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Revision
1.04
user manual
EPIA-N800
Nano-ITX Mainboard
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Copyright and Trademarks
Copyright © 2009 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.
All trademarks are the property of their respective holders.
PS/2 is a registered trademark of IBM Corporation.
Disclaimer
No license is granted, implied or otherwise, under any patent or patent rights of VIA
Technologies. VIA Technologies makes 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 assumes no responsibility for the use or misuse of
the information in 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.
Regulatory Compliance
FCC-A Radio Frequency Interference Statement
This equipment has been tested and found to comply with the limits for a class A 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 personal 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.
Tested To Comply
With FCC Standards
FOR HOME OR OFFICE USE
Battery Recycling and Disposal
Only use the appropriate battery specified for this product.
Do not re-use, recharge, or reheat an old battery.
Do not attempt to force open the battery.
Do not discard used batteries with regular trash.
Discard used batteries according to local regulations.
II
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Safety Precautions
Do’s
o Always read the safety instructions carefully.
o Keep this User's Manual for future reference.
o All cautions and warnings on the equipment should be
noted.
o Keep this equipment away from humidity.
o Lay this equipment on a reliable flat surface before setting
it up.
o Make sure the voltage of the power source and adjust
properly 110/220V before connecting the equipment to the
power inlet.
o Place the power cord in such a way that people cannot
step on it.
o Always unplug the power cord before inserting any add-on
card or module.
o If any of the following situations arises, get the equipment
checked by authorized service personnel:
o The power cord or plug is damaged.
o Liquid has penetrated into the equipment.
o The equipment has been exposed to moisture.
o The equipment has not worked well or you cannot
get it work according to User's Manual.
o The equipment has dropped and damaged.
o The equipment has obvious sign of breakage.
Don’ts
o Do not leave this equipment in an environment
unconditioned or in a storage temperature above 70°C
(158°F). The equipment may be damaged.
o Do not leave this equipment in direct sunlight.
o Never pour any liquid into the opening. Liquid can cause
damage or electrical shock.
o Do not place anything over the power cord.
o Do not cover the ventilation holes. The openings on the
enclosure protect the equipment from overheating
III
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IV
Box Contents
1 x EPIA-N800 Nano-ITX mainboard
1 x SATA cable
1 x SATA power cable
1 x USB cable
1 x DC-In cable
1 x Driver utility CD
Page 5
V
T
ABLE OF
C
ONTENTS
1 Product Overview............................................................................................... 1
Key Components ................................................................................................. 2
VIA Nano 1.3+ GHz Processor ................................................................ 2
VIA VX800 All-in-one System Processor.............................................. 2
Mainboard Specifications ................................................................................3
EPIA-N800 Layout ............................................................................................... 4
Top View ............................................................................................................ 4
Bottom View..................................................................................................... 5
Side View............................................................................................................ 5
2 Onboard Connectors, Slots and Pin Headers....................................... 6
Top Side Connectors ......................................................................................... 7
DC-In power connector: DC12VI .......................................................... 7
CMOS Battery: BAT1..................................................................................... 7
Front Panel pin header: FPANEL............................................................ 8
Fan connector: CPU_FAN, SYS_FAN........................................................ 8
Temperature sensor: SEN........................................................................... 9
SPI BIOS program pin header: JSP1 ...................................................... 9
SMBus pin header: SMBUS ......................................................................10
Digital I/O pin header: DIO ....................................................................10
Front Audio pin header: F_AUDIO1..................................................11
Keyboard and mouse: KB/MS................................................................11
Serial port: COM2, COM3, COM4........................................................12
USB pin header: USB_2/3........................................................................12
SATA power: S_POWER1.........................................................................13
SATA connector: SATA1, SATA2...........................................................13
CompactFlash Type 1: CF ........................................................................14
LVDS Panel connector: PANEL .............................................................14
LVDS backlight connector: INVERTER ...............................................15
Bottom Side Connector..................................................................................16
Mini PCI slot: MINIPCI..................................................................................16
SATA power: S_POWER2.........................................................................16
Memory Module Installation...................................................................17
3 Onboard Jumpers ............................................................................................20
Jumpers..................................................................................................................21
Clear CMOS jumper: CLEAR_CMOS ...................................................21
Panel power selector: PVDD_SEL........................................................22
Page 6
Inverter power selector: IVDDSEL........................................................22
Power mode selector: AT/ATX..............................................................23
SATA DOM power selector: SATA_DOM1 .....................................23
COM1 serial mode selector: J1..............................................................24
COM2 power selector: J3........................................................................25
4 Back Panel Ports.................................................................................................26
D-sub 15 display port: VGA ....................................................................27
RS-232/422/485 port: COM1 ................................................................27
USB 2.0 ports: USB_0/1.............................................................................27
Gigabit Ethernet RJ45 port: LAN ..........................................................27
5 BIOS Setup............................................................................................................28
Entering the BIOS Setup Menu ..................................................................29
Control Keys .........................................................................................................29
Getting Help ........................................................................................................30
Main Menu ...........................................................................................................31
Standard CMOS Features.........................................................................31
Advanced BIOS Features .........................................................................31
Advanced Chipset Features....................................................................31
Integrated Peripherals................................................................................31
Power Management Setup.....................................................................31
PnP/PCI Configurations.............................................................................31
PC Health Status............................................................................................32
Frequency/Voltage Control....................................................................32
Load Optimized Defaults..........................................................................32
Set Supervisor Password ...........................................................................32
Set User Password .......................................................................................32
Save & Exit Setup ..........................................................................................32
Exit Without Saving .....................................................................................32
Standard CMOS Features..............................................................................33
Date ....................................................................................................................33
Time ....................................................................................................................33
Video..................................................................................................................33
Halt On..............................................................................................................33
Advanced BIOS Features...............................................................................34
Virus Warning................................................................................................34
CPU L1 & L2 Cache.....................................................................................34
CPU L2 Cache ECC Checking................................................................34
Quick Power On Self-Test.........................................................................35
First/Second/Third Boot Device............................................................35
Boot Other Device.......................................................................................35
Boot Up NumLock Status.........................................................................35
Typematic Rate Setting ..............................................................................35
Typematic Rate (Chars/Sec) ....................................................................36
Typematic Delay (Msec)............................................................................36
VI
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Security Option..............................................................................................36
MPS Version Control for OS....................................................................36
OS Select for DRAM > 64MB ..................................................................36
HDD S.M.A.R.T Capability .........................................................................36
Video BIOS Shadow ...................................................................................36
Full Screen Logo Show .............................................................................37
