Advantech SOM-4450 ETX User manual
SOM-4450 ETX
Module
NSGeode586-LevelSOM-ETX
CPUModulewithSVGA/LCD/
LVDS/LAN/SSDInterface
User's Manual
Copyright notice
This document is copyrighted, 2002, byAdvantech 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. However, the original
manufacturer assumes no responsibility for its use, nor for any
infringements upon the rights of third parties which may result from its
use.
Acknowledgements
SOM and DTOS are trademarks of Advantech Co., Ltd.
AMD is a trademark of Advanced Micro Devices, Inc.
Award is a trademark ofAward Software International, Inc.
Cyrixis atrademark ofCyrix Corporation.
IBM, PC/AT, PS/2 and VGAare trademarks of International Business
Machines Corporation.
Intel and Pentium are trademarks of Intel Corporation.
Microsoft Windows®is a registered trademark of Microsoft Corp.
RTLis atrademark of RealtekSemiconductor Co.,Ltd.
C&T is a trademark of Chips andTechnologies, Inc.
UMC is a trademark of United Microelectronics Corporation.
Winbond is a trademark of Winbond Electronics Corp.
STPC is a trademark ofSGS Thomson Corp.
For more information on this and other Advantech products, please
visitour websiteat:http://www.advantech.com
For technical support and service, please visit our support website at:
http://www.advantech.com/support
This manual is for the SOM-4450
PartNo.2006445001
2ND Edition Printed in Taiwan June 2002
Packing list
Before you begin installing your card, please make sure that the
following materials have been shipped:
• 1 SOM-4450SystemOn ModuleCPU module
• CD-ROMorDisks forutility, drivers, andmanual (in PDF format)
If any of these items are missing or damaged, contact your distributor
or sales representative immediately.
Version History
June,2002: SOM-4450User'sManual2ndedition (Partno. 2006445001)
Corrected error on page 10: Sec. 2.1 Connector Location X3 and X4
reversed.
September 2001, SOM-4450 User's Manual 1st edition (Part no.
2006445000)
Contents
Chapter 1 General Information ..................................... 1
1.1 Introduction....................................................................... 2
1.2 Specifications .................................................................... 3
1.2.1 Standard System On Module SBC functions ..............3
1.2.2 Local-bus VGA interface............................................3
1.2.3 Ethernet function ........................................................4
1.2.4 LVDS (Low Voltage Differential Signal) interface....4
1.2.5 Audio function ............................................................4
1.2.6 TV-out function ..........................................................4
1.2.7 SSD Support ...............................................................5
1.2.8 Mechanical and environmental ....................................5
1.3 Board dimensions ............................................................ 6
Chapter 2 Connector Assignments and Descriptions 9
2.1 Connector Locations ..................................................... 10
2.2 Pin Assignments for X1, X2, X3, X4 connectors ... 11
2.3 Safety precautions .......................................................... 11
CHAPTER 3 Software Configuration (optional) ........ 13
3.1 Introduction..................................................................... 14
3.2 Utility CD disk ................................................................ 14
3.3 VGA display software configuration ............................ 14
3.4 Connections for two standard LCDs........................... 16
3.4.1 Connections for 640 x 480 TFT color LCD .............16
3.4.2 Connections for 800 x 600 TFT color LCD ..............17
AppendixA Programming the Watchdog Timer ........ 19
A.1 Programming the watchdog timer ............................... 20
Appendix B System Assignments.............................. 23
B.1 System I/O ports ............................................................ 24
B.2 DMA channel assignments........................................... 25
B.3 Interrupt assignments ................................................... 26
B.4 1st MB memory map ..................................................... 27
Appendix C LVDS Connection ................................... 29
C.1 LVDS Introduction ......................................................... 30
C.2 LVDS Pin assingments .................................................. 31
Figures
Figure 1-1: SOM-4450 dimensions ...............................................................6
Figure 1-2: SOM-4450 Top view .....................................................................7
Figure 3-1: Contents of the SOM-4450 Series utility disk.............................14
Figure 3-2: BIOS VGA setup screen..............................................................15
Tables
Table B-1: System I/O ports ...........................................................................................24
Table B-2: DMA channel assignments ...........................................................................25
Table B-3: Interrupt assignments ...................................................................................26
Table B-4: 1st MB memory map......................................................................................27
CHAPTER
1
General Information
This chapter gives background informa-
tion on the SOM-4450 CPU System On
Module.
