Eurotech Appliances Computer Accessories COM 1460 User Manual

EmbeddedDNA ®  
COM-1460  
User’s Manual  
Rev. 1.0  
Sep. 2002  
COPYRIGHT 1994-2002 Eurotech S.p.A. All Rights Reserved.  
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PC/104-Plus – COM-1460 Module  
3
Conventions  
The following table lists conventions that are used throughout this guide.  
Icon  
Notice Type  
Description  
Important features or  
instructions  
Information note  
Information to alert you to  
potential damage to a program,  
system or device or potential  
personal injury  
Warning  
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Contents  
Conventions.................................................................................................................................................... 3  
Contents............................................................................................................................................................ 5  
Chapter 1 Product Overview....................................................................................................................... 7  
COM-1460 module’s functional blocks........................................................................................................... 8  
Product Definition ........................................................................................................................................... 8  
COM-1460 PC/104-Plus Module characteristics..................................................................................... 8  
Chapter 2 Jumper Description.................................................................................................................... 9  
Jumper Layout and Configuration ................................................................................................................ 10  
Chapter 3 Connectors Description........................................................................................................... 13  
Connectors Layout ....................................................................................................................................... 14  
J1, J2 for the ISA Bus and J3 for the PCI Bus ............................................................................................. 15  
The ISA BUS.......................................................................................................................................... 15  
The PCI BUS ......................................................................................................................................... 15  
How to connect the COM-1460 to other PC/104 & PC/104-Plus devices: the stack assembly ............ 15  
J7, J8, J9 for Firewire ................................................................................................................................... 17  
J10 for Main Power....................................................................................................................................... 17  
Chapter 4 Troubleshooting....................................................................................................................... 19  
Common Problems and Solutions................................................................................................................ 20  
Troubleshooting a PC/104-Plus System ...................................................................................................... 20  
Technical/Sales Assistance.......................................................................................................................... 20  
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6
PC/104-Plus – COM-1460 Module  
Returning For Service................................................................................................................................... 21  
Appendix......................................................................................................................................................... 25  
A.1  
Electrical and Environmental Specifications...................................................................................... 26  
Operating Characteristics ...................................................................................................................... 26  
Absolute Maximum Ratings................................................................................................................... 26  
MTBF ..................................................................................................................................................... 27  
A.2  
A.2  
Mechanical Dimensions..................................................................................................................... 28  
Module Dimensions ............................................................................................................................... 28  
Safety Summary................................................................................................................................ 29  
Ground the Instrument........................................................................................................................... 29  
Do Not Operate in an Explosive Atmosphere........................................................................................ 29  
Keep Away From Live Circuits............................................................................................................... 29  
Use Caution When Exposing or Handling the CRT............................................................................... 29  
Do Not Substitute Parts or Modify Equipment....................................................................................... 29  
Observe Dangerous Procedure Warnings............................................................................................. 29  
Flammability........................................................................................................................................... 29  
EMI Caution ........................................................................................................................................... 30  
CE Notice............................................................................................................................................... 30  
Disclaimer of Warranty .......................................................................................................................... 30  
Notice..................................................................................................................................................... 30  
Reliability................................................................................................................................................ 30  
Life Support Policy................................................................................................................................. 30  
Glossary.......................................................................................................................................................... 31  
Acronyms and Abbreviations....................................................................................................................... 37  
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Chapter 1 Product Overview  
The COM-1460 is a PC/104-Plus module with 3 Firewire channels.  
For a complete list of Eurotech products please go to our web site: http://www.eurotech.it/  
In the following paragraphs you will find a description of the COM-1460 characteristics.  
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8
PC/104-Plus – COM-1460 Module  
COM-1460 module’s functional blocks  
The figure below shows the functional blocks diagram of the module.  
Firewire3 Firewire2 Firewire1  
CTR-1460  
Module  
Physical  
Interface  
TSB41LV03A  
PCI BUS  
ISA BUS  
(For signal pass  
through only)  
Link  
Interface  
PCI4450  
Figure 1. Functional blocks of the COM-1460 module  
Product Definition  
COM-1460 PC/104-Plus Module characteristics  
PC/104-Plus Form Factor: 90 X 96 mm (3.6”X3.8”), height 15 mm (0.6”)  
PCI/ISA compliant with the PC/104-Plus standard  
3 Firewire connectors  
1 External Power Connector  
Low power consumption.  
