VIA Technologies EPIA-M800 User Manual
EPIA
EPIA----M800
EPIAEPIA
M800
M800M800
User’s Manual
User’s Manual
User’s ManualUser’s Manual
Version 1.0
January 15, 2010
Copyright
Copyright
CopyrightCopyright
Copyright © 2010 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
Trademarks
TrademarksTrademarks
All trademarks are the property of their respective holders. PS/2 is a registered trademark of IBM
Corporation.
Disclaimer
Disclaimer
DisclaimerDisclaimer
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.
FCC
FCC----B Radio Frequency Interference Statement
B Radio Frequency Interference Statement
FCCFCC
B Radio Frequency Interference StatementB 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 personal expense.
Notice 1
Notice 1
Notice 1Notice 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
Notice 2
Notice 2Notice 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
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AFETY
AFETY
IIII
NSTRUCTIONS
AFETY AFETY
NSTRUCTIONS
NSTRUCTIONSNSTRUCTIONS
Always read the safety instructions carefully.
Keep this User's Manual for future reference.
Keep this equipment away from humidity.
Lay this equipment on a reliable flat surface before setting it up.
The openings on the enclosure are for air convection hence protects the
equipment from overheating. Do not cover the openings.
Make sure the voltage of the power source and adjust properly 110/220V
before connecting the equipment to the power inlet.
Place the power cord in such a way that people cannot step on it. Do not
place anything over the power cord.
Always unplug the power cord before inserting any add-on card or module.
All cautions and warnings on the equipment should be noted.
Never pour any liquid into the opening. Liquid can cause damage or
electrical shock.
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 worked well or you cannot get it work
according to User's Manual.
The equipment has dropped and damaged.
If the equipment has obvious sign of breakage.
Do not leave this equipment in an environment unconditioned or in a
storage temperature above 60oC (140oF). The equipment may be damaged.
Caution:
Caution:
Caution:Caution:
Only use the appropriate battery specified for this product.
Do not reuse, 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.
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ABLE OF
ABLE OF
ABLE OF ABLE OF
Safety Instructions ........................................................................................................... iii
Table of Contents.............................................................................................................iv
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Mainboard Specifications.........................................................................................2
Mainboard Layout .......................................................................................................4
Back Panel Layout........................................................................................................5
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CPU ....................................................................................................................................8
Memory Module Installation...................................................................................9
Connecting the Power Supply ............................................................................. 10
Back Panel Ports ........................................................................................................ 11
Connectors................................................................................................................... 12
Jumpers......................................................................................................................... 18
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Specifications.................................................................................................1
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Installation ......................................................................................................7
CPU Fan and System Fan: CPUFAN and SYSFAN ......................................8
Memory Slot: DDR2 DIMM.................................................................................9
DDR2 SDRAM Module Installation Procedures .........................................9
Available DDR2 SDRAM Configurations .......................................................9
ATX 20-Pin Power Connector .........................................................................10
COM (Serial) Port ................................................................................................. 11
DVI-I Port................................................................................................................. 11
RJ-45 LAN Ports.................................................................................................... 11
USB Ports................................................................................................................. 11
Audio Port...............................................................................................................11
IDE Connector: IDE.............................................................................................. 12
SATA Ports ..............................................................................................................13
USB Pin Connector: USB_2/1........................................................................... 13
KB/MS Connector ................................................................................................13
Front Panel Audio: F_Audio ............................................................................. 14
Digital I/O: DIO ..................................................................................................... 14
MFX............................................................................................................................ 14
Serial IrDA Infrared Module: SIR .................................................................. 15
Serial Port: COM2 ................................................................................................ 15
SPI (Serial Peripheral Interface)......................................................................15
Buzzer ....................................................................................................................... 15
DVP (Digital Video Port) ................................................................................... 16
S/PDIF: Digital Audio Connector.................................................................. 16
VIP (Video Input Port)........................................................................................ 17
Front Panel: F_Panel............................................................................................ 17
System Temperature Sensor ........................................................................... 17
Clear CMOS Connector: CLEAR_CMOS1 .................................................... 18
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MS_CF_SEL ..............................................................................................................18
Voltage Selector for the CF Connector: V_CF_SEL ................................ 18
SATA1_DOM .......................................................................................................... 19
SATA2_DOM .......................................................................................................... 19
Slots ................................................................................................................................ 20
Peripheral Component Interconnect: PCI.................................................. 20
PCI Interrupt Request Routing ....................................................................... 20
Compact Flash Type I Connector: CF...........................................................20
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BIOS Setup....................................................................................................21
