Aaeon ETX-821 User manual

ETX CPU Module ETX-821
ETX-821
Onboard Intel®LV Pentium®M/
ULV Celeron®M Processor
ETX CPU Module
With LCD, Ethernet,
Audio, PCI, ISA
ETX-821 Rev. A Manual 1st Ed.
August 2005

ETX CPU Module ETX-821
i
Copyright Notice
This document is copyrighted, 2005. 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, or for any infringements upon the rights of third
parties that may result from its use.
The material inthis document is for product information only
and is subject to change without notice. While reasonable
efforts have been made in the preparation of this document to
assure its accuracy, AAEON assumes no liabilities resulting
from errors or omissions in this document, or from the use of the
information contained herein.
AAEON reserves the right to make changes in the product
design without notice to its users.

ETX CPU Module ETX-821
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Acknowledgments
All other products’name or trademarks are properties of their
respective owners.
lAward is a trademark of Award Software International, Inc.
lCompactFlash™is a trademark of the Compact Flash
Association.
lIntel® ,Pentium® M, and Celeron® M are trademarks of Intel®
Corporation.
lMicrosoft Windows®is a registered trademark of Microsoft Corp.
lITE is a trademark of Integrated Technology Express, Inc.
lIBM, PC/AT, PS/2, and VGA are trademarks of International
Business Machines Corporation.

ETX CPU Module ETX-821
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Packing List
Before you begin installing your card, please make sure that the
following materials have been shipped:
•1 ETX-821 CPU Module
•1 Quick Installation Guide
•1 CD-ROM for manual (in PDF format) and drivers
If any of these items should be missing or damaged, please
contact your distributor or sales representative immediately.

ETX CPU Module ETX-821
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Contents
Chapter 1 General Information
1.1Introduction.............................................................1-2
1.2Features..................................................................1-4
1.3Specifications..........................................................1-5
Chapter 2 Quick Installation Guide
2.1 Safety Precautions..................................................2-2
2.2 Location of Connectors and Jumpers.......................2-3
2.3 Mechanical Drawing................................................2-5
2.4 List of Connectors ...................................................2-7
2.5 ETX 1......................................................................2-8
2.6 ETX 2......................................................................2-9
2.7 ETX 3......................................................................2-10
2.8 ETX 4......................................................................2-11
Chapter 3 Award BIOS Setup
3.1 System Test and Initialization..................................3-2
3.2 Award BIOS Setup..................................................3-3
Chapter 4 Driver Installation
4.1 Installation...............................................................4-3
Appendix A Programming The Watchdog Timer
A.1 Programming.......................................................... A-2
A.2 IT8712 Watchdog Timer Initial Program ................. A-7

ETX CPU Module ETX-821
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Appendix B I/O Information
B.1 I/O Address Map................................................. B-2
B.2 1st MB Memory Address Map.............................. B-4
B.3 IRQ Mapping Chart............................................. B-5
B.4 DMA Channel Assignments ................................ B-5

ETX CPU Module ETX-821
Chapter 1 General Information 1-1
General
Information
Chapter
1

ETX CPU Module ETX-821
Chapter 1 General Information 1-2
1.1 Introduction
We are appreciating your purchase of AAEON's Embedded
Technology EXtended (ETX) product –the ETX-821.
Being an ETX compatible module, the ETX-821 was designed
specially to improve the quality and speed of your product
development. It will provide a more compact size and more
flexibility for your various applications.
The features of the ETX-821 are based on the Intel®Ultra Low
Voltage Celeron®M or LV Pentium®Mprocessor combined with
Intel®852/855 (GM/GME) and ICH4 chipsets. It has one 200-pin
SODIMM socket that allows a system memory capacity up to 1GB
with DDR SDRAM module. Hence, the ETX-821 can provide
common PC peripheral functions such as graphics, USB, serial,
parallel ports, keyboard/mouse, Ethernet, and IDE. The baseboard
designer can optimize exactly which and how these functions are
implemented physically.
All of AAEON's ETX modules have a standard form factor and a
standard connector layout that carry a specified set of signals. By
adopting this standardization, the designers can create a single
system of “baseboards” that can accept present and future ETX
modules. The baseboard designer can optimize exactly how each

ETX CPU Module ETX-821
Chapter 1 General Information 1 -3
of these functions is implemented physically. Designers can place
connectors precisely where needed for the application on a
baseboard designed to optimally fit a system’s packaging.
AAEON’s ETX system is your stepping-stone to a whole new world
of embedded product development. Once again, thank you for your
purchase of this AAEON product and we trust that your product
development will be swift, sure and successful!

ETX CPU Module ETX-821
Chapter 1 General Information 1-4
1.2Features
•Onboard Intel®Celeron®M 600MHz(w/o L2 on-die
cache, w/ 852GM), Celeron®M 1.3GHz(w/ 852GM)
and LV Pentium®M 1.1GHz(w/ 855GME)
•266MHz Memory Bus Supports One 200-pin DDR
SO-DIMM up to 1GB(852GM), 333MHz Memory Bus
Supports One 200-pin DDR SO-DIMM up to
1GB(855GME)
•Supports 2 Channel LVDS LCD and TV-out
•Supports 10/100Mbps Ethernet
•Supports AC97 Audio CODEC
•Supports 2 COM / 1 Parallel / 4 USB2.0