High reliability.  
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Chapter 2 Jumper Description  
This chapter shows the jumpers layout and explains how to set up the jumpers.  
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10  
PC/104-Plus – COM-1460 Module  
Jumper Layout and Configuration  
The figure below shows the jumper layout of the COM-1460 module.  
In the figure below, the jumpers are indicated as JP followed by the jumper's number, while pin 1 of every  
three pin jumper is indicated by a red square pad.  
JP3  
JP1  
JP2  
JP5  
JP4  
Figure 2. Jumpers on the COM-1460 module  
The following jumpers are located on the module:  
Three 2-pin jumpers which can be set as follows:  
pin 1 and pin 2 not connected (which will be indicated as ‘Open’)  
pin 1 connected to pin 2 (which will be indicated as ‘Closed’)  
= Open  
= Closed  
Two 3-pin jumpers which can be set as follows:  
= 1-2  
pin 1 connected to pin 2 (which will be indicated as ‘1-2’)  
pin 2 connected to pin 3 (which will be indicated as ‘2-3’)  
no pins connected (Open). This setting is not allowed  
= 2-3  
= Open  
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PC/104-Plus – COM-1460 Module  
11  
The following table provides a quick cross-reference for them.  
Table 1.  
Jumpers Function  
Function  
JP  
Type  
Default  
2-3  
Power supply for physical interface  
1-2: Reserved  
2-3: Power supply comes from J10  
3 pin  
jumper  
JP1  
JP2  
JP3  
2pin  
jumper  
GND to GND_A  
JP2 must be left open  
Open  
1-2  
Setting for Bus Manager Contender (BMC) state at reset  
1-2: Not Bus Manager Contender  
3 pin  
jumper  
2-3: Bus Manager Contender  
JP4  
JP5  
Slot #*  
Open  
-
Open  
2 pin  
jumper  
JP4-JP5  
JP4 must be left  
open  
JP5 must be left  
open  
Put COM-1460 on  
the top of the stack  
* Two jumpers (JP4 and JP5 in this case) are located on every PC/104-Plus peripheral module,  
and are used to set the module’s Slot number. The module closest to the CPU Module starts  
with Slot 0. Because in the stack no more than four modules are supported (in addiction to the  
CPU module) the allowed values are only: 0, 1, 2 and 3. COM-1460 is normally put on the top of  
the stack.  
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Chapter 3 Connectors Description  
This chapter provides a brief description of the COM-1460 module’s connectors, with their positions and  
functions.  
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14  
PC/104-Plus – COM-1460 Module  
Connectors Layout  
The following figure shows the connectors with their layout and describes their function.  
J9  
J8  
J7  
Firewire Firewire Firewire  
J10  
Main Power  
J1  
J2  
J3  
PCI BUS  
Figure 3. Connectors layout  
Note: in the above figure, a red square pad indicates pin 1 of each connector.  
The table below lists the name of the connectors with their function and the reference page.  
Table 2.  
Connector Functions  
Function  
Connector  
Pag.  
15  
J1-J2  
J3  
ISA BUS  
PCI BUS  
15  
J7  
Firewire 1  
Firewire 2  
Firewire 3  
Main Power  
17  
J8  
17  
J9  
17  
J10  
17  
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PC/104-Plus – COM-1460 Module  
15  
J1, J2 for the ISA Bus and J3 for the PCI Bus  
The ISA BUS  
Connectors J1 and J2 carry the signals for the ISA Bus.  
The ISA BUS signals are not used from the COM-1460. The only function of the ISA connector is the  
“passing-through” of the signals, and giving compatibility to the stack assembly.  
Below is shown a picture of the ISA BUS  
J1  
J2  
Figure 4. ISA BUS layout  
According to PC/104 specifications: “Key” locations - consisting of plugged holes in the upper side and  
omitted pins in the lower side - have been designated on each bus connector (on J1 and J2), to help assure  
proper connector mating.”  
The PCI BUS  
Connector J3 carries signals of the PCI Bus. The PCI Bus mechanical interface is a stackable 30x4 header.  
This interface carries all of the required PCI signals per PCI Local Bus Specification Version. 2.1.  
In the following page is shown a picture of the PCI BUS  
J3  
PCI BUS  
Figure 5. PCI BUS layout  
For further information about the ISA bus and the PCI bus please refer to Eurotech web site  
How to connect the COM-1460 to other PC/104 & PC/104-Plus devices: the stack  
assembly  
The ISA Bus connectors of the module are designed to allow the connection onto a stack of other PC/104  
and/or PC/104-Plus devices.  
