , on byte

from each of the small frames.) If the bit is set , then that Sub-channel data will be included in

the data stream to the Host.

- 89 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-22B READ CD, HEADER CODE FIELD DEFINITION

Header(s) Code

Definition

None

Description

00b

01b

None of the header data shall be placed in the data stream.

Only the mode 1 or Form 1 4-byte header will be returned in

the data stream.

Header Only

10b

11b

Sub-header Only Only the Mode 2 Form 1 of 2 Sub-header will be placed into

the data stream.

All Headers

Both the Header and Sub-header will be placed in the data

stream.

TABLE 2-22C READ CD, ERROR FLAG FIELD DEFINITION

Error Flags

00b

Definition

Description

None

C2 Error Flag data

No Error information will be included in the data stream.

The C2 Error flag (Pointer) bits (2352 bits or 294 bytes)

will be included in the data stream. When the C2 Error

pointer bits are included in the data stream, there will be

one bit for each byte in error in the sector (2352 total).

The bit ordering is from the most significant bit to the

least significant bit in each byte . The first bytes in the

sector will be the first bits/bytes in the data stream.

01b

10b

11b

C2 & Block Error Flags Both the C2 Error Flags (2352 bits or 294 bytes) and the

Block Error Byte will be included in the data stream.

The Block Error byte is just the longitudinal parity of all

the C2 Error Flag bytes, So that the data stream will

always be an even number of bytes, the Block Error byte

will be padded with a 0 byte. The Block Error byte will

be first in the data stream followed by the pad byte.

Reserved

Reserved for future enhancement.

- 90 -

Read CD-ROM Capacity

Support of Sub-channel data is optional. In the case of R-W the drive may return data de-

interleaved and error-corrected, RAW or padded with zeros depending on the R-W Supported

and R-W de-interleaved and error-corrected bits in the CD-ROM capabilities and mechanical

status page.

If the Starting Logical Block Address is set to FFFFFFFFh and the only information requested to

be placed in the data stream is the Sub-channel data and there is currently a PLAY AUDIO

command in process, the actual address used will be from the current location (of the Audio

play).

The number of bytes returned is based on which bits are set in the Data Selection Field.

The table on the opposite page allows you to calculate the number of bytes returned based on

which Data Selection field bits are set.

The CD-DA audio data includes 16bits of information for each channel, and will be formatted as

follows when an audio track is read. The First Channel is Left channel, and Right channel is

next.

- 91 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-22D READ CD, SUB CHANNEL DATA SELECTION FIELD DEFINITION

Sub-channel

000b

Definition

Description

No Sub channel Data No Sub-channel data will be transferred

001b

RAW

Raw Sub-channel data will be transferred

Not Supported

010b

011b

Reserved

R - W

Reserved

100b

R-W data will be transferred

101b-111b

TABLE 2-22E NUMBER OF BYTES RETURNED BASED ON DATA SELECTION FIELD

Flag Bits CD-DA Mode 1 Mode 1 Mode 2 Mode 2

Form 1 Form 2

Form1

Sync

80h

20h

A0h

40h

60h

E0h

10h

50h

30h

70h

F0h

08h

Header

Sync & Header

Sub Header

All Header

Sync & Headers

User Data

2352

2048

2052

2064

288

2336

2340

2352

2048

2056

2052

2060

2072

280

2328

2336

2332

2340

2352

Sub Header & User Data

Header & User Data

All Headers & User Data

Sync & All Headers & User Data

Repeat All Above and Add EDC/

ECC

Repeat All Above and Add Error

Flags

02h

04h

294

296

294

296

294

296

294

296

294

296

Repeat All Above and Add Block &

Error Flags

- 92 -

Read CD-ROM Capacity

(this page has been left intentionally blank)

- 93 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-23 READ CD MSF (B9H)

Bit

Byte

Operation Code (B9h)

Expected User data type

Reserved

Starting M Field

Starting S Field

Starting F Field

Ending M Field

Ending S Field

Ending F Field

Flag Bits

Synch Field

Sub Q

Header(s)Code

Reserved

User Data EDC&ECC Reserved for Error Type Reserve

Sub-Channel Data Selection Bits

Raw

Reserved

- 94 -

Read CD MSF

2.23 Read CD MSF (B9h)

IMPORTANT: This command applies only to models DRM-602X, DRM-624X, DR-U124X,

DR-UA124X

The Starting M field, the Starting S field, and the Starting F field specify the absolute MSF

address at which the Read operation shall begin.

The Ending M field, the Ending S field, and the Ending F field specify the absolute MSF

address where the Read operation shall end. All contiguous sectors between the starting and the

ending MSF address shall be read.

A starting MSF address equal to an ending MSF address prevents a read operation. This shall not

be considered an error. If the starting MSF address is greater than the ending MSF address, the

command shall be terminated with Check Condition status. The sense key shall be set to

ILLEGAL REQUEST.

If the starting address is not found, or if a not ready condition exists, the command shall be

terminated with Check Condition status.

- 95 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-24 READ CDP (E4H)

Bit

Byte

Operation Code (E4h)

Logical Unit No.

Reserved

Allocation length (MSB)

Allocation length (LSB)

Reserved

- 96 -

Read CDP

2.24 Read CDP (E4h)

Operation Code is (E4h)

This command requests the drive to return the status data resulting from the previous WRITE

CDP command. The drive terminates the data phase when Allocation Length bytes or all the

relevant data have been transferred.

The last status data returned from the Drive Controller is buffered in the drive SCSI controller.

Because the next return data from the next WRITE CDP command will overwrite the buffer, the

READ CDP command should immediately follow a WRITE CDP command.

The buffered status data is cleared after executing a READ CDP command. If a READ CDP

command is issued after the buffer is cleared, the drive does not go to the data phase, but returns

a GOOD status.

If a READ CDP command is issued during the execution of a player operation, a BUSY status is

returned. Any command other than the READ CDP is accepted. If the drive receives a SCSI

command (except the INQUIRY or REQUEST SENSE commands) the action initiated by the

WRITE CDP command will be terminated. In this case, the player status returned by the READ

CDP command will be "E16" (Input From Other Device). Such a player interrupt does not cause

any SCSI errors.

See Appendix B for information on the CDP return codes.

- 97 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-25 READ DRIVE STATUS (E0H)

Bit

Byte

Operation Code (E0h)

Logical Unit No.

PCF

Reserved

Page Code

Reserved

Allocation Length (MSB)

Allocation Length (LSB)

Reserved

TABLE 2-25A PAGE HEADER

Bit

Byte

Reserved

Page Code

Page Length (MSB)

Page Length (LSB)

- 98 -

Read CDP

2.25 Read Drive Status (E0h)

Operation Code is (E0h)

PCF (Page Control Field) indicates the type of Page Parameter to be returned.

00b

01b

10b

11b

Current Value

Reserved

Page Code indicates contents of the Page Parameters.

01h

02h

Drive Status

Audio Play Status

Reserved

Others :

The READ DRIVE STATUS command requests the drive to report its specific drive status to the

initiator.

The drive terminates the DATA IN phase when Allocation Length bytes have been transferred or

when all available Drive Status data has been transferred to the initiator. When Allocation

Length is set to 0, no data is returned. This does not cause a Check Condition.

Page Parameters

Each Page Parameter data is preceded by a header of 3 bytes defining the Page Code and

Page Length of the page.

Page Length is the number of bytes of status data following the Header

Page Code 01h

The drive will return 16 bits of Drive Status data. Bit 0 is the least significant bit.

- 99 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-25B DRIVE STATUS DATA FORMAT

Bit

Byte

Reserved

Page Code : (01h)

Page Length (MSB) (00h)

Page Length (LSB) (02h)

Drive Status (MSB)

Drive Status(LSB)

TABLE 2-25C AUDIO PLAY STATUS FORMAT

Bit

Byte

Reserved

Page Code : (02h)

Page Length (MSB) (00h)

Page Length (LSB) (01h)

Audio Play Status

- 100 -

Read CDP

Drive Status

Bit 15-12

Bit 11

Reserved (all 0)

Disc is present in Logical unit

No disc present in Logical Unit

Supports Mode2 form1and form2.(XA)

Does not support Mode2 form1 and form2.(XA)

Supports HSG addressing mode

Supports HSG and Red Book addressing modes

No audio channel manipulation

Supports audio channel manipulation

No Look-Ahead Read function

Supports Look-Ahead Read function

0: Reserved

Bit 10

Bit 9

Bit 8

Bit 7

Bit 6

Bit 5

0: Does not support interleaving

Supports ISO-9660 interleaving read

0: Data track reads only

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Data track reads and play audio/video tracks

0: Read only

Supports Read and Write commands

0: Supports only 2048-byte block size

Supports 2048 and 2353-bytes block size

0: Magazine locked

Magazine unlocked

0: Magazine inserted

No magazine inserted

Page Code: 02h

The drive returns a 1-byte Audio Play Status.