Entering the BIOS Setup Menu ........................................................................... 22
Control Keys ................................................................................................................23
Navigating the BIOS Menus ................................................................................. 24
Getting Help................................................................................................................ 25
Main Menu................................................................................................................... 26
Standard CMOS Features ................................................................................. 26
Advanced BIOS Features................................................................................... 26
Advanced Chipset Features ............................................................................. 26
Integrated Peripherals ....................................................................................... 26
Power Management Setup .............................................................................. 26
PnP/PCI Configurations.....................................................................................26
PC Health Status................................................................................................... 27
Frequency/Voltage Control ............................................................................. 27
Load Optimized Defaults.................................................................................. 27
Set Supervisor Password................................................................................... 27
Set User Password ............................................................................................... 27
Save & Exit Setup................................................................................................. 27
Exit Without Saving............................................................................................. 27
Standard CMOS Features ...................................................................................... 28
Date ........................................................................................................................... 28
Time........................................................................................................................... 28
Video.........................................................................................................................28
Halt On..................................................................................................................... 28
IDE Drives ..................................................................................................................... 29
IDE Channel 0 Master......................................................................................... 29
IDE Channel 0 Slave ............................................................................................ 29
IDE Channel 1 Master......................................................................................... 30
IDE Channel 1 Slave ............................................................................................ 30
Advanced BIOS Features........................................................................................ 32
Virus Warning........................................................................................................ 32
CPU L1 & L2 Cache ............................................................................................. 32
CPU L2 Cache ECC Checking........................................................................... 32
Quick Power On Self-Test ................................................................................33
First/Second/Third Boot Device..................................................................... 33
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Boot Other Device............................................................................................... 33
Boot Up NumLock Status .................................................................................33
Typematic Rate Setting ..................................................................................... 33
Typematic Rate (Chars/Sec).............................................................................34
Typematic Delay (Msec).................................................................................... 34
Security Option..................................................................................................... 34
MPS Version Control for OS............................................................................ 34
OS Select for DRAM > 64MB.......................................................................... 34
HDD S.M.A.R.T Capability.................................................................................34
Video BIOS Shadow............................................................................................ 34
Full Screen Logo Show ...................................................................................... 34
Summary Screen Show...................................................................................... 35
CPU Features...............................................................................................................36
Delay Prior to Thermal.......................................................................................36
Thermal Management ....................................................................................... 36
Hard Disk Boot Priority........................................................................................... 37
Advanced Chipset Features .................................................................................. 38
Memory Hole.........................................................................................................38
System BIOS Cacheable .................................................................................... 38
Video RAM Cacheable .......................................................................................38
Internal VGA Control ............................................................................................... 39
VGA Share Memory size ................................................................................... 39
Direct Frame Buffer............................................................................................. 39
Select Display Device ......................................................................................... 39
CPU & PCI Bus Control ........................................................................................... 40
PCI Master 0 WS Write ...................................................................................... 40
PCI Delay Transaction ........................................................................................ 40
VIA PWR Management...................................................................................... 40
Integrated Peripherals............................................................................................. 41
VIA OnChip IDE Device........................................................................................... 42
DOM/CF Support ATA66 .................................................................................. 42
SATA Controller .................................................................................................... 42
IDE DMA Transfer Access ................................................................................. 42
OnChip IDE Channel 1 ....................................................................................... 42
IDE Prefetch Mode .............................................................................................. 42
Secondary Master PIO ....................................................................................... 42
Secondary Slave PIO........................................................................................... 42
Secondary Master UDMA................................................................................. 43