We recommend you follow the procedure described below to ensure that stacking of the modules does not  
damage connectors or electronic parts.  
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16  
PC/104-Plus – COM-1460 Module  
1. Turn off power to the PC/104-Plus system or stack.  
2. Select and install standoffs to properly position the module on the PC/104-Plus stack.  
3. Touch a grounded metal part of the rack to discharge any buildup of static electricity.  
4. Remove the module from its anti-static bag.  
5. Check that keying pins in the bus connector are properly positioned.  
6. Check the stacking order; make sure an XT bus card will not be placed between two AT bus cards or it  
will interrupt the bus’s signals.  
7. Hold the module by its edges and orient it so that the bus connector pins line up with the matching  
connector on the stack.  
8. Press the module evenly onto the PC/104-Plus stack.  
9. Verify that all the connections are properly made  
10. Switch on the power  
If standard PC/104 modules are used in the stack, they must be the top module(s) because they will  
normally not include the PCI bus.  
The following picture shows an example of a module stack with 2 PC/104-Plus modules, 1 PC/104 16-BIT  
module, and 1 PC/104 8-BIT module.  
The maximum number of PC/104-Plus modules is 4 plus the (PC/104-Plus compliant) CPU board.  
If standard PC/104 modules are used in the stack, they must be the top module(s) because they will  
normally not include the PCI bus.  
If the CPU is PC/104 compliant you can only stack PC/104 modules and use only the ISA buses  
on the Backplane. If the CPU is PC/104-Plus compliant you can stack both PC/104 and PC/104-  
Plus modules and use both PCI and ISA buses on the Backplane.  
Stackthrough  
8-bit module  
0.435 in. (11 mm)  
0.6 in. (15mm) Spacers (4 plcs.)  
0.6 in. (15 mm)  
Stackthrough  
16-bit module  
0.6 in. (15mm) Spacers (4 plcs.)  
Stackthrough  
PC/104Plus module  
0.100 in. (2.54 mm)  
0.062 in. (1.57 mm)  
0.6 in. (15mm) Spacers (4 plcs.)  
Non-Stackthrough  
PC/104Plus module  
Figure 6.  
The Module Stack  
Do not force the module onto the stack! Wiggling the module or applying too much pressure  
may damage it. If the module does not readily press into place, remove it, check for bent pins  
or out-of-place keying pins, and try again.  
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PC/104-Plus – COM-1460 Module  
17  
J7, J8, J9 for Firewire  
Each of the Firewire ports - compliant with the IEEE 1394 OHCI standard - is a high speed bus that supports  
data transfer rates up to 400Mbps (100/200/400 Mbps selectable) and delivers more than 30 times the  
bandwidth of the popular USB peripheral standard. Each of these ports can be used to connect up to 63  
external devices, support “hot plug-and-play” and provide power supply to peripherals through an internal  
DC/DC converter (that is specifically used to isolate power between the physical layer and the host  
computer). The Firewire bus is Power Class 1.  
J9  
J8  
J7  
Firewire3 Firewire2 Firewire1  
Figure 7.  
Firewire ports  
J10 for Main Power  
J10 is a 4-pin with 2.54-mm step connector that implements the Main Power supply function.  
You must provide power to the COM-1460 module before using the Firewire ports.  
J10  
Main Power  
Figure 8.  
Main Power connector  
J10 connector pinout  
The connector pinout is given below.  
Table 3.  
Pin  
1
Signal  
+8 - +40V  
GND  
2
3
GND  
4
-
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Chapter 4 Troubleshooting  
Many problems that you may encounter with your COM-1460 module are due to common errors such as bad  
(cable) connections or incorrect settings in the Setup Program.  
This chapter will help you attain proper system operation.  
It contains:  
Common problems and solutions  
Troubleshooting a PC/104-Plus system  
How to obtain technical support  
How to return a product  
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20  
PC/104-Plus – COM-1460 Module  
Common Problems and Solutions  
The following table lists some of the common problems that you may encounter using your COM-1460  
module, and suggests possible solutions. If you have problems with your COM-1460 module, please review  
this table before contacting technical support.  
Table 4.  