Summary Screen Show.............................................................................37
CPU Features.......................................................................................................38
Thermal Management...............................................................................38
Hard Disk Boot Priority....................................................................................39
Advanced Chipset Features .........................................................................40
Memory Hole .................................................................................................40
System BIOS Cacheable ............................................................................40
Video RAM Cacheable ..............................................................................40
AGP Fast Write ..............................................................................................40
Select Display Device..................................................................................40
Panel Type .......................................................................................................41
Internal VGA Control.......................................................................................42
AGP 3.0 Calibration Cycle........................................................................42
VGA Share Memory Size ..........................................................................42
Direct Frame Buffer.....................................................................................42
Outport Port....................................................................................................42
Dithering ..........................................................................................................42
CPU & PCI Bus Control ...................................................................................43
PCI Master 0 WS Write ..............................................................................43
PCI Delay Transaction ................................................................................43
VIA PWR Management.............................................................................43
Integrated Peripherals .....................................................................................44
OnChip IDE Channel 1 .............................................................................44
IDE HDD Block Mode ................................................................................44
SATA Controller.............................................................................................44
SATA Controller Mode...............................................................................44
Azalia HDA Controller................................................................................44
Onboard LAN Boot ROM ........................................................................44
VIA Wireless LAN Support .......................................................................44
Super IO Device .................................................................................................45
Onboard Serial Port 1 ................................................................................45
Onboard Serial Port 2 ................................................................................45
Onboard Serial Port 3 ................................................................................45
Onboard Serial Port 4 ................................................................................45
WatchDog Support ....................................................................................45
WatchDog Timer Select............................................................................45
WatchDog Count Value ..........................................................................45
VIA OnChip IDE Device .................................................................................46
VII
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IDE Prefetch Mode ......................................................................................46
CF Card UDMA66 .......................................................................................46
IDE DMA Transfer Access ........................................................................46
Secondary Master PIO ...............................................................................46
Secondary Slave PIO...................................................................................46
Secondary Master UDMA ........................................................................46
Secondary Slave UDMA............................................................................46
USB Device Setting ...........................................................................................47
USB 1.0 Controller .......................................................................................47
USB 2.0 Controller .......................................................................................47
USB Operation Mode ................................................................................47
USB Keyboard Function............................................................................47
USB Mouse Function .................................................................................47
USB Storage Function................................................................................48
Power Management Setup..........................................................................49
ACPI Suspend Type .....................................................................................49
Power Management Option..................................................................49
HDD Power Down .....................................................................................49
Suspend Mode ..............................................................................................50
Video Off Option..........................................................................................50
Video Off Method........................................................................................50
Soft-Off by PWRBTN....................................................................................50
Run VGABIOS if S3 Resume....................................................................50
AC Loss Auto Restart ..................................................................................51
Wakeup Event Detect.....................................................................................52
PS2KB Wakeup Select ................................................................................52
PS2KB Wakeup Key Select .......................................................................52
PS2MS Wakeup Key Select ......................................................................52
PS2 Keyboard Power On..........................................................................52
PS2 Mouse Power On................................................................................53
USB Resume from S3..................................................................................53
Wakeup On GPI ...........................................................................................53
PowerOn by PCI Card ...............................................................................53
RTC Alarm Resume ......................................................................................53
Date (of Month)............................................................................................53
Resume Time (hh : mm : ss) ....................................................................53
PnP/PCI Configurations..................................................................................54
Init Display First..............................................................................................54
PNP OS Installed ...........................................................................................54
Reset Configuration Data.........................................................................54
Resources Controlled By...........................................................................55
PCI/VGA Palette Snoop ............................................................................55
Assign IRQ for VGA.....................................................................................55
Assign IRQ for USB ......................................................................................55
VIII
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Maximum Payload Size..............................................................................55
IRQ Resources .....................................................................................................56
PC Health Status.................................................................................................57
Frequency/Voltage Control.........................................................................58
DRAM Frequency ........................................................................................58
DRAM Channel Mode ...............................................................................58
DDR CAS Latency Control .......................................................................58
DDR Burst Length........................................................................................58
DDR 1T Command Rate...........................................................................58
DRDY Table .....................................................................................................58
ODT.....................................................................................................................58
Spread Spectrum..........................................................................................59
Load Optimized Defaults...............................................................................60
Set Supervisor/User Password ....................................................................61
Set Supervisor.................................................................................................61
User Password ...............................................................................................61
Save & Exit Setup ...............................................................................................63
Exit Without Saving ..........................................................................................64
6 Driver Installation...............................................................................................65
Driver Utilities.......................................................................................................66
Getting Started ..............................................................................................66
Running the Driver Utilities CD .............................................................66
CD Content ..........................................................................................................67
IX
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1
Product Overview
1
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The VIA EPIA-N800 is a compact and highly integrated Nano-ITX
mainboard. The Nano-ITX form factor is 50% smaller than the
Mini-ITX form factor — enabling the creation of an exciting new
generation of small, ergonomic, innovative and affordable
embedded systems.
The VIA EPIA-N800 Nano-ITX mainboard is rich in I/O integration
and comes with an integrated VIA Nano 1.3+ GHz NanoBGA2
processor that boasts of ultra-low power consumption and cool
operation.
