EPIA-MII
User’s Manual
EPIA-MII
Mini-ITX Mainboard
Version 1.50
August 26, 2004
Copyright
Copyright © 2004 VIA Technologies Incorporated. All rights reserved. No
part of this document may be reproduced, transmitted, transcribed, stored in
a retrieval system, or translated into any language, in any form or by any
means, electronic, mechanical, magnetic,optical, chemical, manual or
otherwise without the prior written permission of VIA Technologies
Incorporated.
Trademarks
Windows CE™, Windows XP™, Windows 2000™, Windows ME™,
Windows 98™ and plug and play™ are registered trademarks of Microsoft
Corporation.
PS/2 is a registered trademark of IBM Corporation.
AwardBIOS is a registered trademark of Phoenix Technologies Ltd.
All trademarks are the property of their respective holders.
Disclaimer
No license is granted, implied or otherwise, under any patent or patent rights
of VIA Technologies. VIA Technologies make no warranties, implied or
otherwise, in regard to this document and to the products described in this
document. The information provided in this document is believed to be
accurate and reliable as of the publication date of this document. However,
VIA Technologies assume no responsibility for any errors in this document,
Furthermore, VIA Technologies assume no reponsibility for the use or
misuse of the information of this document and for any patent infringements
that may arise from the use of this document. The information and product
specifications within this document are subject to change at any time,
without notice and without obligation to notify any person of such change.
ii
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
responsible 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.
iii
Safety Instructions
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 protects the
equipment from overheating. DO NOT COVER THE OPENINGS.
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
UNCONDITIONED, STORAGE TEMPERATURE ABOVE 60
0
(140
F), IT MAY DAMAGE THE EQUIPMENT.
0
C
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.
iv
Box Contents
• 1 x VIA Mainboard
• 1 x Quick Installation Guide
• 1 x Floppy Ribbon Cable
• 1 x ATA-66/100/133 IDE Ribbon Cable
• 1 x I/O Bracket
• 1 x Driver Utilities CD
v
vi
Table of Contents
Chapter 1: Specifications ........................................1-1
Mainboard Specifications..........................................................1-2
Mainboard Layout ..................................................................... 1-4
Back Panel Ports ......................................................................1-6
Slots .......................................................................................... 1-6
Onboard Connectors and Jumpers...........................................1-7
Chapter 2: Installation..............................................2-1
CPU Installation ........................................................................ 2-2
Memory Module Installation ...................................................... 2-4
Connecting the Power Supply................................................... 2-6
Back Panel Ports ......................................................................2-7
Connectors..............................................................................2-11
Jumpers ..................................................................................2-19
Slots ........................................................................................ 2-20
Chapter 3: 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.................................................... 3-12
Integrated Peripherals............................................................. 3-14
Power Management Setup .....................................................3-18
PnP / PCI Configurations ........................................................ 3-24
PC Health Status ....................................................................3-27
Frequency / Voltage Control ................................................... 3-28
Load Fail-Safe Defaults ..........................................................3-30
Load Optimized Defaults......................................................... 3-31
Set Supervisor / User Password ............................................. 3-32
Save & Exit Setup ................................................................... 3-34
Exit Without Saving.................................................................3-35
Chapter 4: Driver Installation ..................................4-1
Driver Utilities............................................................................4-2