Common problems and solutions  
COM-1460 Module doesn’t work  
No power or wrong polarity  
Check for correct power on PC/104 and PC/104-Plus bus connectors  
Defective or mis-connected device Check for misaligned bus connectors, remove other cards from stack  
on bus  
Cable connected backwards  
Verify all cables are connected properly  
Troubleshooting a PC/104-Plus System  
If you have reviewed the preceding table and still cannot isolate the problem with your COM-1460 module,  
please try the following troubleshooting steps. Even if the resulting information does not help you find the  
problem, it will be very helpful when contacting technical support.  
Simplify the system. Remove items one at a time and see if one particular item seems to cause the  
problem.  
Swap components. Try replacing items in the system one-at-a-time with similar items.  
Technical/Sales Assistance  
If you have a technical question, please call Eurotech Customer Support Service at one of the numbers  
below, or e-mail our technical support team at:  
Phone: +39-0433-485 411  
Fax: +39-0433-485 499  
If you have a sales question, please contact your local Eurotech Sales Representative or the Regional Sales  
Office for your area.  
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PC/104-Plus – COM-1460 Module  
21  
Visit the Eurotech web site for additional and current information:  
and then select the DownLoad Area  
Old and new versions of manuals, application notes, patches, drivers and BIOS files can be found at:  
Returning For Service  
Before returning any of Eurotech's products, you must call Eurotech Technical Support at +39-0433-485411  
or fill in and send (by Fax: +39 0433 485499 or mailto:[email protected]) the “Repair Order Module” to  
obtain a Returned Material Authorization (RMA) number. The Module will be returned to you with the RMA  
number for enclosure with the returned products.  
Note. You must have the RMA number in order to return any product for any reason!  
The following information is needed to expedite the shipment of a replacement to you:  
Your company name and address for invoice  
Shipping address and phone number  
Product I.D. number  
The name of a technically qualified individual at your company familiar with the mode of failure on the  
board  
A detailed description of the problem and of the current configuration including OS and software loaded.  
If the unit is out of warranty, service is available at a pre-established service charge. Contact Eurotech for  
pricing and please supply a purchase order number for invoicing the repair.  
Pack the board in an anti-static material and ship it in a sturdy cardboard box with enough packing material  
to adequately cushion it.  
Warning! Any product returned to Eurotech improperly packed will immediately void the warranty for  
that particular unit!  
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Repair Order Module  
For order repair or replacement of a defective Eurotech product, please complete this document.  
Don’t write anything into the space to the left. Your Return Material Authorization  
number will be assigned by Eurotech Technical Support  
RMA:  
Company Name:  
Division:  
Contact Name:  
Telephone:  
Fax:  
Email:  
Product name or  
model:  
Serial Number:  
O.S. Used:  
Problem description  
In accordance with the Limited warranty on this product, Eurotech or its representative will, at its option,  
determine whether the defective product will be repaired or replaced. If the warranty has expired, or if the  
product does not qualify for warranty service, you will be billed a service fee.  
Notes:  
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Appendix  
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26  
PC/104-Plus – COM-1460 Module  
A.1 Electrical and Environmental Specifications  
The following section provides tables and illustrations showing the electrical, mechanical and environmental  
specifications for the COM-1460 module.  
In the following tables you will find:  
Operating Characteristics  
Electrical operating characteristics  
Operating temperature range  
Absolute maximum ratings  
MTBF  
Operating Characteristics  
Electrical Operating Characteristics  
The board needs the following voltages to operate properly:  
PCI/104-Plus +5V  
External Power +8V - +40V (usually +12V)  
Current Draw: 450mA @+5V (max)  
Note. This module is not warranted against damage caused by overheating due to improper or  
insufficient cooling or airflow.  
Operating Temperature Range  
For proper operation of the module, the ambient air temperature must remain inside this range:  
0°C to +60°C (+32°F to +140°F).  
Absolute Maximum Ratings  
Table 5.  
Absolute Maximum Ratings  
Vcc: 0.00 to 7.00V  
Supply Voltage:  
Storage Temperature Range:  
-40°C to +85°C (-40°F to +185°F)  
<95% at 40°C (+104°F)  
Non-Condensing Relative Humidity:  
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PC/104-Plus – COM-1460 Module  
27  
The module with extended Operating Temperature Range, –40°C to +85°C (-40°F to 185°F), version is also  
available.  