KEY COMPONENTS
VIA Nano 1.3+ GHz Processor
Due to its ultra cool, ultra quiet, and reliable performance, the VIA
Nano 1.3+ GHz NanoBGA2 processor is a perfect fit for compact
embedded systems that need a good performance per watt ratio.
With a maximum power envelope of 15 W, the VIA Nano
processor offers impressive power efficiency and highly effective
heat dissipation all within an ultra compact NanoBGA2 package
measuring just 21mm x 21mm.
VIA VX800 All-in-one System Processor
The VIA VX800 integrates a premium graphics engine, an HD
audio controller, a DDR2 memory controller, a 400MHz FSB
processor interface, and extensive I/O support in a single -chip
design.
Complementing the power-efficient VIA Nano processor, the
VX800 is based on a highly sophisticated power efficient
architecture that enables rich integration in a compact package
with a maximum power envelope of just 2.3 W.
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MAINBOARD SPECIFICATIONS
CPU
Chipset
Graphics
System Memory
Onboard Storage
Audio
LAN
Onboard I/O
Connectors
I/O Ports
Expansion
System Monitoring
and Management
BIOS
Operating System
Operating
Environment
Form Factor
VIA Nano 1.3+ GHz NanoBGA2 processor
• NanoBGA2 package
• 800 MHz Front Side Bus
VIA VX800 All-in-One System Processor
Integrated VIA Chrome9TM HC IGP with 3D/2D and
unified video decoding accelerators
One DDR2 533/667 SODIMM slot (up to 2 GB)
Two SATA 3Gb/s connectors
Two SATA power connectors
One CF Type 1 socket
VIA VT1708S High Definition Audio Codec
One VIA VT6130 PCIe Gigabit Ethernet controller
One Audio pin connector for Line-out, Line-in and Mic-in
One dual-channel LVDS connector (5V/3V)
One Backlight control pin header
One SMBus pin connector
One DIO pin connector(4 GPI & 4 GPO)
Two fan connectors: CPU and system
One PS2 mouse/keyboard pin header
One USB pin header
One SPDIF pin header
One SPI pin header
One Front panel pin header
Three RS-232 port pin headers
(one with 5V/12V select)
One power mode select connector
One +12V DC-in 2-pin connector
One VGA port
One GigaLAN port
Two USB ports
One RS-232/422/485 port
One Mini PCI slot
Wake-On-LAN and Keyboard Power-on
RTC Timer
Watch Dog Timer
System power management, AC power failure
Award BIOS with SPI 4/8 Mbit flash memory
Windows 2000/XP/CE/XPe and Linux
Temperature: 0°C up to 60°C
Humidity: 0% ~ 95% (relative humidity; noncondensing)
Nano-ITX
12 cm x 12 cm
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EPIA-N800 LAYOUT
Top View
Symbol Page Symbol Page
AT/ATX 23 J1 24
BAT1 7 J3 25
CF 14 JSP1 9
CLEAR_CMOS 21 KB/MS 11
COM2 12 LVDS 14
COM3 12 PVDD_SEL 22
COM4 12 S_POWER1 11
CPU_FAN 8 SATA_DOM1 23
DC12VI 7 SATA1 13
DIO 10 SATA2 13
F_AUDIO1 11 SEN 9
FPANEL 8 SMBUS 10
INVERTER 15 SYS_FAN 8
IVDDSEL 22 USB_2/3 12
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Bottom View
Symbol Page Symbol Page
DDR2_SODIMM 17 S_POWER2 11
MINIPCI 16
Side View
Symbol Page Symbol Page
GigaLAN 27 USB 2.0 27
RS-232/422/485 27 VGA 27
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2
Onboard
Connectors, Slots
This chapter provides you with information about hardware
installation procedures. It is recommended to use a grounded
wrist strap before handling computer components. Electrostatic
discharge (ESD) can damage some components.
and Pin Headers
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TOP SIDE CONNECTORS
DC-In power connector: DC12VI
Power is delivered to the mainboard through a 4-pin 12V power
connector.
Pin Signal
1 Ground
2 Ground
3 +12 VDC
4 +12 VDC
CMOS Battery: BAT1
The mainboard comes with external CMOS battery connector. This
2-pin connector used to connect the external cable battery for
CMOS.
Pin Signal
1 +3.3VBAT
2 GND
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Front Panel pin header: FPANEL
This pin header allows you to connect the power switch, reset
switch, power LED, HDD LED, AND case speaker.
Pin Signal Pin Signal
1 +PWR_LED 2 +HD_LED
3 +PWR_LED 4 -HD_LED
5 -PWR_LED 6 PW_BN
7 SPEAK+ 8 GND
9 —- 10 RST_SW
11 SPEAK- 12 GND
Fan connector: CPU_FAN, SYS_FAN
The fans run on +12V. When connecting the cable to the
connector, always be aware that the red wire (positive wire)
should be connected to pin 1. The black wire is the ground wire
and should always be connected to GND.
Pin Signal
1 F_IO
2 +12V
3 GND
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Temperature sensor: SEN
The mainboard comes with a system temperature sensor pin
header. Connect a temperature sensor to the 3-pin header to
enable the BIOS to monitor the system temperature. The
recommended sensor model is NPN sensor MOS, 2N3904.
Pin Signal
1 REMOTE1+
2 REMOTE1+
3 REMOTE1-
SPI BIOS program pin header: JSP1
The mainboard comes with a SPI BIOS flashing interface.
Pin Signal Pin Signal
1 SPI_VCC 2 Ground
3 SPI_SS0 4 SPI_CLK
5 SPI_DI 6 SPI_DO
7 —- 8 RST_SW
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SMBus pin header: SMBUS
This pin header allows connection to SMBus devices.
Pin Signal
1 SMBCK
2 SMBDT
3 Ground
Digital I/O pin header: DIO
This pin header allows connection to DIO devices.