Audio Play Status is a bit set to 1 indicates that the corresponding Logical Unit is playing an

audio track.

Bit 0

Logical Unit 0

Logical Unit 1

Logical Unit 2

Logical Unit 3

Logical Unit 4

Logical Unit 5

Reserved

Bit 1

Bit 2

Bit 3

Bit 4

Bit 5

Bit 6 and 7

The Audio Play Status refers only to audio playback operations initiated by AUDIO PLAY

commands.

- 101 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-26 READ HEADER (44H)

Bit

Byte

Operation Code (44h)

Reserved

Logical Unit No.

MSF

Reserve

Logical block address (MSB)

Logical block address

Logical block address (LSB)

Reserved

Allocation Length (MSB)

Allocation Length (LSB)

Reserved

TABLE 2-26A HEADER DATA FORMAT

Bit

Byte

CD-ROM Data Mode

Reserved

Absolute CD-ROM Address (MSB)

Absolute CD-ROM Address

Absolute CD-ROM Address (LSB)

TABLE 2-26B CD-ROM DATA MODE CODES

CD-ROM Mode

User Data Field Contents (2048

Auxiliary Field Contents (288

Bytes)

all bytes zero

user data

all bytes zero

EDC, L-EC bytes

user data

03h ~ FFh

reserved

- 102 -

Read Header

2.26 Read Header (44h)

Operation Code is (44h)

MSF

Set to 1 indicates that the absolute CD-ROM address field of the returned header data will

indicate the MSF address where the specified logical block is found.

If MSF bit is equal to 0, the absolute CD-ROM Address field of the returned header data

gives the logical block address of the first logical block in the physical sector where the

specified logical block is found. Note: This address may be different from the specified

logical block address in CDB if the block length is either 512 or 1024 bytes.

Logical Block Address

Specifies the logical block at which the read header operation will begin. A logical block

size smaller than 2048 bytes, will be mapped into the appropriate physical block from

which the data would have been read.

Allocation Length is the length of header data to be returned (08h).

This command requests the drive to return the header data of the specified logical block to allow

the system or applications to determine the mode of the specified block.

If the specified block is on an audio track, a Check Condition status is returned.

CD-ROM Data Mode

The CD-ROM Data Mode field will return CD-ROM Data Mode of the specified logical

block.

- 103 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-27 READ SUB-CHANNEL (42H)

Bit

Byte

Operation Code (42h)

Reserved

Logical Unit No.

SubQ

MSF

Reserved

Sub Channel Data Format

Reserved

Track Number

Allocation Length (MSB)

Allocation Length (LSB)

Reserved

TABLE 2-27A SUB CHANNEL DATA HEADER

Bit

Byte

Reserved

Audio Status

Sub Channel Data Length (MSB)

Sub Channel Data Length (LSB)

- 104 -

Read Sub-Channel

2.27 Read Sub-Channel (42h)

Operation Code is (42h).

MSF

If “1”, the CD-ROM address field of the returned sub-channel data is in MSF format. The

returned M,S and F fields are specified in hex. If “0”, the CD-ROM address field of the

returned sub-channel data is in logical address format.

Sub Q

The Sub Q bit set to one requests the target return the Q sub-Channel data. Set to zero

requests that no sub-channel data will be returned.

Sub Channel Data Format

The Sub Channel Data Format Field specifies the returned Sub Channel Data. The format

codes are listed below.

Track Number

The track number field specifies the track number from which the ISRC Code is

transferred. This field must have the value between 01h and 63h (99 bcd), and is valid only

when the Sub Channel Data Format field is 03h. In this case, the target returns the ISRC

Code of the track if it is detected. In other cases (i.e. Sub Channel Data Format Field not

equal to 03h), the drive will return Check Condition status if the Track Number Field is not

equal to 00h. The sense key and additional sense code are set to ILLEGAL

REQUEST/INVALID FIELD in CDB.

Allocation Length

The READ SUB-CHANNEL command requests that the target return the requested sub-channel

data of the current block plus the status of an audio play operation.

Format Code

00h

Sub-Channel Data Block

Q Sub-code Data

01h

CD-ROM Current Position

Media Catalog Number (UPC/Bar Code)

Track International Standard Recording Code (ISRC)

Reserved

02h

03h

04h-FFh

The returned sub-channel data consists of a four-byte header followed by a sub-channel data

block. The header contains the audio status byte and the sub-channel data length field. If the

Sub-Q bit in byte 2 of the CDB is zero, the target will not return the sub-channel data block. In

this case the sub-channel data length is 0.

- 105 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-27B SUB-CHANNEL Q MODE INFORMATION

Bit

Byte

Sub Channel Data Format code (00h)

ADR Control

Track Number

Index Number

Absolute CD-ROM Address (MSB)

Absolute CD-ROM Address

Absolute CD-ROM Address (LSB)

Track Relative CD-ROM Address (MSB)

Track Relative CD-ROM Address

Track Relative CD-ROM Address (LSB)

Reserved

MCV

(MSB)

media catalog number(UPC/Bar Code)

(LSB)

TCV

Reserved

(MSB)

ISRC

(LSB)

TABLE 2-27C AUDIO STATUS

Status

00h

Description

audio status byte not supported or invalid

audio play operation in progress

11h

12h

audio play operation paused

13h

audio play operation successfully completed

audio play operation stopped due to error

no current audio status to return

14h

15h

- 106 -

Read Sub-Channel

Audio Status indicates the status of an audio play operation. The status of audio commands are

listed in Table 2-23C on the opposite page.

Sub Channel Data Length should be set 0, 12, 20, 28 or 44 bytes and does not include the Sub

Channel Header.

ADR codes are defined in Table 2-23D

Control bits are defined in Table 2-23E

Track Number specifies the current Track Number

Index Number specifies the current index number in the current track.

Absolute CD-ROM Address returns the current location relative to the logical beginning of the

media. If the MSF bit in the CDB is zero, this field is a logical block address. If the MSF bit in

the CDB is one, this field is an Absolute MSF address.

Track Relative CD-ROM Add returns the current location relative to the logical beginning of

the current track. If the MSF bit is zero, this field is a track relative logical block address. If the

current block is in the pre-gap area of a track, this address will be a negative value, expressed as a

two's complement number. If the MSF bit is one, this field is an absolute MSF address.

MCV

If the MCV bit is one, the media catalog number field is valid.

There are identify numbers according to the UPC/EAN cording in the media catalog

number field. If all data in this field is ASCII 0, there is no media catalog number in the

field.

TCV

If the TCV bit is one, the ISRC field is valid. In this field, there are identify numbers

according to the ISRC standard. (DIN-31-621)

When the Sub-Q bit in the CDB is set to zero, the drive returns the Sub Channel Header with no

other data.

Audio status values 13h and 14h return information on previous audio operations; they are

returned only once after the condition has occurred. If another audio play operation is not

requested, the audio status returned for subsequent READ SUB-CHANNEL commands is 15h.

- 107 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-27D ADR SUB-CHANNEL Q FIELD

ADR Code

Description

sub-channel Q mode information not supplied

sub-channel Q encodes current position data

sub-channel Q encodes media catalog number

sub-channel Q encodes ISRC

reserved

4h ~ Fh

TABLE 2-27E SUB-CHANNEL Q CONTROL FIELD

Bit

Set to “0” (ZERO)

audio without pre-emphasis

digital copy prohibited

audio track

Set to “1” (ONE)

audio with pre-emphasis

digital copy prohibited

data track

two channel audio

four channel audio

TABLE 2-27F CD-ROM CURRENT POSITION DATA BLOCK

Bit

Byte

Sub Channel Data Format code (01h)

ADR Control

Track Number

Index Number

Absolute CD-ROM Address (MSB)

Absolute CD-ROM Address

Absolute CD-ROM Address (LSB)

Track Relative CD-ROM Address (MSB)

Track Relative CD-ROM Address

Track Relative CD-ROM Address (LSB)

- 108 -

Read Sub-Channel

The ADR field shows the type of information encoded in the Q sub-Channel of this block as

defined in the CD standard.