Sections include:
• Introduction
• Specifications
• Board Dimensions
2SOM-4450 User's Manual
1.1 Introduction
Advantech's SOM-ETX form factor System On Module provides a
scalable solution that meets customers' advanced CPU and application
development needs. The SOM-4450 incorporates a low power, fanless
GX1-300 MHz processor that has become the embedded integrators'
processor of choice. It uses a NS CS5530A chipset as its VGA/LCD
controller, with single 18 bit LVDS interface and 64-bit graphics engine.
The CS5530Adisplay controller (LCD and CRT display support) allows
sharp and clear LCD screen resolutions up to 1024 x 768 and CRT
resolutionsupto 1280x1024 @16 colors. Combinedwith the CS5530A
system chipset is a RealTek RTL 8139 ethernet chipset. It supports all
functions of an AT-compatible industrial computer. There is one
SODIMM socket that supports 16 MB to 128 MB synchronous
DRAM.Thesmall size(95 mm x114 mm)anduse offour high capacity
connectors based on the proven ETX form factor, allow the SOM-ETX
modules to be easily and securely mounted onto a customized solution
board or our standard SOM-DB4400 development board.
Many gains were made by using the Geode™ GX1 processor. The GX1
processor provides the lowest power consumption combined with
high speed 586 processing power. This GX1 processor also supports
most popular web plug-ins and leverages existing software and
hardware investments. Onboard features include an ethernet interface,
socket for CompactFlash™ card , Enhanced IDE interface capable of
Ultra DMA transfer protocol, one parallel port, two serial ports and a
PS/2 keyboard/mouse interface.
Chapter 1 General Information 3
1.2 Specifications
1.2.1 Standard System On Module SBC functions
•CPU:Onboard NSGeodeGX1-300MHz2.0 Vprocessor
•BIOS:Award256KB Flashmemory
•Systemmemory:One144-pinSO-DIMM socketaccepts 64~256MB
SDRAM.
•EnhancedIDEinterface:2EIDEchannelssupportup to4 IDE
devices. BIOS auto-detect, PIO Mode3 or Mode4, UDMA/33
transfer
•FDDinterface: Support one FDD share with Parallel Port
•Serialports:2 serialport interfacesCOM1: RS-232;COM2: RS-232
(TTL Output)
•Parallelport:One parallelport interface, supportsSPP/EPP/ECP
parallelmode
•Infraredport:One 115Kbps infraredport, IrDA1.0 compliant
•Keyboard/mouseconnector: Supports standard PC/ATkeyboard
and PS/2 mouse interface
•USBinterface:Two USBports compliantwith USB Spec.Rev.1.1
•Powermanagement: APM 1.2compliant
•Watchdog timer: 62 levels timer interval, reset to system. Jumperless
selection and software enable/disable
1.2.2 Local-bus VGA interface
•Chipset:NSCS5530A
•Displaymemory:1 ~4 MBshare memory,set inBIOS
•Displaytype:Supports CRT andTTL LCDs.Able to display both
CRT and flat panel simultaneously
4SOM-4450 User's Manual
•TTLLCD paneldisplaymode: Panelresolution supportsup to1024 x
768@18 bpp.Supports 18-bit TTLLCD panel
•CRTdisplaymode:Non-interlacedCRT monitorresolutions upto
1280x 1024@256colorsor 1024x 768@16 bpp
1.2.3 Ethernet function
•Chipset:REALTEKRTL8139Ethernetcontroller
•Ethernetinterface: IEEE802.3Ucompatible100/10Base-Tinterface.
Includes software drivers and boot ROM
1.2.4 LVDS (Low Voltage Differential Signal) interface
(SOM-4450FL only)
•Chipset:TISN75LVDS84
•Performance: 18 low-voltage TTL data channels plus clock-in and 3
low-voltage differential data channels plus clock-out. 3.3 V and 250
mW(typical).Meets ANSI/EIA/TIA-644
Note:LVDSonly onSOM-4450FL
1.2.5 Audio function
•Chipset:NSCS5530A
•Audiocontroller:AC97 version2.0 compliantinterface
•Audiointerface: Microphone in, Line in, CD audio in, Line out,
SpeakerL, SpeakerR
1.2.6 TV-out function
•Chipset:CHRONTELCH7003C
•Supports: NTSC,NTSC-EIA(Japan)andPALTVformats, provides
composite, S-video and SCART (optional) outputs via RCA(com-
posite) connector and S-video connector.
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