SOM-DB4400 ETX Development Board User's Manual
Copyright notice This document is copyrighted, 2001, by Advantech Co., Ltd. All rights are reserved. The original manufacturer reserves the right to make improvements to the products described in this manual at any time without notice. No part of this manual may be reproduced, copied, translated or transmitted in any form or by any means without the prior written permission of the original manufacturer. Information provided in this manual is intended to be accurate and reliable.
Version History June, 2002: SOM-DB4400 User's Manual 2nd edition (Part no. 2006440001) Corrected error on page 14: Sec. 2.5 Connector Location X3 and X4 reversed. September 2001, SOM-DB4400 User's Manual 1st edition (Part no.
Packing list Before you begin installing your card, please make sure that the following materials have been shipped: • 1 SOM-DB4400 ETX Development Board • CD-ROM or Disks for utility, drivers, including manual (in PDF format) • 1 warranty certificate If any of these items are missing or damaged, contact your distributor or sales representative immediately.
Contents CHAPTER 1 General Information .................................. 1 1.1 1.2 1.3 1.4 Introduction ......................................................................... 2 Specifications ....................................................................... 3 Safety precautions ............................................................... 4 Board layout: dimensions .................................................. 5 CHAPTER 2 Connecting Peripherals ........................... 7 2.1 2.2 2.3 2.
A.3 Floppy drive connector (CN8) ....................................... 28 A.4 IR connector (CN14) ....................................................... 29 A.5 S-Video connector (CN28) .............................................. 30 A.6 TV-out connector (CN28) ............................................... 30 A.7 24-bit Flat panel connector (CN31) ............................... 31 A.9 LCD Signal Mapping ....................................................... 32 A.10 Parallel Port connector (CN19) ...
CHAPTER 1 General Information This chapter provides background information for the SOM-DB4400.
1.1 Introduction With the SOM-DB4400 and its reference circuits, users may quickly test their specific SOM-ETX module and easily design their own solution boards for the SOM-ETX. Advantech’s new SOM-ETX is a form factor designed to increase efficiency and effectiveness in embedded systems. This product facilitates easier system design by eliminating expensive connectors and cumbersome adapter cables.
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1.3 4 Safety precautions Warning! Always completely disconnect the power cord from your chassis whenever you are working on it. Do not make connections while the power is on because sensitive electronic components can be damaged by the sudden rush of power. Only experienced electronics personnel should open the PC chassis. Caution! Always ground yourself to remove any static charge before touching the CPU card. Modern electronic devices are very sensitive to static electric charges.
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CHAPTER 2 Connecting Peripherals This chapter tells how to set up the SOMDB4400 hardware.
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2.2 Jumpers and connectors Connectors on the board link it to external devices such as hard disk drives, a keyboard or expansion bus connectors. In addition, the board has a number of jumpers that allow you to configure your system to suit your application.
Table 2-2: Jumpers Label J1 J2 J4 J5 J6 J7 Function System Function WatchDog Reset Clear RTC COM1, COM2 Voltage select COM1, COM2 Ring/Voltage select Select RS232 or RS485 or RS422 Select KB and MOUSE Table 2-3: J1: System Function Connector *: LOW ACTIVE Pin 1 3 5 7 9 11 13 15 17 19 10 Function PW LED PW LED PW LED GND KBLOCK* KBLOCK* GND PANSW* GND PANSW* NC NC GND SOM-DB4400 User's Manual Pin 2 4 6 8 10 12 14 16 18 20 Function +5V GND SPKB SPKA NC HDDLED HDDLED +5V NC FPRST* FPRST* GND
Table 2-4: J2: Watchdog Reset Clear RTC Close Pins 1-2 2-3 Function Reset Clear RTC Table 2-5: J4: COM1, COM2 Voltage select Close Pins 2-4 4-6 Close Pins 1-3 3-5 COM1 +5 V* + 12 V COM2 +5 V* + 12 V * default Table 2-6: J5: COM3, COM4 Ring/Voltage select Close Pins 2-4 4-6 Close Pins 1-3 3-5 COM3 Voltage Ring* COM4 Voltage Ring* * default Chapter 2 Connecting peripherals 11
Table 2-7: J6: RS-232, RS-485, RS-422 Select RS232* 5-6 7-9 8-10 13-15 14-16 RS485 3-4 9-11 10-12 15-17 16-18 * default 12 SOM-DB4400 User's Manual RS422 1-2 9-11 10-12 15-17 16-18
2.3 Setting jumpers You may configure your card to match the needs of your application by setting jumpers. A jumper is a metal bridge used to close an electric circuit. It consists of two metal pins and a small metal clip (often protected by a plastic cover) that slides over the pins to connect them. To "close" a jumper, you connect the pins with the clip. To "open” a jumper, you remove the clip. Sometimes a jumper will have three pins, labeled 1, 2 and 3.
2.4 Connector Locations The board has a number of connectors that allow you to configure your system to suit your application.
2.5 Pin Assignments (X1,X2,X3,X4 connectors) Please Refer to the SOM-ETX Design and Specification guide for pin assignment and description information. 2.6 Safety precautions Warning! Always completely disconnect the power cord from your board whenever you are working on it. Do not make connections while the power is on, because sensitive electronic components can be damaged by a sudden rush of power. Caution! Always ground yourself to remove any static charge before touching the board.
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CHAPTER 3 Connector Descriptions This chapter tells how to set up the SOMDB4400, including connecting peripherals, switches and indicators.