Warning! Stressing the device beyond the “Absolute Maximum Ratings” may cause permanent  
damage. These are stress ratings only. Operation beyond the “Operating Conditions” is not  
recommended. Extended exposure beyond the “Operating Conditions” may affect device  
reliability.  
MTBF  
Hours: 795110.3  
Standard: MIL-HDBH-217  
Condition: GB25  
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28  
PC/104-Plus – COM-1460 Module  
A.2 Mechanical Dimensions  
Module Dimensions  
The COM-1460 module’s mechanical dimensions are shown in the following picture:  
Dimensions: 90 X 96 mm (3.6”X3.8”), height 15 mm (0.6”)  
6.1  
18.5  
12.1  
12.1  
12.1  
8.0  
5.1  
5.1  
Ø 6.4 PAD  
Ø 3.2 HOLE  
5.1  
96.0  
Dimensions are in millimeters  
Figure 9.  
COM-1460 Board dimensions  
Note: For further information about the mechanical dimensions of ISA and PCI buses please  
refer to the PC/104 consortium site (www.pc104.org)  
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PC/104-Plus – COM-1460 Module  
29  
A.2 Safety Summary  
The following general safety precautions must be observed during all phases of operation, service, and  
repair of this equipment. Failure to comply with these precautions or with specific warnings elsewhere in this  
manual violates safety standards of design, manufacture, and intended use of the equipment. Eurotech SpA  
assumes no liability for the customer’s failure to comply with these requirements.  
The safety precautions listed below represent warnings of certain dangers of which Eurotech is aware. You,  
as the user of the product, should follow these warnings and all other safety precautions necessary for the  
safe operation of the equipment in your operating environment.  
Ground the Instrument  
To minimize shock hazard, the equipment chassis and enclosure must be connected to an electrical ground.  
The equipment is supplied with a three-conductor ac power cable; the power cable must be plugged into an  
approved three-contact electrical outlet, with the grounding wire (green) firmly connected to an electrical  
ground (safety ground) at the power outlet. The power jack and mating plug of the power cable meet  
International Electro technical Commission QEC) safety standards.  
Do Not Operate in an Explosive Atmosphere  
Do not operate the equipment in the presence of flammable gases or fumes. Operation of any electrical  
equipment in such an environment constitutes a definite safety hazard.  
Keep Away From Live Circuits  
Operating personnel must not remove equipment covers. Only Factory Authorized Service Personnel or  
other qualified maintenance personnel may remove equipment covers for internal subassembly or  
component replacement or any internal adjustment. Do not replace components with power cable  
connected. Under certain conditions, dangerous voltages may exist even with the power cable removed. To  
avoid injuries, always disconnect power and discharge circuits before touching them.  
Use Caution When Exposing or Handling the CRT  
Breakage of the Cathode-Ray Tube (CRT) causes a high-velocity scattering of glass fragments (implosion).  
To prevent CRT implosion, avoid rough handling or jarring of the equipment. Only qualified maintenance  
personnel using approved safety mask and gloves should handle the CRT.  
Do Not Substitute Parts or Modify Equipment  
Because of the danger of introducing additional hazards, do not install substitute parts or perform any  
unauthorized modification of the equipment. Contact Eurotech technical staff or your local representative for  
service and repair to ensure that safety features are maintained.  
Observe Dangerous Procedure Warnings  
Warnings, such as the example below, precede potentially dangerous procedures throughout this manual.  
Instructions contained in the warnings must be followed. You should also employ all other safety  
precautions, which you deem necessary for the operation of the equipment in your operating environment.  
Flammability  
All Eurotech PWBs (printed wiring boards) are manufactured by UL-recognized manufacturers, with a  
flammability rating of UL-V0.  
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30  
PC/104-Plus – COM-1460 Module  
EMI Caution  
This equipment generates, uses and can radiate electromagnetic energy. It may cause or be susceptible to  
electromagnetic interference (EMI) if not installed and used in a cabinet with adequate EMI protection.  
CE Notice  
This product complies with the EMC Directive (89/336/EEC). Compliance with this directive implies  
conformity to the following European Norms:  
EN55022 (CISPR 22) Radio Frequency Interference  
EN50082-1 (IEC801-2, IEC801-3, IEC801-4) Electromagnetic Immunity  
The product also fulfills EN60950 (product safety), which is essentially the requirement for the Low Voltage  
Directive (73/23/EEC).  