Pin Signal Pin Signal
1 5V_DIO 2 12V_DIO
3 GPO_21 4 GPI_44
5 GPO_22 6 GPI_45
7 GPO_32 8 GPI_46
9 GPO_33 10 GPI_47
11 Ground 12 Ground
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Front Audio pin header: F_AUDIO1
This pin header allows you to connect a front audio to the
mainboard.
Pin Signal Pin Signal
1 SPDIF_OUT 2 +5V
3 Ground 4 —5 LINEOUT_R 6 LINEOUT_L
7 LINEIN_R 8 LINEIN_L
9 MIC1_RE_R 10 MIC1_RE_L
11 —- 12 NC
13 Ground 14 Ground
Keyboard and mouse: KB/MS
This pin header allows you to connect PS/2 keyboard and mouse
ports.
Pin Signal Pin Signal
1 VCCE 2 VCCE
3 NC 4 —
5 Ground 6 Ground
7 KB_DT 8 MS_DT
9 KB_CK 10 MS_CK
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Serial port: COM2, COM3, COM4
The mainboard has three COM pin headers. These three pin
headers provide additional RS-232 support. Additionally, COM2
can change power modes between +5V and +12V. See page 25
for details.
Pin Signal Pin Signal
1 DCD 2 SIN
3 SOUT 4 DTR
5 GND 6 DSR
7 RTS 8 CTS
9 RI2 10 —-
USB pin header: USB_2/3
The USB pin header is for adding up to two additional USB 2.0
ports.
Pin Signal Pin Signal
1 VUSB2 2 VUSB2
3 USBD_T2- 4 USBD_T35 USBD_T2+ 6 USBD_T3+
7 Ground 8 Ground
9 —- 10 NC
11 Ground 12 GPO36
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SATA power: S_POWER1
The mainboard has a 4-pin SATA power connector on the top
side. Plug the SATA power cable into the SATA power connector.
Make sure the power plug pins are aligned and inserted in the
proper orientation.
Pin Signal
1 +5V
2 +5V
3 Ground
4 Ground
SATA connector: SATA1, SATA2
The current SATA interface allows a data transfer rate of up to 300
MB/s — approximately 225% faster than Ultra DMA parallel ATA.
SATA1 has a 7th pin that is reserved for delivering +5V to a SATA
DOM device. This power pin can be disabled if connecting a
regular SATA device. See page 23 for more information.
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CompactFlash Type 1: CF
The mainboard provides support for one CF Type 1 device.
LVDS Panel connector: PANEL
The dual-channel LVDS connector allows you to connect the
panel’s LVDS cable directly to support LVDS panel.
Pin Signal Pin Signal
1 -A4_L 2 PVDD
3 A4_L 4 PVDD
5 Ground 6 Ground
7 -A5_L 8 Ground
9 A5_L 10 -A0_L
11 Ground 12 A0_L
13 -A6_L 14 Ground
15 A6_L 16 -A1_L
17 Ground 18 A1_L
19 -CLK2_L 20 Ground
21 CLK2_L 22 -A2_L
23 Ground 24 A2_L
25 -A7_L 26 Ground
27 A7_L 28 -CLK1_L
29 NC 30 CLK1_L
31 NC 32 Ground
33 NC 34 -A3_L
35 NC 36 A3_L
37 NC 38 SPCLK
39 NC 40 SPD
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LVDS backlight connector: INVERTER
The inverter connector allows you to connect a backlight control
for the LVDS panel.
Pin Signal
1 VCC
2 VCC
3 BAKLITE
4 PWM_OUT
5 BAKLITE
6 SMBUS_OUT
7 Ground
8 Ground
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BOTTOM SIDE CONNECTOR
Mini PCI slot: MINIPCI
The mainboard has an onboard Mini PCI slot for using +3.3V
SATA power: S_POWER2
The mainboard also has a 4-pin SATA power connector on the
bottom side. Plug the SATA power cable into the SATA power
connector. Make sure the power plug pins are aligned and
inserted in the proper orientation.
Pin Signal
1 +5V
2 +5V
3 Ground
4 Ground
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Memory Module Installation
Memory Slot: DDR2_SODIMM
The VIA EPIA-N800 Pico-ITX mainboard has one 200-SODIMM slot
for DDR2 667/533 SDRAM memory modules and supports
memory sizes up to 2 GB.
Available DDR2 SDRAM Configuration
Refer to the table below for available DDR2 SDRAM configurations
on the mainboard.
Slot Module Size Total
SODIMM 64 MB, 128 MB, 256 MB, 512 MB, 1 GB, 2 GB 64 MB - 2 GB
Maximum supported system memory 2 GB
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Installing the memory
Step 1
Locate the SODIMM slot in the mainboard and align the
notch on the SODIMM with the memory slot.
Step 2
Insert the SODIMM module at a 45 degree angle. Then
push the SODIMM down until it snaps into the locking
mechanism.
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19
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3
Onboard Jumpers
20
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JUMPERS
Clear CMOS jumper: CLEAR_CMOS
The onboard CMOS RAM stores system configuration data and
has an onboard battery power supply. To reset the CMOS settings,
set the jumper on pins 2 and 3 while the system is off. Return the
jumper to pins 1 and 2 afterwards. Setting the jumper while the
system is on will damage the mainboard. The default setting is on
pins 1 and 2.
Setting 1 2 3
Normal Operation (default) ON ON OFF
Clear CMOS setting OFF ON ON
Caution:
Except when clearing the RTC RAM, never remove the cap from
the CLEAR_CMOS jumper default position. Removing the cap
will cause system boot failure. Avoid clearing the CMOS while
the system is on; it will damage the mainboard.
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Panel power selector: PVDD_SEL
This jumper determines the input voltage for the LCD connector.
The default setting is +3.3V.
Setting 1 2 3
+3.3V ON ON OFF
+5V OFF ON ON
Inverter power selector: IVDDSEL
This jumper determines the input voltage for the LCD backlight
inverter. The default setting is +5V.