3.1 IDE hard drive connector (CN7) You can attach two IDE (Integrated Device Electronics) drives/ devices to the SOM-DB4400 through a EIDE connector (CN7). Connecting drives is done in a daisy-chain fashion and requires one or two cables, depending on the drive size. 2.5" drives need a 1 x 40-pin to 2 x 44-pin flat-cable connector. 3.5" drives use a 1 x 40pin to 2 x 40-pin cable. However, the required cables are not included in the SOM-DB4400 package.
3.2 CompactFlash disk interface (CN6) The CompactFlash socket is specially designed to prevent any incorrect installation of the CompactFlash disk card. When installing or removing the CompactFlash disk card, please make sure that the system power is off. The CompactFlash disk card is defaulted to drive E: in your system. 3.3 Floppy drive connector (CN8) You can attach up to two floppy drives to the the SOM-DB4400 onboard controller. The recommend drives are 3.5" drives.
If needed, connect the B: drive to the connectors in the middle of the cable as described as above. If your cable needs to be custom made, you can find the pin assignments for the board's connector in Appendix A. 3.4 Parallel port connector (CN19) Normally, the parallel port is used to connect to a printer. The SOMDB4400 includes a multi-mode (ECP/EPP/SPP) parallel port, accessed through 25-pin DB-25 connector. You will need an adapter cable if you use a traditional DB-25 connector.
3.5 PS/2 keyboard and mouse connector (CN29) The SOM-DB4400 board provides 2 PS/2 connectors for a PS/2 keyboard, the lower, and a PS/2 mouse, the upper, respectively. 3.6 IR header (CN14) The SOM-DB4400 provides an 5-pin IR header. To choose different transferring rate, Please refer its pin definition for further IR module installation. 3.7 Audio interfaces (CN3) The SOM-DB4400 provides three audio phone jack connectors includeMicrophone in (mono), Line in (stereo) and Line out (stereo).
3.9 Serial ports (CN13, CN15) The SOM-DB4400 offers two serial ports connection: one with DB15 connector (COM1,CN13) and the other is 10 -pin header (COM2, CN15) RS-232 signal output. These ports allow you to connect to any serial device (a mouse, printers, etc.) or communication network. Table 2-5: Serial port default settings Port COM1 COM2 Address 3E8, 3F8 2E8, 2F8 Interrupt IRQ4 IRQ3 Default 3F8 2F8 3.
3.10.5 Flat panel display connector for the SOM 144 module (CN31) When the SOM-ETX module, such as SOM-4450, installed on the SOM-DB4400 supports LCD display, the LCD signal will be connected to CN31. The pin assignments for CN31 can be found in Appendix A.
3.11 Ethernet RJ-45 connector and USB connector(C21) 3.11.1 Ethernet connector (CN21, the upper) When the SOM-ETX PCI module on the SOM-DB4400 is equipped with Ethernet feature, users may test such function from the SOMDB4400's RJ-45 Ethernet connector (CN21, the upper) 3.11.2 USB connector(CN21, the lower) The SOM-DB4400 board provides two USB (Universal Serial Bus) interfaces. The USB interfaces can be disabled in the system BIOS setup. 3.
APPENDIX A Pin Assignments This appendix contains information of a detailed or specialized nature.
A.1 ATX power connector (CN2) Table A-1: ATX power connector Pin 1 3 5 7 9 11 13 15 17 19 Pin Name 3.3 V GND GND GND + 5 VSB 3.3 V GND GND GND +5 V *low active 26 SOM-DB4400 User's Manual Pin 2 4 6 8 10 12 14 16 18 20 Pin Name 3.
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A.7 24-bit Flat panel connector (CN31) Table A-6: 24-bit LCD display connector (CN15) Pin 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 Note: Signal VDDSAFE5 GND VDDSAFE3 Vcon P0 P2 P4 P6 P8 P10 P12 P14 P16 P18 P20 P22 GND SHIFT CLOCK M N/C Pin 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 Signal VDDSAFE5 GND VDDSAFE3 GND P1 P3 P5 P7 P9 P11 P13 P15 P17 P19 P21 P23 GND FILM LP ENAVEE The model number of the CN15 and CN30 socket is DF13A-40DP-1.25V (Hirose Electric Co., Ltd.
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A.12 COM1 RS-232 serial port (CN13) 5 1 6 9 Table A-10: COM1 RS-232 serial port Pin 1 2 3 4 5 6 7 8 9 Signal DCD RxD TxD DTR GND DSR RTS CTS RI A.
A.14 Keyboard connnector (CN 29 lower) 6 5 4 3 2 1 Table A-12: Keyboard and mouse connector Pin 1 2 3 4 5 6 Signal KB Data N/C GND Vcc KB Clock N/C A.
APPENDIX B LVDS Connection This appendix contains information concerning the LVDS installation and pin assignments.
B.1 LVDS Introduction When you mention the impressive data rate of 400 Mbps at 15 meters for LVDS, you immediately realize how significant the differences are between analog and digital interfaces. There are several other factors other than significantly increased data transfer rate and image quality that make LVDS (Low-Voltage Differential Signaling) very attractive to industrial users.
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Connector X3 (VGA, LCD, Video, COM1, COM2, LPT/Floppy, Irda, Mouse, Keyboard) 40 Pin Number Signal Pin Number Signal 1 GND 2 GND 3 R 4 B 5 HSY 6 G 7 VSY 8 DDCK 9 N .C .