Secondary Slave UDMA .................................................................................... 43
IDE HDD Block Mode ......................................................................................... 43
VIA OnChip PCI Device ........................................................................................... 44
Azalia HDA Controller........................................................................................ 44
SuperIO Device .......................................................................................................... 45
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Onboard Serial Port 1 ........................................................................................ 45
Onboard Serial Port 2 ........................................................................................ 45
IR Mode Select...................................................................................................... 45
Watch Dog Timer Select ................................................................................... 45
USB Device Setting................................................................................................... 46
USB 1.0 Controller ............................................................................................... 46
USB 2.0 Controller ............................................................................................... 46
USB Operation Mode......................................................................................... 46
USB Keyboard Function .................................................................................... 46
USB Mouse Function .......................................................................................... 47
USB Storage Function ........................................................................................ 47
Power Management Setup ................................................................................... 48
ACPI Suspend Type............................................................................................. 48
Power Management Option............................................................................ 48
HDD Power Down................................................................................................ 48
Suspend Mode...................................................................................................... 49
Video Off Option.................................................................................................. 49
Video Off Method................................................................................................49
MODEM Use IRQ..................................................................................................49
Soft-Off by PWRBTN .......................................................................................... 49
Run VGABIOS if S3 Resume............................................................................. 49
AC Loss Auto Restart..........................................................................................49
Wakeup Event Detect..............................................................................................50
PS2KB Wakeup Select ........................................................................................50
PS2KB Wakeup Key Select ............................................................................... 50
PS2MS Wakeup Key Select .............................................................................. 50
PS2 Keyboard Power On................................................................................... 50
PS2 Mouse Power On ........................................................................................ 51
PowerOn by PCI Card......................................................................................... 51
RTC Alarm Resume.............................................................................................. 51
Date (of Month).................................................................................................... 51
Resume Time (hh : mm : ss).............................................................................51
PnP/PCI Configurations.......................................................................................... 52
Init Display First .................................................................................................... 52
PNP OS Installed ..................................................................................................52
Reset Configuration Data.................................................................................52
Resources Controlled By................................................................................... 53
PCI/VGA Palette Snoop..................................................................................... 53
Assign IRQ for VGA............................................................................................. 53
Assign IRQ for USB.............................................................................................. 53
Maximum Payload Size ..................................................................................... 53
PC Health Status........................................................................................................ 54
Frequency/Voltage Control .................................................................................. 55
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DRAM Frequency................................................................................................. 55
DRAM Channel Mode ........................................................................................ 55
DDR CAS Latency Control ................................................................................ 55
DDR Burst Length ................................................................................................ 55
DDR 1T Command Rate.................................................................................... 55
DRDY Table............................................................................................................. 55
ODT............................................................................................................................ 55
Spread Spectrum .................................................................................................56
Load Optimized Defaults .......................................................................................57
Set Supervisor/User Password............................................................................. 58
Set Supervisor ....................................................................................................... 58
User Password....................................................................................................... 58
Save & Exit Setup...................................................................................................... 60
Exit Without Saving.................................................................................................. 61
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Driver Installation.......................................................................................63
Driver Utilities ............................................................................................................. 64
Getting Started ..................................................................................................... 64
Running the Driver Utilities CD...................................................................... 65
CD Content ..................................................................................................................66
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S
PECIFICATIONS
The ultra-compact and highly integrated VIA EPIA-M800 uses the MiniITX mainboard form-factor 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 a
high level of integration, the Mini-ITX occupy 66% of the size of FlexATX
mainboard form factor. The mainboard comes with a VIA Nano
Processor, boasting of ultra-low power consumption, cool and quiet
operation.