Setting 1 2 3
+12V ON ON OFF
+5V OFF ON ON
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Power mode selector: AT/ATX
This jumper sets the mainboard to either the AT or ATX power
profile. The default mode is ATX.
Setting 1 2 3
ATX ON ON OFF
AT OFF ON ON
SATA DOM power selector: SATA_DOM1
This jumper enables or disables the 7th power pin on SATA1. The
default setting is “Normal”.
Setting 1 2 3
Normal (GND) ON ON OFF
+5V OFF ON ON
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COM1 serial mode selector: J1
This jumper sets the serial mode for COM1. Supported serial
standards are RS-232, RS-422, and RS-485.
Setting Cap pairs
RS-232
RS-422
RS-485
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COM2 power selector: J3
This jumper sets the power profile for COM2. The default setting is
+5V.
Setting 1 2 3
+5V ON ON OFF
+12V OFF ON ON
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4
Back Panel Ports
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D-sub 15 display port: VGA
The D-sub 15 display port enables the mainboard to output
graphics to standard analog VGA monitors.
RS-232/422/485 port: COM1
COM1 is a convertible serial port. It can be switched between RS232, RS-422, or RS-485 serial standards. See page 24 for details on
jumper settings.
USB 2.0 ports: USB_0/1
Two standard USB 2.0 ports are provided on the back panel.
Gigabit Ethernet RJ45 port: LAN
The mainboard provides one Gigabit Ethernet port controlled by
the onboard VIA VT6130 PCIe Gigabit Ethernet controller.
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5
BIOS Setup
This chapter gives a detailed explanation of the BIOS setup
functions.
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ENTERING THE BIOS SETUP MENU
Power on the computer and press <Delete> during the beginning
of the boot sequence to enter the BIOS setup menu. If you missed
the BIOS setup entry point, restart the system and try again.
CONTROL KEYS
Keys Description
Up Move to the previous item
Down Move to the next item
Left Move to the left
Right Move to the right
Enter Select the item
Esc Jumps to the Exit menu or returns to the main menu
Page Up Increase the numeric value or make changes
Page Down Decrease the numeric value or make changes
+ (number pad) Increase the numeric value
- (number pad) Decrease the numeric value
F1 General help, only for Status Page Setup Menu and
F5 Restore the previous CMOS value (only for option page
F6 Load the Fail-safe CMOS values (only for option page
F7 Load Optimized defaults
F10 Save all the changes and exit
from a submenu
Option Page Setup Menu
setup menu)
setup menu)
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GETTING HELP
The BIOS setup program provides a “General Help” screen. You
can display this screen from any menu/sub-menu by pressing
<F1>. The help screen displays the keys for using and navigating
the BIOS setup. Press <Esc> to exit the help screen.
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MAIN MENU
The Main Menu contains twelve setup functions and two exit
choices. Use arrow keys to select the items and press <Enter> to
accept or enter Sub-menu.
Standard CMOS Features
Use this menu to set basic system configurations.
Advanced BIOS Features
Use this menu to set the advanced features available on your
system.
Advanced Chipset Features
Use this menu to set chipset specific features and optimize system
performance.
Integrated Peripherals
Use this menu to set onboard peripherals features.
Power Management Setup
Use this menu to set onboard power management functions.
PnP/PCI Configurations
Use this menu to set the PnP and PCI configurations.
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PC Health Status
This menu shows the PC health status.
Frequency/Voltage Control
Use this menu to set the system frequency and voltage control.
Load Optimized Defaults
Use this menu option to load BIOS default settings for optimal and
high performance system operations.
Set Supervisor Password
Use this menu option to set the BIOS supervisor password.
Set User Password
Use this menu option to set the BIOS user password.
Save & Exit Setup
Save BIOS setting changes and exit setup.
Exit Without Saving
Discard all BIOS setting changes and exit setup.
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STANDARD CMOS FEATURES
Date
The date format is [Day, Month Date, Year]
Time
The time format is [Hour : Minute : Second]
Video
Settings: [EGA/VGA, CGA 40, CGA 80, MONO]
Halt On
Set the system’s response to specific boot errors. Below is a table
that details the possible settings.
Settings Description
All Errors System halts when any error is detected
No Errors System does not halt for any error
All, But Keyboard System halts for all non-key errors
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ADVANCED BIOS FEATURES
Virus Warning
Allows you to choose the VIRUS warning feature for IDE Hard Disk
boot sector protection.
Settings Description
Enabled Turns on hard disk boot sector virus protection
Disabled Turns off hard disk boot sector virus protection
Note:
If this function is enabled and someone attempt to write data
into this area, BIOS will show a warning message on the screen
and alarm beep.
CPU L1 & L2 Cache
Settings Description
Disabled Turns off CPU L1 & L2 cache
Enabled Turns on CPU L1 & L2 cache
CPU L2 Cache ECC Checking
Settings: [Enabled, Disabled]
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Quick Power On Self-Test
Shortens Power On Self-Test (POST) cycle to enable shorter boot
up time.
Settings Description
Disabled Standard Power On Self Test (POST)
Enabled Shorten Power On Self Test (POST) cycle and boot up
time
First/Second/Third Boot Device
Set the boot device sequence as BIOS attempts to load the disk
operating system.
Settings Description
LS120 Boot from LS-120 drive
Hard Disk Boot from the HDD
CDROM Boot from CDROM
ZIP100 Boot from ATAPI ZIP drive
USB-FDD Boot from USB Floppy drive
USB-ZIP Boot from USB ZIP drive
USB-CDROM Boot from USB CDROM
Legacy LAN Boot from network drive
Disabled Disable the boot device sequence
Boot Other Device
Enables the system to boot from alternate devices if the system fails
to boot from the “First/Second/Third Boot Device” lists.