CD Content ...............................................................................4-3
vi
Chapter
Specifications
The ultra-compact and highly intergrated VIA
EPIA-MII 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, miniITX 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
Back Panel Ports 1-6
Slots 1-6
Connectors / Jumpers 1-7
1-1
Chapter 1
Mainboard Specifications
CPU
• VIA C3 / EDEN EBGA Processor (onboard)
• Enhanced Ball Grid Array Package (EBGA)
• Internal L1 128KB and L2 64KB cache memory
Chipset
• VIA CLE266 North Bridge
• VT8235 South Bridge
Memory
• 1 x DDR266 DIMM socket (up to 1 GB)
Expansion Slots
• 1 x PCI
Graphics
• Integrated VIA Castlerock AGP graphics
Audio
• VT1616, six-channel AC’97 Codec
Onboard IEEE 1394 (optional)
• VIA VT6307S IEEE 1394
LAN
• VIA VT6103 10/100 Base-T Ethernet PHY
IDE
• 2 X UltraDMA 66/100/133 Connectors
OnModule CardBus/CF
• RICOH 476II
LVDS (optional)
VIA VT1631 LVDS Transmitter
1-2
Specifications
Back Panel I/O Ports
• 1 x PS2 mouse port
• 1 x PS2 keyboard port
• 1 x VGA port
• 1 x S-Video port
• 1 x RCA port (SPDIF or TV-out)
• 1 x RJ-45 LAN port
• 2 x USB 2.0/1.1 ports
• 1 x 1394 port
• 1 x Cardbus slot & CF slot
• 1 x Serial port
• 3 x Audio jacks: line-out, line-in and mic-in
Onboard I/O Connectors
• 1 x USB 2.0/1.1 connector (USB 2.0 support included in South Bridge)
• 1 x 1394 connector (optional)
• 1 x CD Audio-in connector
• 1 x Front audio connector
• 1 x FIR connector
• 1 x KBMS connector
• 1 x Wake-on-LAN connector
• 3 x Fan connectors (CPU Fan, System Fan, Fan 3)
• 1 x LVDS connector (optional)
• 1 x Serial port connector for second COM port
• 1 x LPT port connector
• 1 x SMBus connector
• 1 x Video feature connector support (optional)
BIOS
• Award BIOS on 2/4Mbit flash memory
Form Factor
• 17 cm X 17 cm Mini-ITX (6 layers)
1-3
Chapter 1
Mainboard Layout
Top: Mouse
Bottom: Keyboard
Top: COM1
Bottom: VGA
Top: RJ45
Bottom: USB
S-Video
RCA / SPDIF
Line-out
Line-in
Microphone
1394
Back Panel
F_AUDIO
COM2
LPT
Cardbus & CF
CD_IN
SYSFAN
SPDIF_SEL
ATXPWR
SMBUS
FIR
CPU
LVDS
CMOS
Battery
USB 3/4
FDD
PCI1394_2
CLE266
KBMS
CLEAR_CMOS
BIOS
Socket
CPUFAN
WOL
FAN3
DIMM
IDE1
IDE2
F_PANEL
PS2_MS
COM1
PS2_KB VGA Out S-Video
RJ45
USB
1-4
RCA / SPDIF
Cardbus CF
Line-InLine-Out Microphone 1394
Add-On Module
Placement of Add-On Module
Specifications
CardbusCF
1-5
CLE266
Chapter 1
Back Panel Ports
Port Description Page
1394 IEEE1394 (Firewire) port 2-9
Audio Jacks Line-Out, Line-In, Microphone 2-9
Cardbus Slot PCMCIA Type II card slot 2-9
CF Slot CF Slot 2-9
COM 1 Serial port 2-9
PS2-MS PS2 mouse port 2-7
PS2-KB PS2 keyboard port 2-7
RCA_JACK RCA Video or SPDIF jack 2-8
RJ45 10/100 NIC port 2-8
S-VIDEO S-Video Port 2-8
USB 1-2 Universal Serial Bus ports 1 - 2 2-8
VGA Out VGA out port 2-8
Slots
Slot Description Page
DIMM 1 Memory module slot 2-4
PCI Expansion card slot 2-19
1-6
Specifications
Onboard Connectors and Jumpers
Connecter/Jumper Description Page
1394_2 IEEE 1394 connector 2-16
ATXPWR ATX power cable connector 2-6
CD_IN Onboard CD audio cable connector 2-15
CLEAR_CMOS Jumper to reset CMOS settings to default 2-18
COM2 Second serial port connector 2-14
F_AUDIO Front audio connector 2-15
F_PANEL Case connector 2-11
Fans CPU Fan, System Fan, Fan 3 2-2
FDD Floppy disk drive connector 2-14
FIR Infrared Radiation connector 2-12
SMBUS SM Bus connector 2-16
IDE 1 & 2 IDE hard disk drive connectors 2-10
KBMS CIR/PS2(EXT_KBMS) connector 2-12
LPT LPT port connector 2-16
LVDS LVDS connector 2-17
SPDIF_SEL Sony Philips Digital Interface jumper 2-18
USB 3/4 Universal Serial Bus connector 2-13
WOL Wake On LAN connector 2-13
1-7
Chapter 1
1-8
Chapter
Installation
This chapter provides you with information about
hardware setup procedures. While installing the
mainboard, carefully hold the components and
closely follow the installation procedures. Some
components may be damaged if they are installed
incorrectly.
It is recommended to use a grounded wrist strap
before handling computer components. Static
electricity can damage some components.
This chapter includes the following sections:
CPU 2-2
Memory Module Installation 2-4
Connecting the Power Supply 2-6
Back Panel Ports 2-7
Connectors 2-11
Jumpers 2-19
Slots 2-20
2-1
Chapter 2
CPU
The VIA EPIA-MII Mini-ITX Mainboard includes an embedded VIA Eden
TM
Processor or VIA C3
E-Series Processor. The CPUFAN (CPU fan) and
SYSFAN (system fan) run on +12V and maintain system cooling. When
connecting the wire to the connectors, always be aware that the red wire is
the Positive and should be connected to the +12V. The black wire is Ground
and should be connected to GND. Both CPU and System fan connectors
have sensors to detect fan speed.