MCV

If the MCV bit is one, the media catalog number field is valid.

There are identify numbers according to the UPC/EAN cording in the media catalog

number field. If all data in this field is ASCII 0, there is no media catalog number in the

field.

TCV

If the TCV bit is one, the ISRC field is valid. In this field, there are identify numbers

according to the ISRC standard. (DIN-31-621)

- 109 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-27G MEDIA CATALOG NUMBER DATA BLOCK

Bit

Byte

Sub Channel Data Format code (02h)

Reserved

MCV

(MSB)

Media catalog number (UPC/Bar Code)

(LSB)

TABLE 2-27H TRACK INTERNATIONAL STANDARD RECORDING CODE(ISRC) DATA

BLOCK

Bit

Byte

Sub Channel Data Format code (03h)

Control

ADR

Track Number

Reserved

TCV

Reserved

(MSB)

Track International Standard Recording Code(ISRC)

(LSB)

- 110 -

Read Sub-Channel

(this page has been left intentionally blank)

- 111 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-28 READ TOC (43H)

Bit

Byte

Operation Code (43h)

Reserved

Logical Unit No.

MSF

Reserve

Reserved

Start Track

Allocation Length (MSB)

Allocation Length (LSB)

Format

Control

TABLE 2-28A TOC DATA WITH FORMAT=00B

Bit

Byte

TOC Data Length (MSB)

TOC Data Length (LSB)

First Track Number

Last Track Number

TABLE 2-28B TRACK DESCRIPTORS

Bit

Byte

Reserved

ADR

Control

Track Number

Reserved

Absolute CD-ROM Address (MSB)

Absolute CD-ROM Address

Absolute CD-ROM Address (LSB)

- 112 -

Read TOC

2.28 Read TOC (43h)

Operation Code is (43h).

The READ TOC command requests the target transfers data from the table of contents to the

initiator.

This command has been modified from the SCSI-2 READ TOC command with the addition of

the Format field to support multi-session discs.

Format field

00b

Definition

Same as SCSI-2. The Start Track Field specifies the starting track number

for which the data will be returned. For multi-session discs, this command

will return the TOC data for all sessions.

01b

This format returns the first session number, last session number and the

starting address of the last session. The Start Track field is reserved and

should be set to zero.

10b

11b

All Sub-Channel Q code information.(DRM-602X only)

Reserved.

The Start Track field specifies the starting track number for which the data shall be returned. If

this value is zero, the table of contents data shall begin with the first track on the medium. The

data is returned in contiguous ascending track number order.

If the Start Track field is not valid for the currently installed medium, the command shall be

terminated with Check Condition status. The sense key shall be set to ILLEGAL REQUEST and

the additional sense code set to INVALID FIELD IN CDB.

IMPLEMENTORS NOTE: The maximum TOC data length possible on currently available CD-

ROM media is 804 bytes, or 100 TOC track descriptors.

The TOC data block contains a four byte header followed by zero or more TOC track descriptors.

The TOC data length specifies the length in bytes of the following TOC data that is available to

be transferred during the DATA IN phase. The TOC data length value does not include the TOC

data length field itself.

The first track number field indicates the first track number in the table of contents. The last

track number field indicates the last track number in the table of contents before the lead-out

track number.

- 113 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-28C TOC DATA WITH FORMAT=01B

Bit

Byte

TOC Data Length (MSB)

TOC Data Length (LSB)

First Session Number

Last Session Number

TABLE 2-28D TRACK DESCRIPTORS

Bit

Byte

Reserved

ADR

Control

First Track Number in Last Session

Reserved

4 ~ 7

Absolute CD-ROM Address of the First Track in the Last Session

TABLE 2-28E TOC DATA WITH FORMAT=10B (DRM-602X ONLY)

Bit

Byte

TOC Data Length (MSB)

TOC Data Length (LSB)

First Session Number

Last Session Number

- 114 -

Read TOC

IMPLEMENTORS NOTE:

The first track number is not required to be one. A disc may start at any valid track

number. The track numbers between the first track number and the last track number are

required to be in contiguous ascending order, except for the lead-out track.

The ADR field gives the type of information encoded in the Q sub-channel of the block where

this TOC entry was found. The control field indicates the attributes of the track.

The track number field indicates the track number for which the data in the TOC track descriptor

is valid. A track number of 0AAh indicates the track descriptor is for the start of the lead-out

area.

The absolute CD-ROM address contains the address of the first block with user information for

that track number as read from the table of contents. An MSF bit of zero indicates that the

absolute CD-ROM address field contains a logical block address. An MSF bit of one indicates

the absolute CD-ROM address field contains an MSF address.

IMPLEMENTORS NOTE:

The starting logical block address value recovered from the TOC has a tolerance of zero for

data tracks and plus or minus 75 CD sectors for audio tracks. This tolerance is multiplied

by a factor dependent of the logical block length.

- 115 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-28F TRACK DESCRIPTORS

Bit

Byte

Reserved

ADR

Control

Byte1 or TNO

Byte2 or Point

Byte3 or Min

Byte4 or Sec

Byte5 or Frame

Byte6 or Zero

Byte7 or Pmin

Byte8 or Psec

Byte9 or PFrame

- 116 -

Read TOC

(this page has been left intentionally blank)

- 117 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-29 RECEIVE DIAGNOSTIC RESULTS (1CH)

Bit

Byte

Operation Code (1Ch)

Logical Unit No.

Reserved

Allocation length (MSB)

Allocation length (LSB)

Reserved

TABLE 2-29A DIAGNOSTIC RESULTS DATA FORMAT

Bit

Byte

Reserved

Parameter Length (06h)

ROM Diagnostic

RAM Diagnostic

Data Buffer Diagnostic

Reserved

- 118 -

Read Diagnostic Results

2.29 Read Diagnostic Results (1Ch)

Operation code is (1Ch).

This command requests the drive to return the results of the power-on self test.

The Diagnostic Results data consists of 8-byte parameters as shown in Table 2-28B on the

opposite page.

Parameter Length

The number of bytes of the RECEIVE DIAGNOSTIC parameter excluding itself. This is

fixed to 06h.

ROM Diagnostic

Bit 0 = 1, failure of the SCSI controller ROM.

Bit 1 = 1, failure of the drive controller ROM.

RAM Diagnostic

Bit 0 = 1, failure of the SCSI controller RAM.

Bit 1 = 1, failure of the drive controller RAM.

Data Buffer Diagnostic

Bit 0 = 1, failure of the SCSI controller data buffer.

Bit 1 = 1, failure of the drive controller data buffer.

Bit 2 = 1, failure of the ECC RAM in the drive controller.

Interface Diagnostic

Bit 0 = 1, interface failure between the SCSI controller and the drive controller.

Bit 1 = 1, interface failure between the drive controller and the mechanism.

- 119 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-30 RELEASE (17H)

Bit

Byte

Operation Code (17h)

Logical Unit Number

3rdPty

3rd Party device ID

Ext (0)

Reservation ID : 00h

Reserved

- 120 -

Release

2.30 Release (17h)

Operation Code is (17h).

3rdPty

Set to one if the initiator requests third-party reservation.

3rd Party device ID

The SCSI ID of another initiator for which the logical unit shall be reserved.

Ext. (Extent)

Not supported. This bit must be 0.

Reservation ID

Not supported. This byte must be 00h.

This command is used by the reserving initiator to release the previous reservation of the logical

unit. If an initiator attempts to release a reservation that is not currently active, no error is

generated; the drive returns a GOOD status.

When the 3rd Party bit is 1, the 3rd-Party Device ID must be the same ID reserved by the

original initiator.