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EPIA-M800 User’s Manual
Mainboard Specifications
Mainboard Specifications
Mainboard SpecificationsMainboard Specifications
CPU
CPU
CPUCPU
• VIA Nano 1.3⁺GHz / 1.2 GHz NanoBGA2 processor (800MHz FSB)
Chipset
Chipset
ChipsetChipset
• VIA VX800 Unified Digital Media IGP chipset
Graphics
Graphics
GraphicsGraphics
• Integrated VIA Chrome9™ HC DX9 3D/2D Graphics and Unified
Video Decoding Accelerator
Memory
Memory
MemoryMemory
• 1 x DDR2 667/533 DIMM slot (up to 2 GB)
Audio
Audio
AudioAudio
• VIA VT1708S High Definition Audio codec
Expansion Slot
Expansion Slot
Expansion SlotExpansion Slot
• 1 x PCI slot
IDE
IDE
IDEIDE
• 1 x UltraDMA 133/100/66/33 pin header
LAN
LAN
LANLAN
• 2 x VIA VT6130 PCIe Gigabit Ethernet Controllers
Onboard I/O Connectors
Onboard I/O Connectors
Onboard I/O ConnectorsOnboard I/O Connectors
• 1 x USB pin header for 2 additional USB 2.0 ports
• 1 x Digital video input pin header for CCIR-656/601/transport
stream video
• 1 x Digital video out pin header for HDMI transmitter, DVI
transmitter (different add-on card is required for different
function) or 18-bit TTL (when onboard DVI is disabled)
• 1 x CF (CompactFlash) type I connector (shared with IDE)
• 1 x KB/MS pin header
• 1 x Serial port pin header
• 1 x Digital I/O pin header
• 1 x SPI pin header
• 1 x SIR pin header (IRDA 1.0)
• 1 x Front Panel pin header
• 1 x Front-panel audio pin header for HP-out/MIC-in or
amplifier module
• 1 x MFX pin header
• 2 x SATA port connectors (with SATA DOM power support)
• 1 x S/PDIF out connector
• 2 x Fan connectors for CPU and System fans
• 1 x ATX power connector
• 1 x System temperature reading pin header
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EPIA-M800 User’s Manual
Back Panel I/O Ports
Back Panel I/O Ports
Back Panel I/O PortsBack Panel I/O Ports
• 1 x COM (Serial) port
• 2 x RJ-45 LAN ports
• 1 x DVI-I port
• 4 x USB 2.0 ports
• 3 x Audio phone jacks: Line-out, Line-in and MIC-in (Horizontal
type, Smart 5.1 supported)
BIOS
BIOS
BIOSBIOS
• Award BIOS with SPI 4/8Mbit flash memory capacity
Form Factor
Form Factor
Form FactorForm Factor
• Mini-ITX
• 17cm X 17cm
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Mainboard Layout
Mainboard Layout
Mainboard LayoutMainboard Layout
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Back Panel Layout
Back Panel Layout
Back Panel LayoutBack Panel Layout
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I
NSTALLATION
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.
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CPU_FAN
CPU_FANCPU_FAN
CPU_FAN
SYS
SYSSYS
SYS
_FAN
_FAN_FAN
_FAN
CPU
CPU
CPUCPU
The VIA EPIA-M800 mainboard is packaged with a standard VIA Nano
1.3⁺GHz / 1.2 GHz NanoBGA2 processor. To provide sufficient cooling,
VIA Nano 1.3⁺GHz processor requires a heatsink with fan while VIA Nano
1.2 GHz requires only a heatsink.
CPU Fan and System Fan: CPUFAN and SYSFAN
The CPU_FAN (CPU fan) and SYS_FAN (system fan) run on +12V and
maintain system cooling. When connecting the wire to the connectors,
always be aware that the red wire (positive wire) should be connected to the
+12V. The black wire is Ground and should always be connected to GND.
Pin
Pin Signal
PinPin
1 F_IO1
2 +12V
3 GND
Pin
Pin Signal
PinPin
1 F_IO2
2 +12V
3 GND
Signal
SignalSignal
Signal
SignalSignal
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EPIA-M800 User’s Manual
Memory Module Installation
Memory Module Installation
Memory Module InstallationMemory Module Installation
Memory Slot: DDR2 DIMM
The VIA EPIA-M800 mainboard provide one 240-DIMM slot for DDR2
667/533 SDRAM memory modules and supports memory sizes up to 2GB.
DDR2 SDRAM Module Installation Procedures
• Locate the memory DIMM slot.