Sensor
+12V
GND
SYSFAN
CLE266
CPUFAN
The VIA C3TM E-Series Processor
With low power consumption and advanced
thermal dissipation properties, the embedded
VIA C3
guarantee performance and reliability. Ensure
that the CPU Fan Connector is correctly
installed as shown.
TM
E-Series requires only a small fan to
2-2
PWRFAN
Installation
The VIA Eden Processor
Providing ultra-low power consumption
and advanced thermal dissipation
properties, the VIA Eden Processor
features a fanless design. The VIA Eden
Processor requires only a heatsink as
shown.
Warning: This motherboard is not designed to support overclocking. Any attempt to
operate beyond product specifications is not recommended. We do not guarantee
the damages or risks caused by operation beyond product specifications.
2-3
Chapter 2
Memory Module Installation
The VIA EPIA-MII Mini-ITX Mainboard provides one DIMM slot for
DDR266 SDRAM memory modules.
CLE266
DDR SDRAM Module Installation Procedures
1. Push the white retaining latches at either end of the DIMM slot outwards.
2. Align the DDR SDRAM module with the corresponding notches on the
DIMM slot. The modules will only fit if placed in the correct position.
3. With both hands, press the DDR SDRAM module down into the DIMM
slot so that the white retaining latches rotate up and secure the module in
place (see picture below).
2-4
Installation
Available DDR SDRAM Configurations
Refer to the table below for available DDR SDRAM configurations on the
mainboard
Slot Memory Module Total Memory
.
DIMM
(Bank 0 & 1)
Maximum System Memory Supported 64 MB - 1 GB
64MB, 128MB, 256MB, 512MB,
1GB
64 MB - 1 GB
2-5
Chapter 2
Connecting the Power Supply
The VIA EPIA-MII Mini-ITX Mainboard requires an ATX power supply to
be connected. Before inserting the power supply connector, always make
sure that all components are installed correctly to ensure that no damage will
be caused.
ATX 20-Pin Power Connector
To connect the ATX power supply, make sure the plugs of the power supply
are inserted in the proper orientation and the pins are correctly aligned.
Then, push down the power supply plug firmly into the connector.
Pin Signal
13.3V
23.3V
3GND
45V
5GND
65V
7GND
8PW_OK
95V_SB
10 12V
11 3.3V
12 -12V
13 GND
14 PS_ON
15 GND
16 GND
17 GND
18 NC
19 5V
20 5V
110
2011
CLE266
2-6
Back Panel Ports
The back panel has the following ports:
Installation
PS2_MS
PS2_KB VGA Out S-Video
COM1
RJ45
USB
RCA / SPDIF
Cardbus CF
Line-InLine-Out Microphone 1394
Mouse Port: PS2_MS
The mainboard provides a standard PS/2 mouse connector for attaching a
PS/2 mouse. You can plug a PS/2 mouse directly into this connector. The
connector location and pin assignments are as follows.
Pin Signal Description
6
4
2
5
3
1
PS2 Mouse (6-pin female)
1 Mouse DATA Mouse data
2 NC No connection
3 GND Ground
4VCC +5V
5 Mouse Clock Mouse clock
6 NC No connection
Keyboard Port: PS2_KB
The mainboard provides a standard PS/2 keyboard connector for attaching a
PS/2 keyboard. You can plug a PS/2 keyboard directly into this connector.
Pin Signal Description
6
4
2
PS2 Keyboard (6-pin female)
5
3
1
1 Keyboard DATA Keyboard data
2 NC No connection
3 GND Ground
4VCC +5V
5 Keyboard Clock Keyboard clock
6 NC No connection
2-7
Chapter 2
VGA Out
A DB-15 pin female connector that connects to a
VGA monitor.
USB Ports
The mainboard provides 2 USB 2.0/1.1 ports (plus 1 pin-header for up to 2
additional USB 2.0/1.1 ports). USB-compatible devices can be plugged
directly into these ports.
Pin Signal Description
1VCC+5V
2 -DATA Negative Data Channel
3 +DATA Positive Data Channel
4 GND Ground
1234
RJ45 10/100 NIC Port
The mainboard provides one standard RJ45 port for connection to the Local Area
Network (LAN). You can connect a
network cable to the LAN port.
S-Video Port
This port allows S-Video output in NTSC
and PAL modes.
RCA Video or S/PDIF Port
This dual function port may be used either
as a RCA Video port or as a S/PDIF port.
See SPDIF_SEL in the Jumpers section for
more details.
2-8
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