- 121 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-31 REQUEST SENSE (03H)

Bit

Byte

Operation Code (03h)

Logical Unit Number

Reserved

Allocation Length (12h)

Reserved

TABLE 2-31A EXTENDED SENSE DATA FORMAT

Bit

Byte

Valid

Error code (70h / 71h)

Segment number (00h)

Reserve Sense Key

FileMk

EOM

ILI

Information byte (MSB)

Information byte

Information byte (LSB)

Additional Sense Data Length

Command-Specific Information (MSB)

Command-Specific Information

Command-Specific Information (LSB)

Additional Sense Codes

18 ~ N

Additional Sense Code Qualifier

Field Replaceable Unit Code

Sense-Key Specific (MSB)

Sense-Key Specific

SKSV

Sense-Key Specific (LSB)

Additional Sense Bytes

- 122 -

Request Sense

2.31 Request Sense (03h)

Operation Code is (03h).

The REQUEST SENSE command requests the drive to transfer extended sense data to the

initiator. The drive supports the first 18 bytes of the extended sense data format. The drive will

transfer Allocation Length bytes or 18 bytes, whichever is smaller.

Valid

A valid bit of zero indicates that the information field is not as defined in the SCSI-2

standard. A valid bit of one indicates the information field contains valid information as

defined in the SCSI-2 specifications.

FileMk (File mark) if one indicates that the current command has read a file mark.

EOM (End of Medium) if one indicates that an end-of-medium condition exists.

ILI (Incorrect Length Indicator)

An incorrect length indicator bit set to one indicates that the requested logical block length

did not match the logical block length of the data on the medium.

Sense Key

Provides generic categories in which error and exception conditions can be reported. Table

2-31B lists the supported sense keys.

ASC / ASCQ (Additional Sense Codes)/(Additional Sense Code Qualifier)

Additional sense codes and additional sense code qualifier provides further detail

describing the sense key. These codes are listed in Table 2-31C.

Additional Sense Length

Indicates the number of additional sense bytes to follow. If the allocation length of the

command descriptor block is to small to transfer all of the additional sense bytes, the

additional sense length is not adjusted to reflect the truncation.

Command Specific Info

The field contains information that depends on the command which was executed. Further

definition for this field is contained within the command description.

SKSV

(Sense Key Specific Valid) The sense-key specific field is defined when the sense-key

specific valid (SKSV) bit is one. A SKSV value of zero indicates that this field is not

defined.

- 123 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-31B SUPPORTED SENSE KEYS

Sense Key

Name

Comments

no sense

There is no specific sense key information to be reported for

the designated logical unit.

recovered error

The last command completed successfully with some

recovery action performed by the target.

not ready

The logical unit addressed can not be accessed.

Command terminated, unrecovered error, probably caused by

a flaw in the medium or an error in the recorded data.

The target detected a non-recoverable hardware failure while

performing the command or during a self-test.

An illegal parameter in the command descriptor block or in

the additional parameters supplied as data for commands.

Removable medium changed or target was reset.

Execution of a read or write to medium command was

attempted on a protected block.

medium error

hardware error

illegal request

unit attention

data protect

blank check

Write-once device encountered blank medium or format

defined end of data indication while reading.

Target aborted command.

aborted command

---

Others

not supported

- 124 -

Request Sense

TABLE 2-31C SUPPORTED ADDITIONAL SENSE CODES AND ADDITIONAL SENSE CODE

QUALIFIERS

ASC

ASCQ

DESCRIPTION

no additional sense information

I/O process terminated

audio play operation in progress

audio play operation pause

audio play operation successfully completed

audio play operation stopped due to error

no current audio status to return

no seek complete

logical unit not ready, cause not reportable

logical unit is in process of becoming ready

logical unit not ready, initializing command required

logical unit not ready, manual intervention required

logical unit does not respond to selection

no reference position found

multiple peripheral devices selected

logical unit communication failure

logical unit communication time out

logical unit communication parity error

track following error

tracking servo error

focus servo failure

spindle servo failure

error log overflow

unrecovered read error

L-EC uncorrectable error

CIRC unrecovered error

recorded entity not found

record not found

random positioning error

mechanical positioning error

positioning error detected by read of medium

recovered data with no error correction applied

recovered data with retries

recovered data with positive head offset

recovered data with negative head offset

recovered data with retries and/or CIRC applied

recovered data using previous sector ID

recovered data error correction applied

recovered data error correction and retries applied

recovered data - data auto - reallocated

recovered data with CIRC

recovered data with L-EC

recovered data - recommend reassignment

parameter list length error

synchronous data transfer error

invalid command operation code

CONTINUED

- 125 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

Table 2-31C Supported additional sense codes and additional sense code qualifiers (continued)

ASC

ASCQ

DESCRIPTION

logical block address out of range

invalid field in CDB

logical unit not supported

invalid field in parameter list

parameter not supported

parameter value invalid

threshold parameters not supported

not ready to ready transition (medium may have changed)

power on, reset or bus device reset occurred

parameters changed

mode parameters changed

log parameters changed

copy can not execute since host can not disconnect

command sequence error

commands cleared by another initiator

incompatible medium installed

can not read medium - unknown format

can not read medium - incompatible format

rounded parameter

saving parameters not supported

medium not present

invalid bits in identify message

logical unit has not self-configured yet

target operating conditions have changed

micro code has been changed

changed operation definition

inquiry data has changed

diagnostic failure on component NN (80h-FFh)

message error

internal target failure

select or reselect failure

unsuccessful soft reset

SCSI parity error

initiator detected error message received

invalid message error

command phase error

data phase error

logical unit failed self configuration

overlapped commands attempted

media load or eject failed

medium removal prevented

unable to recover TOC

operation request or state change input (unspecified)

operator medium removal request

log exception

threshold condition met

log counter at maximum

log list codes exhausted

end of user area encountered on this track

illegal mode for this track

- 126 -

Request Sense

(this page has been left intentionally blank)

- 127 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-32 RESERVE (16H)

Bit

Byte

Operation Code (16h)

3rdPty 3rd Party Device ID

Logical Unit No.

Ext (0)

Reservation ID (00h)

Extent List length (00h)

Reserved

- 128 -

Reserve

2.32 Reserve (16h)

Operation Code is (16h).

3rdPty

Set to one if the initiator requests third-party reservation.

3rd Party Device ID

The SCSI ID of another initiator for which the logical unit shall be reserved.

Ext. (Extent) is not supported. This bit must be 0.

Reservation ID is not supported. This byte must be 00h.

Extent List length is not supported. These bytes must be 00h.

The initiator uses this command to exclusively reserve the specified logical unit. Area

reservations using the Extent bit are not supported. If the 3rd Party bit is 1, the logical unit is

reserved for another SCSI device specified by the 3rd Party Device ID. The initiator can change

the reservation by issuing a new RESERVE UNIT command to the reserved unit. In this case,

the previous reservation is released when the new reservation is received.

The reserved condition is maintained until the original initiator issues another valid RESERVE

UNIT command or a RELEASE UNIT command; when a BUS DEVICE RESET message is

issued by any initiator; or when a hardware reset condition occurs. In the latter two reset cases, a

UNIT ATTENTION condition is reported for the next SCSI command.

Any reservation request by an initiator for a logical unit that has been reserved by another

initiator is rejected, and a RESERVATION CONFLICT status is returned.

If the 3rd Party bit is 1, the logical unit is reserved for the SCSI device indicated by the 3rd-

Party Device ID. The reserved state is maintained as described previously. Any release request

is ignored, and a GOOD status is returned if it comes from an initiator other than the one that

issued the reservation command.

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CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-33 REZERO UNIT (01H)

Bit

Byte

Operation Code (01h)

Logical Unit No.

Reserved

- 130 -

Rezero Unit

2.33 Rezero Unit (01h)

Operation Code is (01h).

The drive loads the specified logical unit (if necessary), spins up the disc (if stopped), moves the

head to the start track of the disc, and holds it there until an inactivity time-out occurs. If the

initiator requests a disconnect, the drive disconnects from it during load and seek operations.

This command does not affect modes specified by the MODE SELECT command.

- 131 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-34 SEEK(6) (0BH)

Bit

Byte

Operation Code (0Bh)

Logical Block Address (MSB)

Logical Block Address

Logical Unit No.

Logical Block Address (LSB)

Reserved

- 132 -

Seek(6)

2.34 Seek(6)

Operation Code is (0Bh).

The drive seeks to the specified logical block address and then holds at that track until an

inactivity time-out occurs.

- 133 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-35 SEEK(10) (2BH)

Bit

Byte

Operation Code (2Bh)

Reserved

Logical Unit No.