Settings Description
Disabled No alternate boot device allowed
Enabled Enable alternate boot device
Boot Up NumLock Status
Set the NumLock status when the system is powered on.
Settings Description
Off Forces keypad to behave as arrow keys
On Forces keypad to behave as 10-key
Typematic Rate Setting
Enables “Typematic Rate” and “Typematic Delay” functions.
Settings: [Disabled, Enabled]
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Typematic Rate (Chars/Sec)
This item sets the rate (characters/second) at which the system
retrieves a signal from a depressed key.
Settings: [6, 8, 10, 12, 15, 20, 24, 30]
Typematic Delay (Msec)
This item sets the delay between, when the key was first pressed
and when the system begins to repeat the signal from the
depressed key.
Settings: [250, 500, 750, 1000]
Security Option
Selects whether the password is required every time the System
boots, or only when you enter Setup.
Settings Description
Setup Password prompt appears only when end users try to run
BIOS Setup
System Password prompt appears every time when the computer is
powered on and when end users try to run BIOS Setup
MPS Version Control for OS
Settings: [1.1, 1.4]
OS Select for DRAM > 64MB
Select OS2 only if you are running OS/2 operating system with
greater than 64MB of RAM on the system.
Settings: [Non-OS2, OS2]
HDD S.M.A.R.T Capability
Settings: [Disabled, Enabled]
Video BIOS Shadow
Enabled copies Video BIOS to shadow RAM Improves
performance.
Settings: [Disabled, Enabled]
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Full Screen Logo Show
Show full screen logo during BIOS boot up process.
Settings: [Disabled, Enabled]
Summary Screen Show
Show summary screen.
Settings: [Disabled, Enabled]
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CPU FEATURES
Thermal Management
This item sets CPU’s thermal control rule to protect CPU from
overheat.
Settings Description
Thermal Monitor ˇ
Disabled
Dynamic Ratio and VID
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HARD DISK BOOT PRIORITY
This is for setting the priority of the hard disk boot order when the
“Hard Disk” option is selected in the “[First/Second/Third] Boot
Device” menu item.
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ADVANCED CHIPSET FEATURES
Caution:
The Advanced Chipset Features menu is used for optimizing the
chipset functions. Do not change these settings unless you are
familiar with the chipset.
Memory Hole
Settings: [Disabled, 15M – 16M]
System BIOS Cacheable
Settings: [Disabled, Enabled]
Video RAM Cacheable
Settings: [Disabled, Enabled]
AGP Fast Write
Settings: [Disabled, Enabled]
Select Display Device
Settings: [CRT, LCD, CRT+LCD]
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Panel Type
Key in a HEX number.
Settings: [Min = 0000, Max = 000F]
Resolution Code
640 x 480 0
800 x 600 1
1024 x 768 2
1280 x 768 3
1280 x 1024 4
1400 x 1050 5
1440 x 900 6
1280 x 800 7
800 x 480 8
1024 x 600 9
1366 x 768 A
1600 x 1200 B
1680 x 1050 C
1920 x 1200 D
640 x 240 E
480 x 640 F
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INTERNAL VGA CONTROL
AGP 3.0 Calibration Cycle
Settings: [Disabled, Enabled]
VGA Share Memory Size
This setting allows you to select the amount of system memory
that is allocated to the integrated graphics processor.
Settings: [Disabled, 64M, 128M, 256M]
Direct Frame Buffer
Settings: [Disabled, Enabled]
Outport Port
Settings: [DI0, DI1]
Dithering
Settings: [Disabled, Enabled]
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CPU & PCI BUS CONTROL
PCI Master 0 WS Write
Settings: [Enabled, Disabled]
PCI Delay Transaction
Settings: [Disabled, Enabled]
VIA PWR Management
Settings: [Disabled, Enabled]
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INTEGRATED PERIPHERALS
OnChip IDE Channel 1
Settings: [Disabled, Enabled]
IDE HDD Block Mode
Settings: [Disabled, Enabled]
SATA Controller
Settings: [Disabled, Enabled]
SATA Controller Mode
Settings: [IDE, RAID]
Azalia HDA Controller
Settings: [Auto, Disabled]
Onboard LAN Boot ROM
Settings: [Enabled, Disabled]
VIA Wireless LAN Support
Settings: [Enabled, Disabled]
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SUPER IO DEVICE
Onboard Serial Port 1
Settings: [Disabled, 3F8/IRQ4, 2F8/IRQ4, 3E8/IRQ4, 2E8/IRQ4]
Onboard Serial Port 2
Settings: [Disabled, 3F8/IRQ4, 2F8/IRQ4, 3E8/IRQ4, 2E8/IRQ4]
Onboard Serial Port 3
Settings: [Disabled, 3F8/IRQ4, 2F8/IRQ4, 3E8/IRQ4, 2E8/IRQ4]
Onboard Serial Port 4
Settings: [Disabled, 3F8/IRQ4, 2F8/IRQ4, 3E8/IRQ4, 2E8/IRQ4]
WatchDog Support
Settings: [Enabled, Disabled]
WatchDog Timer Select
This option is only available if “WatchDog Support” is enabled.
Settings: [Minute, Second]
WatchDog Count Value
This option is only available if “WatchDog Support” is enabled.
Settings: Key in an integer between 0 and 255 inclusive.
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VIA ONCHIP IDE DEVICE
IDE Prefetch Mode
Settings: [Disabled, Enabled]
CF Card UDMA66
Settings: [Disabled, Enabled]
IDE DMA Transfer Access
Settings: [Disabled, Enabled]
Secondary Master PIO
Settings: [Auto, Mode 0, Mode 1, Mode 2, Mode 3, Mode 4]
Secondary Slave PIO
Settings: [Auto, Mode 0, Mode 1, Mode 2, Mode 3, Mode 4]
Secondary Master UDMA
Settings: [Disabled, Auto]
Secondary Slave UDMA
Settings: [Disabled, Auto]
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USB DEVICE SETTING
USB 1.0 Controller
Enable or disable Universal Host Controller Interface for Universal
Serial Bus.