This product was tested in a representative system to show compliance with the above-mentioned  
requirements. A proper installation in a CE-marked system will maintain the required EMC/safety  
performance.  
Disclaimer of Warranty  
THIS MANUAL IS PROVIDED ’AS IS’ WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR  
IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY  
AND FITNESS FOR A PARTICULAR PURPOSE. The laws of some states and countries do not allow the  
disclaimer of express or implied warranties in certain transactions; therefore, this statement may not apply to  
you. As such, the above warranty disclaimer shall only apply to the extent permitted by law.  
Notice  
While reasonable efforts have been made to assure the accuracy of this document, Eurotech S.p.A.  
assumes no liability resulting from any omissions in this document, or from the use of the information  
contained therein. It is not warranted that the contents of this publication or any accompanying source code  
examples, whether individually or as one or more groups, will meet your requirements or that the publication  
or the accompanying source code examples are error-free. This publication could include technical  
inaccuracies or typographical errors.  
Eurotech reserves the right to revise this document and to change its contents at any time without obligation  
to notify any person of such revision or changes.  
Any reference to a licensed program in this publication is not intended to state or imply that you can use only  
that licensed program. You can use any functionally equivalent program instead.  
No part of this material may be reproduced or copied in any tangible medium, or stored in a retrieval system,  
or transmitted in any form or by any means, radio, electronic, mechanical, photocopying, recording or  
facsimile, or otherwise, without the prior written permission of Eurotech S.p.A.  
Reliability  
Eurotech has taken extra care of product design in order to ensure reliability. The two major ways in which  
reliability is achieved are:  
The product is designed in top-down method, utilizing the latest in hardware and software  
techniques, so unwanted side effects and improper interactions between parts of the system are  
eliminated.  
Eurotech tests each board by exercising its functions, burns it in under power, and retests it to  
ensure that the infant mortality phase is passed before the product is shipped.  
Life Support Policy  
Eurotech products are not authorized for use as critical components in life support devices or systems  
without the express written approval of the president of Eurotech S.p.A.  
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Glossary  
A
ATA  
Advanced Technology Attachment, is a disk drive implementation integrating the controller on the disk drive.  
There are several versions of ATA:  
ATA: Known also as IDE, supports one or two hard drives, a 16-bit interface and PIO modes 0, 1  
and 2.  
ATA-2: Supports faster PIO modes (3 and 4) and multiword DMA modes (1 and 2). Also supports  
Logical Block Addressing (LBA) and block transfers. ATA-2 is marketed as Fast ATA and Enhanced  
IDE (EIDE).  
ATA-3: Minor revision to ATA-2.  
Ultra-ATA: Also called Ultra-DMA, ATA-33, and DMA-33, supports multiword DMA mode 3 running  
at 33 MBps.  
ATA/66: A new version of ATA, that will double ATA's throughput to 66 MBps  
ATAPI  
Short for AT Attachment Packet Interface, an extension to EIDE that enables the interface to support CD-  
ROM players  
B
BIOS  
Basic I/O system. A set of routines that works closely with the hardware to support the transfer of information  
between elements of the system, such as memory, disks, and the monitor. Although critical to performance,  
the BIOS is usually invisible to the end user; however, programmers can access it.  
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32  
PC/104-Plus – COM-1460 Module  
C
CPU  
CPU (Central Processing Unit) is the heart (computational and control unit) of a computer.  
This device interprets and executes instructions.  
CVBS  
CVBS Composite Video Broadcasting Signal  
D
DMA  
The Direct Memory Access is a technique for transferring data from the memory to a device. Data doesn’t  
pass through the CPU.  
DEVICE  
It is any circuit performing a specific function.  
E
ECP  
Extended Capabilities Port. An asynchronous, 8-bit–wide parallel channel defined by IEEE 1284-1944 that  
provides PC-to-peripheral and peripheral-to-PC data transfers.  
EEPROM  
EEPROM (also known as E2PROM) stands for Electronic Erasable Programmable ROM.  
This type of memory can be re-programmed by electronic signals.  
EPROM  
EPROM stands for Erasable Programmable ROM.  
This type of memory can only be erased by ultra-violet (UV) light.  
ETHERNET  
It is a type of Local Area Network (LAN) architecture. Ethernet supports data transfer rates of 10Mbps.  
A newer version of Ethernet, called Fast Ethernet (or 100Base-T), supports data transfer rates of 100 Mbps.  