Logical Block Address (MSB)

Logical Block Address

Logical Block Address (LSB)

Reserved

- 134 -

Seek(10)

2.35 Seek(10) (2Bh)

Operation code is (2Bh).

The drive seeks to the specified logical block address and then holds at that track until an

inactivity time-out occurs.

- 135 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-36 SEND DIAGNOSTIC (1DH)

Bit

Byte

Operation Code (1Dh)

PF Res

Reserved

Logical Unit No.

Self

Reserved

Allocation length (MSB)

Allocation length (LSB)

Reserved

TABLE 2-36A SEND DIAGNOSTIC DATA FORMAT

Bit

Byte

Reserved

Parameter Length (06h)

ROM Diagnostic

RAM Diagnostic

Data Buffer Diagnostic

Interface Diagnostic

Reserved

- 136 -

Send Diagnostic

2.36 Send Diagnostic (1Dh)

Operation code is (1Dh).

PF must be 0.

Self (Self-Test bit) if “1” (ONE), default self-test is executed. If “0” (ZERO), send diagnostic

data issued.

Allocation length set to 0 when Self bit is one. When Self bit is 0, set to 8h.

This command reports the results of the drive's power-on self test (when the self bit is one). If

test is successful, GOOD status is returned. If a problem was detected, Check Condition with

sense key HARDWARE ERROR is returned. Use RECEIVE DIAGNOSTIC RESULTS to

determine the problem area.

If self bit is zero, target returns GOOD status after received specified CDB and parameter list.

A Result of the test will be returned by the RECEIVE DIAGNOSTIC RESULT command.

The Send Diagnostic data consists of 8-byte parameters as shown in the following table:

Parameter Length is the number of bytes of the SEND DIAGNOSTIC parameter excluding

itself. This is fixed to 06h.

ROM Diagnostic

Bit 0 = 1, test the SCSI controller ROM.

Bit 1 = 1, test the drive controller ROM.

RAM Diagnostic

Bit 0 = 1, test the SCSI controller RAM.

Bit 1 = 1, test the drive controller RAM.

Data Buffer Diagnostic

Bit 0 = 1, test the SCSI controller data buffer.

Bit 1 = 1, test the drive controller data buffer.

Bit 2 = 1, test the ECC RAM in the drive controller.

Interface Diagnostic

Bit 0 = 1, test interface between the SCSI controller and the drive controller.

Bit 1 = 1, test interface between the drive controller and the mechanism.

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CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-37 SET CD-ROM SPEED(1) (DAH)

Bit

Byte

Operation Code (DAh)

Reserved

Speed

Reserved

- 138 -

Set CD-ROM Speed(1)

2.37 Set CD-ROM Speed(1) (DAh)

Operation code is (DAh).

The Set CD-ROM Speed command provides a means for initiator to set the spindle motor speed.

Speed Field Value

Description

00h

Normal Speed

01h

2x Speed

03h

4x Speed

FFh

Maximum Speed

Other Value

Any other value not specified will set the drive to maximum Speed

Drive Differences:

DRM-602x The DRM-602x does not support 4x speed. A speed setting value of 03h

will not cause an error, but set the drive to 2x speed.

DRM-624x, DRM-604x, DR-U124x, DR-UA124X, and DR-D504X

These drives do not support 2x Speed. A speed setting value of 01h will not cause an error.

However, the drive will automatically be set to 4x speed.

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CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-38 SET CD-ROM SPEED(2) (BBH)

Bit

Byte

Operation code (BBh)

Reserved

(MSB)

Drive Speed in Kbytes/Second

(LSB)

Reserved

- 140 -

Set CD-ROM Speed(2)

2.38 Set CD-ROM Speed(2) (BBh)

The Drive Speed parameter contains the requested Data Rate the drive should use. The drive may

choose to select the speed specified or any slower rate. A value of FFFFh will set the Drive

Speed to the Maximum supported. Requesting a speed faster than the drive supports will not

generate an error. The actual maximum speed supported is returned in the Capabilities Mode

Sense page.

- 141 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-39 START/STOP UNIT (1BH)

Bit

Byte

Operation Code (1Bh)

Reserved

Logical Unit No.

Immed

Reserved

LoEj

Start

Reserved

- 142 -

Start/Stop Unit

2.39 Start/Stop Unit (1Bh)

Operation code is (1Bh).

Immed (Immediate)

When the immediate bit is 1, status is returned before executing the command . When it is

0, status is returned after the operation is completed.

LoEj (Load Eject)

When LoEj is 1 and Start is 0, the drive ejects the magazine.

Start

When Start is 1, the disc tray is loaded, the disc is spun up, and the laser and servo system

are turned on. When it is 0, the disk is spun down.

- 143 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-40 STOP PLAY/SCAN (4EH)

Bit

Byte/Bit

Operation code (4Eh)

Reserved

- 144 -

Stop Play/Scan

2.40 Stop Play/Scan (4Eh)

The STOP PLAY/SCAN CD-ROM Command stops playback of CD-ROM audio commands.

- 145 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-41 TEST UNIT READY (00H)

Bit

Byte

Operation Code (00h)

Logical Unit No.

Reserved

- 146 -

Test Unit Ready

2.41 Test Unit Ready (00h)

Operation Code is (00h).

The TEST UNIT READY command checks that a cartridge is loaded and that the drive is ready

to operate. "Ready" has different meanings depending on whether the drive has accessed a

logical unit by loading the disc tray:

Before access to logical unit : Magazine is inserted and the drive is ready to read.

After an access to logical unit: A disc is in the specified logical unit (or tray) and is ready to

be accessed.

The TEST UNIT READY command does not load the logical unit's tray. (See REZERO UNIT)

See 1.3 for Disc Status Information.

A Not Ready condition can occur when:

(1) No magazine is inserted in the drive.

(2) The magazine cannot be inserted or ejected.

(3) The drive cannot read TOC information on a disc.

(4) There is no disc present.

- 147 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-42 VERIFY(10) (2FH)

Bit

Byte

Operation Code (2Fh)

Reserved

Logical Unit No.

Blkvry

Bytchk

RelAdr

Logical block address (MSB)

Logical block address

Logical block address (LSB)

Reserved

Verification length (MSB)

Verification length (LSB)

Reserved

- 148 -

Verify(10)

2.42 Verify(10) (2Fh)

Operation code is (2Fh).

Logical Block Address is the address at which the verify operation shall begin.

Verification Length is the number of logical blocks to be verified.

This command requests the drive to check the specified blocks on the disc based upon the error

recovery parameter setting (see MODE SELECT command). No data transfer on the SCSI bus

occurs.

NOTE: The BlkVry (Blank verify), BytChk (Byte Check) and RelAdr bits in byte 1 are not

supported, and should be set to 0.

- 149 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-43 VERIFY(12) (AFH)

Bit

Byte

Operation Code (AFh)

Reserved

Logical Unit No.

Logical block address (MSB)

Logical block address

Logical block address (LSB)

Verification Length (MSB)

Verification Length

Verification Length (LSB)

Reserved

- 150 -

Verify(12)

2.43 Verify(12) (AFh)

Operation code is (AFh).

See VERIFY(10) for complete description of this command.

- 151 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-44 WRITE BUFFER (3BH)

Bit

Byte

Operation Code (3Bh)

Reserved

Logical Unit No.

Mode

Buffer ID (00h)

Buffer offset (MSB)

Buffer offset

Buffer offset (LSB)

Transfer length (MSB)

Transfer length

Transfer length (LSB)

Reserved

TABLE 2-38A WRITE BUFFER HEADER

Bit

Byte

Reserved

- 152 -

Write Buffer

2.44 Write Buffer (3Bh)

Operation Code is (3Bh).

Mode specifies meaning of the Buffer Offset field.

Buffer ID is not supported. This byte must be 00h.

Buffer Offset is the byte offset in the buffer where the data shall be stored. This must be 0

through 15.

Transfer Length is the number of bytes to be transferred in the DATA OUT phase. This must

be the data length to be sent plus 4 bytes (header size).

This command is to be used with the READ BUFFER command to test the reliability of the

command buffer memory in the drive, and of the SCSI bus. The drive does not access any discs.

Mode

00b

Definition

Header, data, and buffer offset are 0s.

