VIA Technologies EPIA-M Mini-ITX User manual

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Version 1.3
January 23, 2003
VIA
User’s Manual
VIA EPIA-M
Mini-ITX Mainboard

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Copyright
Copyright by VIA Technologies Inc. (“VIA”). No part of this manual
may be reproduced or transmitted in any form without express written
authorization from VIA.
Trademarks
All trademarks are the property of their respective holders.
Data protection
All data should be backed-up prior to the installation of any drive unit or
storage peripheral. VIA will not be responsible for any loss of data
resulting from the use, disuse or misuse of this or any other VIA product.
No Warranty
VIA has made every effort to ensure the accuracy of the content of
this manual. However, it is possible that it may contain technical
inaccuracies or typographical or other errors. VIA will assume no liability
for any inaccuracy found in this publication, nor for damages, direct,
indirect, incidental, consequential or otherwise, that may result from
such an inaccuracy, including without limitation loss of data or profits.
VIA provides this manual “as is”, and does not issue a warranty of any
kind, express or implied, including without limitation implied warranties
of merchantability or fitness for a particular purpose.
The information provided in this manual is subject to change without
notice. VIA reserves the right to alter product designs, layouts or drivers
without notification.

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FCC-B Radio Frequency Interference Statement
This equipment has been tested and found to comply with the limits for
a class B digital device, pursuant to part 15 of the FCC rules. These
limits are designed to provide reasonable protection against harmful
interference when the equipment is operated in a commercial
environment. This equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in accordance with
the instruction manual, may cause harmful interference to radio
communications. Operation of this equipment in a residential area is
likely to cause harmful interference, in which case the user will be
required to correct the interference at his own expense.
Notice 1
The changes or modifications not expressly approved by the party re-
sponsible for compliance could void the user’s authority to operate the
equipment.
Notice 2
Shielded interface cables and A.C. power cord, if any, must be used in
order to comply with the emission limits.
VOIR LA NOTICE D’INSTALLATION AVANT DE RACCORDER AU
RESEAU.
VIA EPIA-M Mini-ITX Mainboard
Tested to comply
with FCC Standard
For Home or Office Use

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Copyright Notice
We take every care in the preparation of this document, but no guaran-
tee is given as to the correctness of its contents. Our products are
under continual improvement and we reserve the right to make changes
without notice.
Trademarks
All trademarks used in this manual are the property of their respective
owners.
PS/2 and OS/2 are registered trademarks of IBM Corporation.
Windows 95/98/98SE/ME/2000/NT and Windows XP are registered
trademarks of Microsoft.
Netware is a registered trademark of Novell.
Award is a registered trademark of Award Software Inc.

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NOTE
1. Always read the safety instructions carefully.
2. Keep this User’s Manual for future reference.
3. Keep this equipment away from humidity.
4. Lay this equipment on a reliable flat surface before setting it up.
5. The openings on the enclosure are for air convection hence pro-
tects the equipment from overheating. DO NOT COVER THE OPEN-
INGS.
6. Make sure the voltage of the power source and adjust properly 110/
220V before connecting the equipment to the power inlet.
7. Place the power cord in such a way that people cannot step on it.
Do not place anything over the power cord.
8. Always unplug the power cord before inserting any add-on card or
module.
9. All cautions and warnings on the equipment should be noted.
10. Never pour any liquid into the opening. Liquid can cause damage
or electrical shock.
11. If any of the following situations arises, get the equipment checked
by a service personnel:
•The power cord or plug is damaged
•Liquid has penetrated into the equipment
•The equipment has been exposed to moisture
•The equipment has not work well or you can not get it work
according to User’s Manual.
•The equipment has dropped and damaged
•If the equipment has obvious sign of breakage
12. DO NOT LEAVE THIS EQUIPMENT IN AN ENVIRONMENT UNCON-
DITIONED, STORAGE TEMPERATURE ABOVE 600 C (1400F), IT
MAY DAMAGE THE EQUIPMENT.
Safety Instructions
CAUTION: Explosion or serious damage may occur if the
battery is incorrectly replaced. Replace only with the same
or equivalent type recommended by the manufacturer.