And the newest version, Gigabit Ethernet supports data rates of 1 Gbit (1000 megabits) per second.  
F
FDC  
Floppy Disk Controller. A special-purpose chip and associated circuitry that directs and controls reading from  
and writing to a computer’s disk drive.  
FIFO  
First in/first out. A method for processing a queue in which items are removed in the same order in which  
they were added.  
Flash ROM  
Flash ROM (like EEPROM) can be re-programmed by electronic signals. Usually a Flash ROM has a  
capacity of 1MB.Into this memory usually resides BIOS and other useful programs or instructions.  
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PC/104-Plus – COM-1460 Module  
33  
Firewire  
Firewire is a high speed bus that supports data transfer rates up to 400Mbps (100/200/400 Mbps selectable)  
and delivers more than 30 times the bandwidth of the popular USB peripheral standard.  
H
HDC  
Hard Disk Controller is a special-purpose chip and circuitry that directs and controls reading from and writing  
to a computer’s disk drive.  
I
IDE  
Integrated Device Electronics is a disk drive interface where the controller electronics reside on the drive  
itself. This allows elimination of the need for a separate adapter card.  
IEEE  
IEEE stands for Institute of Electrical and Electronics Engineers, pronounced “I-triple-E.” Founded in 1963,  
IEEE is an organization composed of engineers, scientists, and students. IEEE is best known for developing  
standards for the computer and electronics industry.  
I/O  
I/O (Input/output). Two of the three activities that characterize a computer (input, processing, and output).  
Refers to the complementary tasks of gathering data for the microprocessor to work with and making the  
results available to the user through a device such as the display, disk drive, or printer.  
IRQ  
IRQ (Interrupt ReQuest). A method by which a device can request to be serviced by the device’s software  
driver. The system board uses a PIC to monitor the priority of the requests from all devices. When a request  
occurs, a microprocessor suspends the current operation and gives control to the device driver associated  
with the interrupt.  
ISA  
ISA (Industry Standard Architecture) is an 8-bit / 16-bit bus that provides a buffered interface from devices on  
expansion cards to the PC internal bus.  
L
LAN  
LAN (Local Area Network). A group of computers and other devices spanned over a relatively limited area  
(i.e. a single building).  
LBA  
LBA (Logical Block Address). A unit of data supplied or requested by a host computer.  
M
MIDI  
MIDI (Musical Instrument Digital Interface). An industry-standard connection for computer control of musical  
instruments and devices. A hardware and data standard for communicating between hardware. Most  
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34  
PC/104-Plus – COM-1460 Module  
references involve only the data standard, which is a byte stream used for controlling musical instruments  
and storing the output of such instruments.  
MPEG  
MPEG (Moving Picture Expert Group). Refers to one of several standard video-compression schemes. A  
CODEC for squeezing full-screen, VHS-quality digital video into a small data stream so that it can be played  
from a CD-ROM drive.  
N
NDIS  
NDIS (Network Driver Interface Specification). The interface for network drivers used in Windows and  
Windows NT operating systems. NDIS provides a common mechanism by which any given NDIS-compatible  
transport driver can communicate with any NDIS-compatible network adapter driver. Moreover, it provides for  
multiple transports to work over multiple network adapters by supporting multiplexing between transports and  
drivers.  
NMI  
NMI (Nonmaskable Interrupt). An interrupt that cannot be overruled by another service request. A hardware  
interrupt is called nonmaskable if it cannot be masked by the processor interrupt flag.  
NTSC  
NTSC (National Television System Committee) of the Electronics Industries Association (EIA). The  
standards-setting body for television and video in the United States. Sponsor of the NTSC standard for  
encoding colour, a coding system compatible with black-and-white signals and the first system used for  
colour broadcasting in the United States. The broadcast standard for the United States and Japan. See also  
PAL format and SECAM.  
O
OEM  
OEM stands for Original Equipment Manufacturer. This acronym is used primarily to refer to PC systems  
manufacturers.  
P
PCI  
PCI (Peripheral Component Interconnect) is a standard high-performance, 32-bit / 64-bit bus, designed to be  
used with devices that have high bandwidth requirements.  
PCMCIA  
PCMCIA (Personal Computer Memory Card International Association). Sometimes used to refer to a  
controller for a type of expansion card documented in the PCMCIA standards.  