• Push the locking mechanism on the memory slot outward.
Then align the memory module with the memory slots.
• Insert the memory module into the slot and push down until it
snaps into the locking mechanism.
Available DDR2 SDRAM Configurations
Refer to the table below for available DDR2 SDRAM configurations on
the mainboard.
Slot
Slot Module Size
SlotSlot
DIMM 64MB, 128MB, 256MB, 512MB, 1GB, 2GB 64MB - 2GB
Maximum supported system memory 2GB
Module Size Total
Module SizeModule Size
Total
TotalTotal
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EPIA-M800 User’s Manual
Connecting the Power Supply
Connecting the Power Supply
Connecting the Power SupplyConnecting the Power Supply
The VIA EPIA-M800 mainboard supports a conventional ATX power
supply for the power system. 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 power supply, make sure the power plug is inserted in
the proper orientation and the pins are aligned. Then push down the
plug firmly into the connector.
Pin
Pin Signal
Signal Pin
PinPin
SignalSignal
1 +3.3V 11 +3.3V
2 +3.3V 12 -12V
3 GND 13 GND
4 +5V 14 Power Supply On
5 GND 15 GND
6 +5V 16 GND
7 GND 17 GND
8 Power Good 18 -5V
9 +5V Standby 19 +5V
10 +12V 20 +5V
Pin Signal
Signal
PinPin
SignalSignal
10
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Back Panel Ports
Back Panel Ports
Back Panel PortsBack Panel Ports
The back panel has the following ports:
COM (Serial) Port
The 9-pin COM port is for pointing devices or other serial devices.
DVI-I Port
The DVI-I port allows you to connect display with analog or digital
connection.
RJ-45 LAN Ports
The mainboard provides a standard RJ-45 (Gigabit Ethernet). This port
allows the connection to a Local Area Network (LAN) through a network
hub.
USB Ports
Four standard USB 2.0 ports are provided on the back panel. These ports
used to connect the USB2.0 devices.
Audio Port
The Line-Out jack is for connecting to external speakers or headphones.
The Line-In jack is for connecting to an external audio device such as a CD
player, tape player, etc. The Mic jack is for connecting to a microphone.
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EPIA-M800 User’s Manual
Conne
Connectors
ConneConne
ctors
ctorsctors
IDE Connector: IDE
The mainboard has an Ultra DMA 133/100/66/33 controller. You can
connect up to two IDE devices in any combination.
Pin
Pin Signal
Signal Pin
PinPin
SignalSignal
1 #IDE_RST 2 GND
3 PD_7 4 PD_8
5 PD_6 6 PD_9
7 PD_5 8 PD_10
9 PD_4 10 PD_11
11 PD_3 12 PD_12
13 PD_2 14 PD_13
15 PD_1 16 PD_14
17 PD_0 18 PD_15
19 GND 20 21 #PD_REQ 22 GND
23 #PD_IOW 24 GND
25 #PD_IOR 26 GND
27 #PD_RDY 28 Primary
29 #PD_ACK 30 GND
31 PD_IRQ15 32 NC
33 PD_A1 34 IDE_DMADET
35 PD_A0 36 PD_A2
37 #PD_CS1 38 #PD_CS3
39 #HD_LED1 40 GND
If two drives are connected to a single cable, the jumper on the second
drive must be set to slave mode. Refer to the drive documentation
supplied by the vendor for the jumper settings.
Pin Signal
Signal
PinPin
SignalSignal
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Port 1
Port 1Port 1
Port 1 Port
Port Port
Port
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SATA Ports
These next generation connectors support the thin SATA cables for
primary internal storage devices. The current SATA interface allows up to
300MB/s data transfer rate, faster than the standard parallel ATA with
133 MB/s (Ultra DMA).
USB Pin Connector: USB_2/1
The mainboard provides 4 USB ports and one USB pin header (allowing
up to two additional USB 2.0 ports). Therefore mainboard can support
up to six USB 2.0 ports. These ports can be used to connect high-speed
USB interface peripherals such as USB HDD, digital cameras, MP3
players, printers, modem and the like.
