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Summary of Contents for Advantech SOM-4475
- Page 1 SOM-4475 ETX Module Intel® Pentium® III/Celeron® SOM-ETX CPU Module with CPU, VGA/LCD/LVDS/LAN/ Audio Interface User's Manual...
- Page 2 Copyright notice This document is copyrighted, 2002, 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 trans- mitted in any form or by any means without the prior written permis- sion of the original manufacturer.
- Page 3 If any of these items are missing or damaged, contact your distributor or sales representative immediately. Additional Information and Assistance 1. Visit the Advantech web site at WWW.advantech.com where you can find the latest information about the product. 2. Contact your distributor, sales representative, or Advantech's customer service center for technical support if you need additional assistance.
- Page 4 Version History October, 2003 (manual no. 2000000038) SOM-4475 User’s Manual, Ed.1...
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Page 5: Table Of Contents
Contents Chapter 1 General Information........2 Introduction ................2 Specifications...............3 1.2.1 Standard System On Module functions.......3 1.2.2 VGA/flat panel Interface ..........4 1.2.3 Audio function............4 1.2.4 TV-out function ............4 1.2.5 PCI bus Ethernet interface..........5 1.2.6 Mechanical and environmental ........5 Board dimensions ...............6 Chapter 2 Connector Assignments ...... - Page 6 Appendix B System Assignments ......24 System I/O ports ...............24 Table B-1: System I/O ports ...............24 DMA channel assignments..........25 Table B-2: DMA channel assignments ............25 Interrupt assignments ............26 Table B-3: Interrupt assignments ...............26 1st MB memory map ............27 Table B-4: 1st MB memory map..............27...
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Page 7: Chapter 1 General Information
General Information This chapter gives background infor- mation on the SOM-4475 CPU System On Module. Sections include: • Introduction • Specifications • Board Dimensions... -
Page 8: Introduction
Chapter 1 General Information Introduction The SOM-4475 is an Intel Low Voltage Intel® Pentium® III/ Celeron® processor System On Module (SOM) with audio controller, a 4X AGP SVGA controller, a PCI 10/100Base-T Ethernet interface. Using an Intel PIII/Celeron processor, the SOM-4475 achieves quite good performance on the SOM-ETX CPU module. -
Page 9: Specifications
Parallel port is default use for designer, FDD interface hardware design is required to be modified, for detailed information, please refer to our website .http://service.advantech.com.tw/ • Infrared: One 115 Kbps infrared port, IrDA compliant • Serial port: two serial ports, COM 1: RS-232 and COM 2 : RS-232 (TTL Output) •... -
Page 10: Vga/Flat Panel Interface
• Audio interface: Microphone in, Line in, Line out 1.2.4 TV-out function • Chipset: VIA VT1621 • Supports NTSC, NTSC=EIA (Japan) and PAL TV formats • Provides Composite video and S-video outputs via RCA (composite) connector and S-video connetor SOM-4475 User's Manual... -
Page 11: Pci Bus Ethernet Interface
• Supports 640 x 480 and 800 x 600 input resolutions • Supports Windows © 95/98/NT and Windows XP drivers 1.2.5 PCI bus Ethernet interface • Chipset: REALTEK RTL8139 Ethernet controller • Ethernet interface: IEEE 802.3U compatible 100/10Base-T interface. Includes software drivers and boot ROM 1.2.6 Mechanical and environmental •... -
Page 12: Board Dimensions
Board dimensions Figure 1-1: SOM-4475 dimensions SOM-4475 User's Manual... - Page 13 Figure 1-2: SOM-4475 Top view Chapter 1 General Information...
- Page 14 SOM-4475 User's Manual...
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Page 15: Chapter 2 Connector Assignments
Connector Assignments and Descriptions This chapter tells how to set up the SOM- 4475 hardware. It includes instructions on connecting peripherals, switches and indicators. Make sure you read all the safety precautions before you begin the installation procedure. -
Page 16: Connector Locations
Chapter 2 Connector Assignments Connector Locations The board has a number of connectors that allow you to configure your system to suit your application. SOM-4475 Locating Connectors SOM-4475 User's Manual... -
Page 17: Pin Assignments For X1, X2, X3, X4 Connectors
Pin Assignments for X1/2/3/4 connectors Please refer to SOM-ETX Design and Specification Guide, Chap- ter 2 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. - Page 18 SOM-4475 User's Manual...