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This VIA EPIA-M Mini-ITX Mainboard package should contain the follow-
ing items:
• 1 x VIA EPIA-M Mini-ITX Mainboard
• 1 x User’s manual
• 1 x ATA-33/66/100 Hard drive ribbon cable
• 1 x Floppy ribbon cable
• 1 x Combo Module (2 port USB 2.0 and 2 port IEEE1394)
• 1 x Driver Utilities CD
Box Contents

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Contents
Specifications ......................................................... 1-1
Mainboard Specifications................................................ 1-2
Mainboard Layout............................................................ 1-4
Connectors Guide ............................................................ 1-5
Installation ............................................................. 2-1
CPU ................................................................................. 2-2
The VIA C3™ E-Series Processor ................................... 2-2
The VIA Eden Processor .................................................. 2-3
Memory Installation ......................................................... 2-4
DDR SDRAM Module Installation Procedures ................. 2-4
Available DDR SDRAM Configurations ........................... 2-5
Power Supply .................................................................. 2-6
ATX 20-Pin Power Connector: ATXPWR ....................... 2-6
Back Panel ....................................................................... 2-7
Mouse Connector: JMS1 .................................................. 2-7
Keyboard Connector: JKB1 .............................................. 2-7
USB Port Connectors ....................................................... 2-8
RJ-45 NIC Port ................................................................. 2-8
Parallel Port Connector: LPT1 ......................................... 2-8
Serial Port Connector: COM 1 .......................................... 2-9
S-Video Port ..................................................................... 2-9
Audio Port Connectors ..................................................... 2-9
RCA or S/PDIF Port......................................................... 2-9
VGA Out ........................................................................... 2-9
Connectors ..................................................................... 2-10
Hard Disk Connectors: IDE1 & IDE2 ............................ 2-10
Case Connectors: F_PANEL ........................................... 2-11
Fast IrDA Infrared Module Connector: FIR .................... 2-12
CIR/PS2 (EXT_KBMS) Header: CIR ............................ 2-12
USB pin-header: USB3/4 ................................................ 2-13
Wake-On LAN Connector: WOL ................................... 2-13
FireWire: IEEE1394 ........................................................ 2-14

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COM2: The Second Serial Port ...................................... 2-14
Chassis Intrusion Connector: CI...................................... 2-15
CD-In Connector: CD_IN ............................................... 2-16
I2C Connector: I2C .......................................................... 2-16
Front Audio Connector: F_Audio .................................... 2-17
LVDS Module Connector: LVDS (Optional) ................... 2-17
Jumpers.......................................................................... 2-18
Clear CMOS Jumper: CLEAR_CMOS ........................... 2-18
RCA Video or S/PDIF Select: SPDIF_SEL .................... 2-18
Slots............................................................................... 2-19
PCI Slots ......................................................................... 2-19
PCI Interrupt Request Routing ....................................... 2-19
BIOS Setup............................................................ 3-1
Entering Setup.................................................................. 3-2
Control Keys.................................................................... 3-2
Getting Help .................................................................... 3-3
The Main Menu................................................................ 3-4
Standard CMOS Features ................................................ 3-6
Advanced BIOS Features ................................................ 3-8
Advanced Chipset Features ........................................... 3-11
Integrated Peripherals .................................................... 3-13
Power Management Setup.............................................. 3-17
PNP/PCI Configurations ................................................ 3-22
PC Health Status ............................................................ 3-24
Frequency/Voltage Control ............................................ 3-25
Load Fail-Safe Defaults................................................. 3-27
Load Optimized Defaults ............................................... 3-28
Set Supervisor/User Password ...................................... 3-29
Save & Exit Setup.......................................................... 3-31
Exit Without Saving ....................................................... 3-32

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Software Setup...................................................... 4-1
Driver Utilities CD Content ............................................. 4-2
Getting Started ................................................................. 4-2
Running the Driver Utilities CD ..................................... 4-2
CD Content ...................................................................... 4-2
Appendix ................................................................ 5-1
Smart 5.1 - Intelligent 6 Channel Audio........................... 5-2

Specifications
1-1
The ultra-compact and highly intergrated VIA
EPIA-M Mini-ITX Mainboard is the smallest form
factor mainboard specification available today,
developed by VIA Technologies, Inc as part of the
company’s open industry-wide total connectivity
initiative. The mainboard enables the creation of an
exciting new generation of small, ergonomic, innovative
and affordable embedded systems. Through high level
of integration, mini-ITX only occupy 66% of the size
of FlexATX mainboard form factor. The mainboard
comes with an embedded VIA Processor, boasting ultra
low power consumption and cool, quiet operation.
This chapter includes the following sections:
Mainboard Specifications 1-2
Mainboard Layout 1-4
Connectors Guide 1-5
Specifications
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