Settings: [Disabled, Enabled]
USB 2.0 Controller
Enable or disable Enhanced Host Controller Interface for Universal
Serial Bus.
Settings: [Disabled, Enabled]
USB Operation Mode
Auto decide USB device operation mode.
Settings Description
Full/Low Speed All of USB Device operated on full/low speed mode
High Speed If USB device was high speed device, then it operated
on high speed mode.
USB Keyboard Function
Enable or disable Legacy support of USB Keyboard.
Settings: [Disabled, Enabled]
USB Mouse Function
Settings: [Disabled, Enabled]
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USB Storage Function
Enable or disable Legacy support of USB Mass Storage.
Settings: [Disabled, Enabled]
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POWER MANAGEMENT SETUP
ACPI Suspend Type
Settings Description
S1(POS) S1/Power On Suspend (POS) is a low power state. In this
state, no system context (CPU or chipset) is lost and
hardware maintains all system contexts.
S3(STR) S3/Suspend To RAM (STR) is a power-down state. In this
state, power is supplied only to essential components
such as main memory and wakeup-capable devices. The
system context is saved to main memory, and context is
restored from the memory when a "wakeup" event
occurs.
S1 & S3 Depends on the OS to select S1 or S3.
Power Management Option
Settings: [User Define, Min Saving, Max Saving]
HDD Power Down
Set the length of time for a period of inactivity before powering
down the hard disk.
Settings: [Disable, 1 Min, 2 Min, 3 Min, 4 Min, 5 Min, 6 Min, 7 Min,
8 Min, 9 Min, 10 Min, 11 Min, 12 Min, 13 Min, 14 Min, 15 Min]
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Suspend Mode
Sets the length of time for a period of inactivity before entering
suspend mode.
Settings: [Disable, 1 Min, 2 Min, 4 Min, 6 Min, 8 Min, 10 Min, 20
Min, 30 Min, 40 Min, 1 Hour]
Video Off Option
Select whether or not to turn off the screen when system enters
power saving mode, ACPI OS such as Windows XP will override
this option.
Settings Description
Always On Screen is always on even when system enters power
saving mode
Suspend -> Off Screen is turned off when system enters power saving
mode
Video Off Method
Settings: [Blank Screen, V/H SYNC+Blank, DPMS Support]
Soft-Off by PWRBTN
This field configures the power button on the chassis.
Settings Description
Delay 4 Sec System is turned off if power button is pressed for
more than four seconds.
Instant-Off Power button functions as a normal power-on/-off
button.
Run VGABIOS if S3 Resume
Select whether to run VGA BIOS if resuming from S3 state. This is
only necessary for older VGA drivers.
Settings: [Auto, Yes, No]
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AC Loss Auto Restart
The field defines how the system will respond after an AC power
loss during system operation.
Settings Description
Off Keeps the system in an off state until the power button is
pressed
On Restarts the system when the power is back
Former-Sts Former-Sts
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WAKEUP EVENT DETECT
PS2KB Wakeup Select
When selecting “Password”, press <Page Up> or <Page Down> to
change password. The maximum number of characters is eight.
“PS2MS Wakeup from S3/S4/S5” and “PS2KB Wakeup from
S3/S4/S5” will be disabled while changing the password.
Settings: [Hot Key, Password]
PS2KB Wakeup Key Select
Sets a Hot Key to restore the system from the power saving mode
to an active state.
Settings: [Ctrl+F1, Ctrl+F2, Ctrl+F3, Ctrl+F4, Ctrl+F5, Ctrl+F6, Ctrl+F7,
Ctrl+F8, Ctrl+F9, Ctrl+F10, Ctrl+F11, Ctrl+F12, Power, Wake, Any
Key]
PS2MS Wakeup Key Select
Enables any mouse activity to restore the system from the power
saving mode to an active state.
Settings: [Any Button, Left Button, Right Button]
PS2 Keyboard Power On
Settings: [Disabled, Enabled]
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PS2 Mouse Power On
Settings: [Disabled, Enabled]
USB Resume from S3
Settings: [Disabled, Enabled]
Wakeup On GPI
Settings: [Disabled, Enabled]
PowerOn by PCI Card
Enables activity detected from any PCI card to power up the
system or resume from a suspended state. Such PCI cards include
LAN, onboard USB ports, etc.
Settings: [By OS, Enabled]
RTC Alarm Resume
Set a scheduled time and/or date to automatically power on the
system.
Settings: [Disabled, Enabled]
Date (of Month)
The field specifies the date for “RTC Alarm Resume”.
Key in a DEC number.
Settings: [Min = 0, Max = 31]
Resume Time (hh : mm : ss)
The field specifies the time for “RTC Alarm Resume”.
Key in a DEC number.
Settings: [Min = 0, Max = 23]
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PNP/PCI CONFIGURATIONS
Note:
This section covers some very technical items and it is strongly
recommended to leave the default settings as is unless you are
an experienced user.
Init Display First
Settings: [PCI Slot, Onboard, AGP, PCIEx]
PNP OS Installed
Settings Description
No BIOS will initialize all the PnP cards
Yes BIOS will only initialize the PnP cards used for booting
(VGA, IDE, SCSI). The rest of the cards will be initialized
by the PnP operating system
Reset Configuration Data
Settings Description
Disabled Default setting
Enabled Resets the ESCD (Extended System Configuration Data)
after exiting BIOS Setup if a newly installed PCI card or
the system configuration prevents the operating system
from loading
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Resources Controlled By
Enable the BIOS to automatically configure all the Plug-and-Play
compatible devices.