01b

Buffer offset indicates the offset of the buffer at which data are to be stored.

10b

Reserved

11b

The transfer length must include the 4-byte header, therefore, the actual data length to be stored

is the transfer length minus 4 bytes. As the buffer length of the drive is 16 bytes, the maximum

number of bytes that can be specified for Buffer Offset is 15, and the maximum for Transfer

Length is 20.

If Transfer length is larger than 20, a Check Condition is returned with the sense key "ILLEGAL

REQUEST." Check Condition will also be returned if the Buffer Offset + Transfer Length is

larger than 20.

If Buffer Offset is not 0 when Mode is 00h, Check Condition is returned.

Refer to Table 2-38A on the opposite page for the 4-byte header of 00h's must be sent preceding

the test data.

- 153 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-45 WRITE CDP (E3H)

Bit

Byte

Operation Code (E3h)

Logical Unit No.

Reserved

Transfer length (MSB) (00h)

Transfer length (LSB) : <= 14h

Reserved

- 154 -

Write CDP

2.45 Write CDP (E3h)

Operation Code is (E3h).

Transfer Length is the number of bytes of CDP command data to be sent.

This command sends alphanumeric Player Control commands to the drive. The drive returns the

command status after the player control command is transferred to the drive controller chip. A

GOOD status indicates only that the command was syntactically correct. The READ CDP

command must be used to determine the results of the operation.

(See Appendices A and B for details on audio functions.)

The Player Control command data can contain up to 21 characters including a Carriage Return

(0Dh). If Transfer Length is larger than 21, Check Condition is returned with sense key

ILLEGAL REQUEST and sense code 24h, "Invalid Command Block Other Than 20 or 21".

IMPORTANT: THE COMMAND STRING MUST BE TERMINATED WITH A CARRIAGE

RETURN

Data after a Carriage Return is ignored. When there is no Carriage Return, Check Condition is

returned with sense key ILLEGAL REQUEST, sense code "Error in Parameter List" (26h).

When media change is prohibited by the PREVENT/ALLOW MEDIA REMOVAL command,

the magazine eject command "Z0" is ignored. When the command string consists of multiple

request commands (such as "?Z"), only the status of the first command is returned by the READ

CDP command.

- 155 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-46 READ CD-DA (D8H)

Bit

Byte

Operation Code (D8h)

Logical Unit Number

Reserved

(MSB)

Starting Logical Block Address

(LSB)

Reserved

(MSB)

Transfer length

(LSB)

Sub Code

Reserved

- 156 -

Read CD-DA

2.46 Read CD-DA (D8h)

IMPORTANT: This command applies only to models DRM-602X, DRM-624X, and the DR-U

Series drives.

Operation Code is (D8h).

The READ CD-DA command requests that the drive transfer CD-DA data and/or Sub Code

data.

The Starting Logical Block Address specifies the block where the READ operation begins.

The definition of the starting logical block address is as follows:

Starting Logical Block Address = (M-Ms) * 60 * 75 + (S-Ss) * 75 + (F-Fs)

(M, S, F) = absolute MSF address of the requested starting logical block

(Ms, Ss, Fs) = absolute MSF address of the first block of the first track

Sub Code Field:

Sub Code Field CD-DA block length

Description

00h

01h

2352 bytes

2368 bytes

2448 bytes

96 bytes

CD-DA data with no Sub Code

CD-DA data with Sub Q Code

CD-DA data with all Sub Code

All Sub Code only

02h

03h

04 ~ FFh

Reserved

If the Sub Code field is set to 00h, the drive returns the CD-DA data without Sub Code data.

(Each block consists of 2352 bytes of digital audio data without any Sub Code data.)

If the Sub Code field is set to 01h, the drive returns the CD-DA data with Sub Q data. Each

block consists of 2368 bytes which includes 2352 bytes of digital audio data, 10 bytes of Sub Q

data and 6 bytes of zeros. Note: 16 bits of CRC for the Sub Q data are not transferred.

If the Sub Code field is set to 02h, the drive returns the CD-DA data with all Sub Code data.

(Each block consists of 2448 bytes which includes 2358 bytes of digital audio data and 96 bytes

of Sub Code data.)

If the Sub Code field is set to 03h, the drive returns 96 bytes of all Sub Code data only.

The Transfer Length specifies the number of contiguous CD-DA data blocks to be transferred.

- 157 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

NOTES:

1) The CD-DA block lengths are totally irrelevant to the logical block length set by the

Mode Select(6) command. This command would not change the block length field in the

MODE SELECT command.

2) While the SCSI buffer is being filled, the drive is able to prepare with no overlap or

missing data in response to the consecutive commands which read contiguous CD-DA

blocks.

When the host cannot read the data quick enough and the buffer is full, the drive will stop

refilling the buffer. The host is still capable of reading all CD-DA data in the SCSI buffer

with consecutive read commands without overlap or missing bits at the block boundary.

Once the buffer is full, the first read command to read the next sequential CD-DA

block(e.g. X+1) after the last CD-DA block(e.g. X) in the buffer will cause a Check

Condition with a sense key of 05h and an additional sense code of BAh(buffer overflow).

There is no check condition for a read command which does not request block X+1(e.g. a

Read(X+2, 1) command). In addition, a second read command which requests block X+1

will not get a check condition.

For Example (In case that the last CD-DA block stored in the buffer is X):

In a Read(X-2, 5) command to read block X-2 to X+2, the drive returns three CD- DA data

blocks and then a check condition. The drive returns the block X+1 address in the

information bytes(byte 3 to 6) of a subsequent Request Sense command. There are no

overlap of missing bits for blocks X-2, X-1 and X. Block X and X+1 are not transferred.

That is; in case of reading CD-DA blocks, the drive has only rough access. Once the data

stream from the media has been stopped, it is unable to have such pin-point access as in

CD-ROM blocks. (Each CD-ROM block always includes the CD-ROM Header that

provides the pin-point access.)

3) The volume level control is not performed on any SCSI CD-DA data. Analog audio

output is not performed while SCSI CD-DA data is in transaction, either.

4) The drive transfers data to the host at the burst transfer rate for the entire block of data.

The drive's firmware overhead should only occur at a block boundary. Upon completion of

the read operation, the drive enters the Hold Track state during inactive time.

- 158 -

Read CD-DA

(this page has been left intentionally blank)

- 159 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-47 READ CD-DA MSF (D9H)

Bit

Byte

Operation Code (D9h)

Logical Unit No.

Reserved

Starting M Field

Starting S Field

Starting F Field

Reserved

Ending M Field

Ending S Field

Ending F Field

Sub Code

Reserved

- 160 -

Read CD-DA MSF

2.47 Read CD-DA MSF (D9h)

IMPORTANT: This command applies only to models DRM-602X, DRM-624X, and the DR-U

Series drives.

Operation Code is (D9h).

Starting M, S, F Fields indicates the absolute MSF address where the operation begins.

Ending M, S, F Fields indicates the absolute MSF address where the operation ends. If the

ending address is smaller than the starting address, check condition will be returned. The sense

key is set to Illegal Request (05h), the additional sense code is set to Invalid field in CDB (24h).

Sub Code Field - for details, refer to the READ CD-DA command.

The READ CD-DA MSF command requests that the drive transfer CD-DA data.

The data transfer length (bytes) is calculated as follows;

Data Transfer Length = [(Me-Ms) * 60 * 75 + (Se-Ss) * 75 + (Fe-Fs)] * CD-DA Block length

(Ms, Ss, Fs) = Starting MSF address

(Me, Se, Fe) = Ending MSF address

NOTE: The drive transfers the entire block of data to the host at SCSI bus burst transfer rate. The

drive's firmware overhead should only occur at a block boundary. Upon completion of the read

operation, the drive enters Hold Track State during inactive time.

- 161 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-48 READ CD-XA (DBH)

Bit

Byte

Operation Code (DBh)

Logical Unit No.

Reserved

(MSB)

Starting Address

(LSB)

CD-XA Format

(MSB)

Transfer Length

(LSB)

Reserved

- 162 -

Read CD-XA

2.48 READ CD-XA (DBh)

IMPORTANT: This command applies only to models DRM-602X, DRM-624X, and the DR-U

Series drives.

Operation Code is (DBh).

Starting Address specifies the block where the operation begins.

