TOSHIBA AMERICA INFORMATION SYSTEMS
STORAGE DEVICE DIVISION
IRVINE, CALIFORNIA
MK2004GAL (HDD1422)
1.8-INCH HARD DISK DRIVE
USER MANUAL
Rev 02
11/2006
INTRODUCTION – MK2004GAL (HDD1422) HARD DISK DRIVE
General Features
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1.8" sized drive
2 Platter
20 Gigabytes*
5mm High
15ms Average Seek Time
ATA (2 - 5) Interface
Ultra DMA 100
2Mbytes Buffer
Rotational speed of 4,200rpm
MTTF 300,000 Hours
*Toshiba defines a megabyte (MB) as 1,000,000 bytes and a gigabyte (GB) as 1,000,000,000 bytes.
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SETUP – MK2004GAL (HDD1422) HARD DISK DRIVE
Caution: Your Hard Disk Drive is a precision device and even a small drop onto any surface can
cause damage. Electronstatic discharge can also damage the drive. You should ground yourself
prior to handling the drive.
Figure 1. MK2004GAL Side View
Installation Notes
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Do not apply any force to the top cover, except the screw areas on top cover. Maximum force to the
specified area is 2N.
important Note: Disconnect power from your computer system before beginning
installation
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USING THE HARD DISK DRIVE – MK2004GAL (HDD1422)
HARD DISK DRIVE
Backing up Data Files
To avoid data loss, regularly back up the data files on the hard disk drive.
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SPECIFICATIONS – MK2004GAL (HDD1422) HARD DISK DRIVE
General
Model
Interface
MK2004GAL (HDD1422)
ATA-2/3/4/5
Functionality
Formatted Capacity
Rotational Speed
Avg. Rotational Latency
Spin-up Time
20.0GB*
4200rpm
7.14/ms
3.5sec (typical)
Buffer
2Mbytes
Seek Time
Average
Maximum
15
26
Internal Transfer Rate
Host Transfer Rate
Ultra DMA mode
PIO Mode
125.5 ~ 253.1 Mbits/sec (max)
100Mbytes/sec
16.6Mbytes/sec
1:1
Interleave Factor
*Toshiba defines a megabyte (MB) as 1,000,000 bytes and a gigabyte (GB) as 1,000,000,000 bytes.
Internal Drive Characteristics
Number of Disks
1
Number of Data Heads
Track Density (TPI)
Logical Cylinders
Logical Heads
2
3,465 (88.0k)
16,383
16
Logical Sectors/track
Bytes per Sector
63
512
Logical Blocks (LBA)
39,063,024
Reliability
Preventative maintenance
Non-recoverable read errors
None
1 error per 1013 bits read
Electrical
Voltage
3.3V 5%
Power Consumption
Start
Seek
1.2W typ
1.4W typ
Read/Write
Sleep
Energy Consumption Efficiency
1.4W typ
0.08W typ
0.02W/GB avg
Shock
Operating
Non-Operating
2,450m/s2 (250G)(2msec)
9,800m/s2 (1000G)(1msec)
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Physical
Height
Width
Depth
Weight
0.2" (5.0mm)
2.13" (54.0mm)
3.09" (78.5mm)
1.8oz (51g) typ
Regulatory
The drive satisfies the following standards:
Underwriters Laboratories (UL)
1950
Canadian Standard Association (CSA) C22.2 No. 950
TUV Rheinland
BSMI
EN 60 950
3902C799
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DRIVE CONNECTORS – MK2004GAL (HDD1422) HARD DISK DRIVE
Figure 1. MK2004GAL HDD - INTERFACE CONNECTOR
Interface Connector
Drive Side Connector
MCD-D50 Series by DDK Connectors
MCD-D50 Series by DDK Connectors
Recommended Host Side Connector
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Interface Signals
DRIVE INTERFACE SIGNALS
PIN
1
SIGNAL
RESET
DD 7
PIN
2
SIGNAL
GROUND
DD 8
3
4
5
DD 6
6
DD 9
7
DD 5
8
DD 10
9
DD 4
10
12
14
16
18
20
22
24
26
DD 11
11
13
15
17
19
21
23
25
DD 3
DD 12
DD 2
DD 13
DD 1
DD 14
DD 0
DD 15
GROUND
DMARQ
DIOW/STOP
OPEN
GROUND
GROUND
GROUND
DIOR/
-DMARDY
HSTROBE
27
IORDY/
28
CSEL
-DMARDY/-
DSTROBE
29
31
33
35
37
39
41
43
DMACK
INTRQ
DA1
30
32
34
36
38
40
42
44
GROUND
IOCS16
PDIAG
DA0
DA 2
CS0
CS1
DASP
GROUND
3.3V (MOTOR)
RESERVED
3.3V (LOGIC)
GROUND
Note: Symbol () in front of signal indicates negative logic.
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