Pin
Pin Signal
Signal Pin
PinPin
SignalSignal
1 +5VDUAL 2 +5VDUAL
3 USBD_T0- 4 USBD_T15 USBD_T0+ 6 USBD_T1+
7 GND 8 GND
9 - 10 GND
Pin Signal
Signal
PinPin
SignalSignal
KB/MS Connector
The mainboard provides a PS2 pin header to attach a PS2 keyboard and
mouse.
Pin
Pin Signal
Signal Pin
PinPin
SignalSignal
1 +5VDUAL 2 +5VDUAL
3 NC 4 5 GND 6 GND
7 KB_DT 8 MS_DT
9 KB_CK 10 MS_CK
Note:
Note:
Note: Note:
When the pin header is not in use. Please short pin 3&5, pin 4&6,
pin 7&9 and pin 8&10.
Pin SSSSignal
PinPin
ignal
ignalignal
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EPIA-M800 User’s Manual
Front Panel Audio: F_Audio
This pin header is an interface for the VIA front panel audio cable that
allow convenient connection and control of audio devices.
Pin
Pin Signal
Signal Pin
PinPin
SignalSignal
1 MIC2_FR_L 2 AGND
3 MIC2_FR_R 4 FNT_DET
5 LINE_OUT_R 6 LINE_R_R
7 FNT_IO_SENSE 8 9 LINE_OUT_L 10 LINE_R_L
11 +12V 12 +12V
13 AGND 14 AGND
Note:
Note:
Note:Note:
If you don’t want to connect to the front audio header, pins 5 & 6, 9
& 10 have to be jumpered in order to have signal output directed to
the rear audio ports. Otherwise, the Line-Out connector on the back
panel will not function.
Pin Signal
Signal
PinPin
SignalSignal
Digital I/O: DIO
General purpose digital input and output.
Pin
Pin Signal
Signal Pin
PinPin
SignalSignal
1 +5V 2 +12V
3 GPO_24 4 GPI_20
5 GPO_25 6 GPI_21
7 GPO_26 8 GPI_22
9 GPO_27 10 GPI_23
11 GND 12 GND
Pin Signal
PinPin
Signal
SignalSignal
MFX
This pin header is for MFX-01 add-on cards. And also allows you to
connect SMBus (System Management Bus) devices (using pins 4, 6, and
8). Such devices communicate with a SMBus host and/or other SMBus
devices using the SMBus interface.
Pin
Pin Signal
Signal Pin
PinPin
SignalSignal
1 +5V 2 +5VSUS
3 PW_BN 4 SMB_CLK
5 NC 6 SMB_DAT
7 NC 8 GND
9 GND 10 -
Pin Signal
PinPin
Signal
SignalSignal
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Serial IrDA Infrared Module: SIR
This pin header is used to connect to an IrDA module. The BIOS settings
must be configured to activate the IR function.
Pin
Pin Signal
PinPin
Signal
SignalSignal
1 +5V
2 3 IR_RX
4 GND
5 IR_TX
Serial Port: COM2
COM2 pin header can be used to attach an additional port for serial devices.
Pin
Pin Signal
Signal Pin
PinPin
SignalSignal
1 COM_DCD2 2 COM_RXD2
3 COM_TXD2 4 COM_DTR2
5 GND 6 COM_DSR2
7 COM_RTS2 8 COM_CTS2
9 COM_RI2 10 -
Pin Signal
Signal
PinPin
SignalSignal
SPI (Serial Peripheral Interface)
This pin header allows you to connect SPI device.
Pin
Pin Signal
Signal Pin
PinPin
SignalSignal
1 +3.3V 2 GND
3 SPI_SS0 4 SPI_CLK
5 SPI_DI 6 SPI_DO
7 NC 8 RST_SW
Pin Signal
Signal
PinPin
SignalSignal
Buzzer
This pin header allows you to connect the buzzer speaker.
Pin
Pin Signal
Signal
PinPin
SignalSignal
1 +5V
2 GND
3 GND
4 SPEAK
15
15
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