Transfer Length specifies the number of contiguous CD-XA blocks to be transferred.

The READ CD-XA command requests that the drive transfer CD-XA data to the host.

The Starting Address is defined as follows.

Starting Address = M * 60 * 75 + (S-2) * 75 + F

M, S & F = the absolute MSF address of the requested starting address

CD-XA Format Field:

CD-XA Field CD-XA Block Length

Description

00h

0Fh

2048 bytes

2352 bytes

2646 bytes

Reserved

User data only (no sub header)

All CD-XA sector data

All data with 294-byte Error Flags

1Fh

Other Codes

When the CD-XA Format field is set to 00h, the drive returns 2048 bytes CD-XA data in the

user data area without any Sub-header data. If the requested block is in a CD-XA Mode2/Form2

sector, only 2048 bytes user data will be returned and the remaining data will be discarded.

When the CD-XA Format field is set to 0Fh, the drive returns all 2352 bytes CD-XA sector

data.

When the CD-XA Format field is set to 1Fh, the drive returns the CD-XA data with Error Flag

data. Each block consists of 2646 bytes which includes the entire block of 2352 bytes CD-XA

data and a block of 294 bytes Error Flag data.

NOTE: The CD-XA block length is totally irrelevant to the logical block length set by Mode

Select Command.

- 163 -

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE 2-49 READ ALL SUBCODE (DFH)

Bit

Byte

Operation Code (DFh)

Logical Unit Number

Reserved

(MSB)

Transfer Length

(LSB)

Reserved

- 164 -

Read All SubCode

2.49 Read All SubCode (DFh)

IMPORTANT: This command applies only to models DRM-602X, DRM-624X, and the DR-U

Series drives.

Operation Code is (DFh)

Transfer Length indicates the number of contiguous sub-code frames to be transferred. Each

sub-code frame consists of 96-byte data.

Read All Subcode command directs the target to transfer real-time sub-code data (P-W) to the

initiator while the audio is being played.

The initiator must hold while the current sub-code is being retrieved from the disc.

If the Transfer Length is zero, sub-code data will not be transferred. In this case, however, it is

not considered an error.

In the event the sub-code buffer is full in the drive, the drive will stop storing sub-code data into

the buffer. However, the data in the buffer is accessible by this command.

The drive will quit the operation with a Check Condition status once the buffer overflows

or there is no more valid sub-code data in the buffer. The sense key is set to 05h and the

additional sense code is to BFh. The Check Condition for buffer overflow occurs only for the

READ ALL SUBCODE command.

If the target is not playing the audio, the drive will return a Check Condition status.

The sense key is set to 05h and the additional sense code is to 64h.

NOTE: The drive transfers an entire block of data at SCSI bus burst transfer rate. The drive's

firmware overhead only occurs at a block boundary. Upon completion of the read operation, the

drive enters the Hold Track state during the inactivity time.

- 165 -

Appendix A

APPENDIX A PIONEER CD-ROM DRIVES - AUDIO FUNCTIONS

The CD-ROM drives consist of two logical subsystems - a CD reader and a controller. The controller

receives SCSI commands, and sends commands to the reader for execution as needed. This allows audio

commands to be executed in the background. At times, the two subsystems may be operating

independently.

In addition to the normal audio commands, the CD-ROM drives support the Pioneer Laser Disc Player

control commands. These alphanumeric mnemonics may be sent to the drive using the vendor-unique

command WRITE CDP (Character Device Player). The WRITE READ CDP command strings are

passed through the controller directly to the reader. The controller checks the length and termination of

the command string, and, if valid, returns a GOOD status. The controller will generate a Check

Condition with a sense key of ILLEGAL REQUEST if the string is not valid. The controller then passes

the command string to the reader for execution. To receive the results of the command string, the

initiator must use the READ CDP command to get the status from the reader. The reader passes the

result data through the controller. Invalid commands or execution errors will not cause SCSI errors, but

will be reported by the READ CDP command.

Certain types of data, such as the disc TOC, are stored by the controller once they have been read from

the disc. If a disc has been accessed, a READ TOC command will not require a disc access, which could

include a disc change. Instead, the TOC data is transferred from controller memory.

A-I

Appendix B

APPENDIX B AUDIO PLAYER COMMANDS

Addressing Modes

Block

Index

Time

Track

MMSSFF

I I

Specifies Minutes, Seconds, and Frames.

Specifies pre-mastered indices

MMSS

Specifies Minutes and Seconds (Frame 0)

Specifies the beginning of track TT

Player Modes

P00

Home

No disc is loaded. Magazine not inserted.

P00

P01

P03

P04

P06

Home

Park

Stop

No disc is loaded. Magazine inserted.

The disc is loaded, but not spinning.

Play

The drive is playing audio.

Pause

The disc is spinning, but audio play has been paused.

The following table lists the Command Mnemonic and explanation for each player command.

Command

Drive Action

Address Request

Returns a 10-digit string (TTIIMMSSFF) representing Track number, Index

number, and P-code time for the current address. In Park mode, the string is

XXXXXXXXXX, at lead-in 0000000000.

AA01000000.

At lead-out, the string is

Block Request

Returns a six digit string representing the current address in MMSSFF format.

In Park mode, XXXXXX is returned. 000000 is returned when the current

address is in the lead-in area.

Block Mode

Clear

Sets the addressing mode to Block mode. All subsequent addresses must be in

MMSSFF format.

Clears the buffer which stores the stop marker. Will also cancel search mode or

play modes.

Catalog Request

Index Request

Returns the disc's 13 digit catalog number. If the disc does not have a catalog

number, or if no disc is loaded, the string will be all "X"s.

Returns a four digit string representing the track number and index number. In

Park mode, XXXX is returned. 0000 is returned when the current address is in

the lead-in area, and AA01 when in the lead-out area.

B-I

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

Command

Drive Action (continued)

Index Mode

Sets the addressing mode to Index mode. All subsequent addresses will be

interpreted as indices.

Disc Status Request Returns an eight character string representing the attributes of the currently

loaded

disc.

(N1

N8)

Unknown

N1:Disc Loaded 0: No

1: Yes

N2:Audio Track 0: Not Present1: Present

N3:Data Track 0: Not Present1: Present

N4:CDV

N5:CD-I

N6-8:

0: No

1: Yes

Reserved

(All X)

n KL

Key Lock

Enables or disables the front panel eject button. n = 0: Enabled. n = 1:

Disabled

Lead Out

Lead Out Address

Scan Forward

Scan Reverse

Read ISRC

Scans forward about 15 seconds, with audio attenuated by 12 dB.

Scans backwards about 15 seconds, with audio attenuated by 12dB.

Returns the 15 digit International Standard Recording Code for the current track.

(DRM-604X series only)

Mode Request

Returns three digit string representing player mode: P00 - Home (No Magazine),

P01 - Park Mode, P04 - Play Mode, P06 - Pause Mode, P20 - Home Mode

(Magazine Inserted)

Pause

Enters Pause mode at the current address.

Enters Play mode and begins audio play.

Play

TOC Request

Returns TOC data as a 10 digit string (FFLLEEEEEE), where FF represents the

first track, LL represents the last track number, and EEEEEE represents the lead-

out address in MMSSFF format.

?n Q

TOC Request

Track Request

Returns TOC data for track n as an eight digit string (EEEEEETT), where

EEEEEE represents the absolute start address of the track in MMSSFF format,

and TT represents the track type. 00 means audio, 04 means data.

Returns a two digit string representing the current track. In Park mode, XX is

returned. 00 is returned when the current address is in the lead-in area, an AA

when in the lead-out area.

Reject

Start

Stops the disc and enters Park mode.

Starts disc rotation. The drive will pause at the beginning of the first audio

track.

a SE

Searches to address a and enters Pause mode.

a SM

Stop Marker

Sets a stop marker at address a. When the stop marker is reached, the drive

enters Pause mode. Stop markers are cleared by CL and RJ commands.

B-II

Appendix B

Command

Drive Action (continued)

Time Request

Returns a four digit string representing the current time in MMSS format. In

Park mode, XXXX is returned. 0000 is returned when the current address is in

the lead-in area.

Time Mode

Track Mode

Sets the addressing mode to Time mode. All subsequent addresses must be in

MMSS format.