Settings Description
Auto(ESCD) BIOS will automatically assign IRQ, DMA and memory
base address fields
Manual Unlocks “IRQ Resources” for manual configuration
PCI/VGA Palette Snoop
Some non-standard VGA display cards may not show colors
properly. This field allows you to set whether MPEG ISA/VESA
VGA Cards can work with PCI/VGA or not. When enabled, a
PCI/VGA can work with a MPEG ISA/VESA VGA card. When
disabled, a PCI/VGA cannot work with a MPEG ISA/VESA Card.
Settings: [Disabled, Enabled]
Assign IRQ for VGA
Assign IRQ for VGA devices.
Settings: [Disabled, Enabled]
Assign IRQ for USB
Assign IRQ for USB devices.
Settings: [Disabled, Enabled]
Maximum Payload Size
Set maximum TLP payload size for the PCI Express devices. The
unit is byte.
Settings: [128, 256, 512, 1024, 2048, 4096]
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IRQ RESOURCES
IRQ Resources list IRQ 7/9/10/11/12/14/15 for users to set each
IRQ a type depending on the type of device using the IRQ.
Settings:
PCI Device For Plug-and-Play compatible devices designed for PCI
bus architecture
Reserved The IRQ will be reserved for further requests
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PC HEALTH STATUS
The PC Health Status displays the current status of all of the
monitored hardware devices/components such as CPU voltages,
temperatures and fan speeds.
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FREQUENCY/VOLTAGE CONTROL
DRAM Frequency
Settings: [DDR2-400, DDR2-533, DDR-667, SPD]
DRAM Channel Mode
Settings: [Channel A, Channel A&B, Channel A&C]
DDR CAS Latency Control
Settings: [2T, 3T, 4T, 5T, 6T, SPD]
DDR Burst Length
Settings: [4, 8, SPD]
DDR 1T Command Rate
Settings: [Disabled, Enabled]
DRDY Table
Settings: [Slowest, Optimize]
ODT
Settings: [Disabled, Enabled]
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Spread Spectrum
When the mainboard's clock generator pulses, the extreme values
(spikes) of the pulses create EMI (Electromagnetic Interference).
The Spread Spectrum function reduces the EMI generated by
modulating the pulses so that the spikes of the pulses are reduced
to flatter curves.
Settings: [Disabled, +/- 0.1%, +/- 0.2%, +/- 0.3%, +/- 0.4%, +/- 0.5%,
+/- 0.6%, +/- 0.7%, +/- 0.8%, +/- 0.9%]
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LOAD OPTIMIZED DEFAULTS
This option is for restoring all the default optimized BIOS settings.
The default optimized values are set by the mainboard
manufacturer to provide a stable system with optimized
performance.
Entering “Y” and press <Enter> to load the default optimized BIOS
values.
Entering ”N” will cancel the load optimized defaults request.
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SET SUPERVISOR/USER PASSWORD
Set Supervisor
User Password
This option is for setting a password for entering BIOS Setup.
When a password has been set, a password prompt will be
displayed whenever BIOS Setup is run. This prevents an
unauthorized person from changing any part of your system
configuration.
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There are two types of passwords you can set. A supervisor
password and a user password. When a supervisor password is
used, the BIOS Setup program can be accessed and the BIOS
settings can be changed. When a user password is used, the
BIOS Setup program can be accessed but the BIOS settings cannot
be changed.
To set the password, type the password (up to eight characters in
length) and press <Enter>. The password typed now will clear any
previously set password from CMOS memory. The new password
will need to be reentered to be confirmed. To cancel the process
press <Esc>.
To disable the password, press <Enter> when prompted to enter a
new password. A message will show up to confirm disabling the
password. To cancel the process press <Esc>.
Additionally, when a password is enabled, the BIOS can be set to
request the password each time the system is booted. This would
prevent unauthorized use of the system. See “Security Option” in
the “Advanced BIOS Features” section for more details.
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SAVE & EXIT SETUP
Entering “Y” saves any changes made, and exits the program.
Entering “N” will cancel the exit request.
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EXIT WITHOUT SAVING
Entering “Y’ discards any changes made and exits the program.
Entering “N” will cancel the exit request.
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6
Driver Installation
This chapter gives you brief descriptions of each mainboard driver
and application. You must install the VIA chipset drivers first before
installing other drivers such as VGA drivers. The applications will
only function correctly if the necessary drivers are already installed.
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DRIVER UTILITIES
Getting Started
The VIA EPIA-N800 includes a driver CD that contains the drivers
and software for enhancing the performance of the system. The
drivers can also be downloaded from http://www.via.com.tw.
Note:
The driver utilities and software are updated from time to time.
The latest updated versions are available at
http://www.via.com.tw
Running the Driver Utilities CD
To start using the CD, insert the CD into the CD-ROM or DVDROM drive. The CD should run automatically after closing the CDROM or DVD-ROM drive. The driver utilities and software menu
screen should then appear on the screen. If the CD does not run
automatically, click on the “Start” button and select “Run…” Then
type: "D:\Setup.exe".
For Linux drivers, click the right button on mouse and click open.
Linux drivers located in the “Driver” folder.
Note:
D: might not be the drive letter of the CD-ROM/DVD-ROM in
your system.
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CD CONTENT
VIA 4 in 1 Drivers
Contains VIA ATAPI Vendor Support Driver (enables the
performance enhancing bus mastering functions on ATAcapable Hard Disk Drives and ensures IDE device
compatibility), AGP VxD Driver (provides service routines
to your VGA driver and interface directly to hardware,
providing fast graphical access), IRQ Routing Miniport
Driver (sets the system's PCI IRQ routing sequence) and
VIA INF Driver (enables the VIA Power Management
function).
Includes V-RAID and RAID tools.
VIA Graphics Driver
Enhances the onboard VIA graphic chip.
Windows XP and Linux drivers are provided.
VIA Audio Driver
Enables access to the onboard VIA HD audio codec.
VIA USB 2.0 Driver
Enhances VIA USB 2.0 ports.
VIA LAN Driver
VIA GigaLAN Driver
VIA RAID Driver
Support for SATA RAID devices
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