PIO  
The Programmed Input/Output is a method of transferring data over the IDE interface. The other way is the  
Direct Memory Access (DMA)  
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PC/104-Plus – COM-1460 Module  
35  
R
RAM  
RAM (Random Access Memory). Semiconductor-based memory that can be read-from and written-to by the  
microprocessor or other hardware devices.  
ROM  
ROM stands for Read Only Memory. This memory can only be read-from but not written-to.  
S
SCSI  
SCSI stands for Small Computer System Interface. It is an I/O bus designed as a method for connecting  
several classes of peripherals to a host system without requiring modifications to generic hardware and  
software.  
SECAM  
SECAM (Sequential Couleur a Memoire; Sequential Colour with Memory). The television standard for  
France, Russia, and most of Eastern Europe. As with PAL, SECAM is based on a 50-Hz power system, but it  
uses a different encoding process and displays 819 horizontal lines per frame at a scan rate of 25 frames per  
second (50 fields per second). See also NTSC and PAL format.  
SMBus  
SMBus (System Management Bus). A two-wire interface based on the I²C protocol. The SMBus is a low-  
speed bus that provides positive addressing for devices, as well as bus arbitration.  
SSD  
SSD stands for Solid State Disk (i.e. Disk on Chip, Disk on Module, Flash ROM,).  
In fact this is not a real disk but a silicon support memory without mechanical parts that are in movement.  
U
UART  
UART (Universal Asynchronous Receiver/Transmitter), is a module composed of a circuit that contains both  
the receiving and transmitting circuits required for asynchronous serial communication.  
USB  
USB (Universal Serial Bus) is a 4-pin bi-directional, isochronous, dynamically attachable serial peripheral bus  
that is capable of cascading low/medium speed peripherals (less than 10 Mbit/s)  
V
VGA  
VGA Video graphics array. A video adapter that supports 640 × 480-pixel colour resolution. A video display  
standard for boot devices under Windows operating systems.  
W
WAN  
WAN stands for a wide-area network and it is a system of LANs (in geographically separated areas)  
connected together via telephone lines and/or radio waves.  
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Acronyms and Abbreviations  
APM  
ATA  
Advanced Power Management  
AT Attachment  
ATA Packet Interface  
Basic I/O System  
Composite Video Broadcasting Signal  
Direct Memory Access  
Error Correction Code  
Enhanced Capabilities Port  
Floppy Disk Drive Controller  
Floppy Disk Drive  
Hard Disk Drive controller  
Hard Disk Drive  
Integrated Device Electronics  
Institute for Electrical and Electronics  
Engineers, Inc.  
LPT  
LVD  
MB  
Mbps  
MHZ  
MPEG  
NIDS  
NTSC  
OEM  
PAL  
Line Printer  
Low Voltage Differential  
Megabyte  
Megabits per second  
Megahertz  
Moving Picture Expert Group  
Network Driver Interface Specification  
National Television System Committee  
Original Equipment Manufacturer  
Phase Alternation Line  
Peripheral Component Interconnect  
ATAPI  
BIOS  
CVBS  
DMA  
ECC  
ECP  
FDC  
FDD  
HDC  
HDD  
IDE  
PCI  
PCMCIA Personal Computer Memory Card  
International Association  
PIC  
IEEE  
Programmable Interrupt Controller  
Programmed I/O  
PIO  
I/O  
IP  
Input/Output  
Internet Protocol  
POST  
RAM  
Power-On Self Test  
Random Access Memory  
IRQ  
ISA  
KB  
Kbps  
KHz  
LAN  
LBA  
LCD  
Interrupt Request  
Industry Standard Architecture  
Kilobyte  
Kilobits per Second  
Kilohertz  
Local Area Network  
Logical Block Addressing  
Liquid Crystal Display  
RAMDAC RAM digital-to-analog converter  
SCSI  
SMBus  
TCP/IP  
Small Computer System Interface  
System Management Bus  
Transmission Control Provocol/Internet  
Protocol  
USB  
V
Universal Serial Bus  
Volts  
WAN  
Wide Area Network  
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38  
PC/104-Plus – COM-1460 Module  
Technical & Sales Assistance  
If you have a technical question, please contact the Eurotech Customer Support Service  
Old and new versions of manuals, application notes, patches, drivers and BIOS can be found at:  
If you have a sales question, please contact your local Eurotech Sales Representative or the Regional Sales  
Office for your area.  
Current and additional information is available at the Eurotech website, located at:  
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