Sets the addressing mode to Track Mode. All subsequent addresses must be in

TT format, specifying a track number.

n VL

Volume

Sets the audio playback level, from 0 to 255.

CDP Model

Disc Query

Returns the revision of the CDP ROM Example: "P150801"

Returns a three digit number representing the currently loaded disc. If there is no

disc loaded, "XXX" will be returned.

Eject Magazine

Disc Return

Disc Select

Ejects the magazine.

Unloads the currently loaded logical unit (tray).

Loads disc n (1-6). After the disc is loaded, the drive goes into Park mode.

n ZS

Player Command Error Messages

Return Error

Explanation

(GOOD)

The command completed successfully.

Error in command, command too long

Unusable command, wrong mode, bad track

A required parameter was not supplied

No disc loaded, magazine not inserted

Search address not found

E00

E04

E06

E11

E12

E13

E14

E16

E90

Communication Error

Feature not Available

Missing Argument

Disc not Present

Address Error

Focus Error

Focus lost (Hardware problem)

Spindle Unlocked

Eject Received

The spindle is not locking

Front panel Eject button pressed before command finished

Panic - Mechanical

A non-recoverable error has occurred in a mechanical operation such

as loading.

E91

E92

E96

E99

Can't Eject Magazine

Can't Load

Can't Start

Drive was unable to spin-up the disc

Panic

A non-recoverable operational error has occurred.

B-III

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

Example

To load Disc 3 and start playing from 21m 34s 16bl, use the command 3ZSSABK213416SEPL<CR>. 3ZS:

Load Disc 3 SA: Start rotation BK: Block Addressing 213416SE: Search to 21 Minutes, 34 Seconds, 16

Blocks PL: Begin Play.

B-IV

Appendix C

APPENDIX C DRIVE VERSION DIFFERENCES

DRM-602X

2900

Current Version

DRM-604X

2401

2403

Current Version

Does Not Support SCSI-2

Supports SCSI-2

Supports Multi-session Photo CD.

DRM-1804X

0100 Current Version

C-I

Appendix D

APPENDIX D PRODUCTS DEFAULT DATA

D.1 Product data of Applied Model Number 3 (Inquiry Data)

TABLE D-1A DR-U124X INQUIRY DATA FORMAT

Bit

Byte

Peripheral Qualifier

Peripheral device type (05h)

Reserved

RMB=1

ANSI version : 2

Response format : 2

TIOP=1

Reserved

Additional length : 42 (2Ah)

Reserved

Sync=1

Reserve

"PIONEER"

"CD-ROM DR-124X"

Ex.”0100”

8 ~ 15

16 ~ 31

32 ~ 35

Vendor name (8-byte ASCII code) Continue

Product inquiry data (16-byte ASCII code) Continue

Revision number (ASCII code)

Release Version : 20h

37 ~ 46

Revision Date(10-byte ASCII code) Continue

Ex. "1995/02/08"

TABLE D-1B DR-UA124X INQUIRY DATA FORMAT

Bit

Byte

Peripheral Qualifier

Peripheral device type (05h)

Reserved

RMB=1

ANSI version : 0

Response format : 1

TIOP=1

Reserved

Additional length : 42 (2Ah)

Reserved

Sync=1

Reserve

"PIONEER"

"CD-ROM DR-124X"

Ex.”0100”

8 ~ 15

16 ~ 31

32 ~ 35

Vendor name (8-byte ASCII code) Continue

Product inquiry data (16-byte ASCII code) Continue

Revision number (ASCII code)

Release Version : 20h

37 ~ 46

Revision Date(10-byte ASCII code) Continue

Ex. "1995/02/08"

D-I

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

TABLE D-1C DRM-624X INQUIRY DATA FORMAT

Bit

Byte

Peripheral Qualifier

Peripheral device type (05h)

Reserved

RMB=1

ANSI version : 2

Response format : 2

TIOP=1

Reserved

Additional length : 42 (2Ah)

Reserved

Sync=1

Reserve

"PIONEER"

"CD-ROM DRM-624X"

Ex.”0100”

8 ~ 15

16 ~ 31

32 ~ 35

Vendor name (8-byte ASCII code) Continue

Product inquiry data (16-byte ASCII code) Continue

Revision number (ASCII code)

Release Version : 20h

37 ~ 46

Revision Date(10-byte ASCII code) Continue

Ex. "1995/02/08"

D-II

Appendix D

D.2 CD-ROM Ability Mechanical Status Page Default Data

TABLE D-2A PAGE CODE 2AH : CD-ROM CAPABILITIES AND MECHANICAL STATUS PAGE DEFAULT

DATA

Bit

Byte

Reserved Reserved

Page Code (2Ah)

Page Length (0Eh)

Reserved

Multi

Session

Mode 2

Form 2

Mode 2

Form1

Reserved Reserved

Commands

AudioPlay

4 ~ 7

32-bit field

ISRC

UPC

C2Po

supported

R-W Dec.

R-W

Supported

CD-DA

String

CD-DA

Commands

Capability

bits

Loading Mechanism Type

124X=001b,624X=000b

Reserved

Eject

Prevent

JP =1

Lock

State

Lock

Reserved

Sp.Mute Sp.volume

=1 =1

(MSB)

Maximum Speed Supported (in KBps)

DR-UA124X=706,DR-U124X/DRM-624X=777

Number of Volume Levels Supported

(LSB)

= 256

(MSB) Buffer Size supported by Drive (in KBytes)

= 128

(LSB)

(MSB)

Current Speed Selected (in KBps)

DR-UA124X=706,DR-U124X/DRM-624X=777

(LSB)

Reserved

17-20

D-III

CD-ROM SCSI-2 COMMAND REFERENCE MANUAL VERSION 3.1 (OB-U0077C)

APPENDIX E CD-ROM COMMAND LIST (BY CODE)

TABLE E-1 CD-ROM COMMAND LIST BY CODE

Applied Model

Sense Data

Code

00h

01h

03h

08h

0Bh

12h

15h

16h

17h

1Ah

1Bh

1Ch

1Dh

1Eh

25h

28h

2Bh

2Fh

3Bh

3Ch

40h

42h

43h

44h

45h

47h

48h

49h

4Bh

4Eh

55h

5Ah

A5h

A8h

A9h

AFh

B9h

BAh

BBh

BEh

CDh

D8h

D9h

DAh

DBh

DFh

E0h

E3h

E4h

Command Name

TEST UNIT READY

REZERO UNIT

REQUEST SENSE

READ (6)

SEEK (6)

INQUIRY

MODE SELECT (6)

RESERVE

RELEASE

MODE SENSE (6)

START/STOP UNIT

RECEIVE DIAGNOSTIC RESULTS

SEND DIAGNOSTIC

PREVENT/ALLOW MEDIUM REMOVAL

READ CD-ROM CAPACITY

READ (10)

SEEK (10)

VERIFY (10)

WRITE BUFFER

READ BUFFER

Contents of Information Bytes

yes

Logical Block Address

yes

Logical Block Address

yes

CHANGE DEFINITION

READ SUB-CHANNEL

READ TOC

yes

READ HEADER

yes

Logical Block Address

PLAY AUDIO (10)

PLAY AUDIO MSF

PLAY AUDIO TRACK/INDEX

PLAY TRACK RELATIVE (10)

PAUSE/RESUME

STOP PLAY/SCAN

MODE SELECT (10)

MODE SENSE (10)

PLAY AUDIO (12)

READ (12)

PLAY TRACK RELATIVE (12)

VERIFY (12)

READ CD MSF

AUDIO SCAN (1)

SET CD-ROM SPEED (1)

READ CD

AUDIO SCAN (2)

READ CD-DA

yes

Logical Block Address

yes

Logical Block Address

READ CD-DA MSF

SET CD-ROM SPEED (2)

READ CD-XA

READ ALL SUBCODE

READ DRIVE STATUS

WRITE CDP

yes

Logical Block Address

yes

READ CDP

E-I

CD-ROM SCSI-2 Command Set

Reference Manual Version 3.1

Pioneer Electronic Corporation

4-1, Meguro 1-chome

Meguro-Ku, Tokyo 153

JAPAN

www.pioneer.co.jp

Pioneer New Media Technologies, Inc.

2265 East 220th Street

Long Beach, California 90810

UNITED STATES OF AMERICA

(310) 952-2111

www.pioneerusa.com

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