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Page 19: Chapter 3 Software Configuration
Software Configuration (optional for SOM-4475) This chapter details the software configu- ration information. It shows you how to configure the SOM-4475 card to match your application requirements. Sections include: • LCD display configuration • Connections for two standard LCDs... -
Page 20: Introduction
Chapter 3 Software Configuration Introduction The SOM-4475 system BIOS and custom drivers are located in a 256 KB, 32-pin Flash ROM. A single Flash chip holds the system BIOS and VGA BIOS. The display type can be configured via software. - Page 21 1. Apply power to the SOM-4475 application with a color TFT dis- play attached. This is the default setting for the SOM-4475 series. Make sure that the AWDFLASH.EXE and *.BIN files are located in the working drive. Note: Make sure that you do not run AWDFLASH.EXE while your system is operating in EMM386 mode.
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Page 22: Connections For Two Standard Lcds
Connections for two standard LCDs 3.4.1 Connections for Toshiba LTM10C042(640 x 480 TFT color LCD) Table 3-1: Connections for Toshiba LTM10C042 LTM10C042 SOM-4475 Name Name SHFCLK PD12 PD13 PD14 PD15 PD16 PD17 PD10 PD11 ENAB +5 V +5 V SOM-4475 User's Manual... -
Page 23: Connections For Toshiba Ltm12C275A (800 X 600 Tft Color Lcd)
3.4.2 Connections for Toshiba LTM12C275A (800 x 600 TFT color LCD) Table 3-2: Connections for Toshiba LTM12C275A LTM12C275A SOM-4475 Name Name 1 GND 2 NCLK SHFCLK 3 NC 4 NC 5 GND 6 R0 PD12 7 R1 PD13 8 R2... - Page 24 SOM-4475 User's Manual...
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Page 25: Appendix A Watchdog Timer
Programming the WatchDog Timer... - Page 26 The value range is from 01 (hex) to 3E (hex), and the related time interval is 1 sec. to 62 sec. Data Time Interval 1 sec. 2 sec. 3 sec. 4 sec. • • • • • • 62 sec. SOM-4475 User's Manual...
- Page 27 After data entry, your program must refresh the watchdog timer by rewriting the I/O port 443 (hex) while simultaneously setting it. When you want to disable the watchdog timer, your program should read I/O port 443 (hex). The following example shows how you might program the watch- dog timer in BASIC: REM Watchdog timer example program OUT &H443, data REM Start and restart the watchdog...
- Page 28 SOM-4475 User's Manual...
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Page 29: Appendix B System Assignments
System Assignments • System I/O ports • DMA channel assignments • Interrupt assignments • 1st MB memory map... - Page 30 Serial port 2 300-31F Ethernet** 360-36F LPT2 378-37F Parallel printer port 1 (LPT1) 380-38F SDLC, bisynchronous 2 3A0-3AF Bisynchronous 1 3B0-3BF Monochrome display 3C0-3CF Reserved 3D0-3DF Color/graphics monitor adapter 3F0-3F7 Diskette controller 3F8-3FF Serial port 1 Watchdog timer SOM-4475 User's Manual...
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Page 31: Dma Channel Assignments
B.2 DMA channel assignments Table B-2: DMA channel assignments Channel Function Available Available Floppy disk (8-bit transfer) Parallel** Cascade for DMA controller 1 Available Available Available ** Parallel port DMA default setting: DMA 3 Parallel port DMA select: DMA 1, 3 Appendix B System Assignments... -
Page 32: Interrupt Assignments
IRQ 10 Available IRQ 11 Reserved for watchdog timer IRQ 12 PS/2 mouse IRQ 13 INT from co-processor IRQ 14 Preliminary IDE IRQ 15 Secondary IDE for CompactFlash USB and Ethernet IRQ is automatically set by the system SOM-4475 User's Manual... -
Page 33: 1St Mb Memory Map
B.4 1st MB memory map Table B-4: 1st MB memory map Addr. range (Hex) Device F000h - FFFFh System ROM E000h - EFFFh Reserved for BIOS boot CC00h - DFFFh available C000h - CB00h VGA BIOS B800h - BFFFh CGA/EGA/VGA text B000h - B7FFh Reserved for graphic mode usage A000h - AFFFh... - Page 34 Display Chipset 5 Display modes 5 Display types 5 DMA channel assignments 27 IDE interface 3 Infrared 3 Interrupts 28 manual no iv NTSC 5 Packing list iii PAL 5 Power management 3 Programming the watchdog timer 22 SOM-4475 User's Manual...
- Page 35 S-video 5 Safety precautions 13 Serial port 3 System Chipset 3 System I/O ports 26 System memory 3 Toshiba LTM10C042 18 Toshiba LTM12C275A 19 TV-Out Chipset 5 VGA display configuration 16 VIA VT1621 5 Appendix B System Assignments...
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