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VIA Technologies EPIA, User Manual

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VIA Technologies EPIA User Manual Download Page 40

Chapter 2 

 32 

PCI Interrupt Request Routing 

The IRQ (interrupt request line) are hardware lines over which devices can 
send interrupt signals to the microprocessor.  The “PCI & LAN” IRQ pins are 
typically connected to the PCI bus INT A# ~ INT D# pins as follows: 

 

Order 1 

Order 2 

Order 3 

Order 4 

PCI Slot 1 

INT B# 

INT C# 

INT D# 

INT A# 

LAN 

INT 

B# 

   

 

 

Summary of Contents for EPIA

Page 1: ...User s Manual EPIA Version 1 21 December 1 2006...

Page 2: ...Technologies Ltd 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 thi...

Page 3: ...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...

Page 4: ...n card or module 9 All cautions and warnings on the equipment should be noted 10 Never pour any liquid into the opening Liquid can cause damage or electrical shock 11 If any of the following situation...

Page 5: ...i BOX CONTENTS One VIA Mini ITX mainboard One Quick Installation Guide One ATA 133 100 IDE ribbon cable One driver and utilities CD One IO bracket...

Page 6: ...ard Jumpers 7 Chapter 2 9 Installation 9 CPU 10 Memory Module Installation 13 Connecting the Power Supply 16 Back Panel Ports 18 Connectors 20 Jumpers 28 Slots 31 Chapter 3 33 BIOS Setup 33 Entering S...

Page 7: ...er IO Device 60 Power Management Setup 62 Power Management 65 Wake Up Events 67 IRQs Activities 69 PNP PCI Configurations 70 IRQ Resources 72 DMA Resources 73 PC Health Status 74 Load Defaults 75 Set...

Page 8: ...iv This page left intentionally blank...

Page 9: ...ry 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...

Page 10: ...et VIA VT8601A North Bridge VIA VT8231 South Bridge Graphics Integrated Trident Blade 3D graphics core Audio VIA VT1612A AC 97 Codec Memory 2 x PC100 133 DIMM slots Expansion Slot 1 x PCI slot IDE 2 x...

Page 11: ...SB 1 1 ports 1 x VGA port 3 x Audio Jacks Line out Line in and Mic in Onboard I O Connectors 1 x USB pin headers for 2 additional USB 1 1 ports 1 x Video in pin header 1 x CD audio in connector 1 x CI...

Page 12: ...Bridge VT8231 South Bridge DIMM 1 DIMM 2 J12 Video in Connector FAN 1 FAN 2 ATX Power Connector IDE 1 IDE 2 BIOS ROM PCI Slot J7 CD ROM Line in CR2032 Battery J10 Clear CMOS J9 USB J6 CIR J5 FIR J3 Fr...

Page 13: ...Specifications 5 BACK PANEL LAYOUT PS2 Mouse Port PS2 Keyboard Port Parallel Port VGA Port LAN Port USB Ports Serial Port Line in Line out Mic in...

Page 14: ...t Line in and Mic in 19 COM Serial port 18 LPT Parallel port 19 PS 2 Mouse PS 2 mouse port 18 PS 2 Keyboard PS 2 keyboard port 18 RJ45 RJ45 port 19 USB USB 1 1 ports 19 VGA VGA port 18 SLOTS Port Desc...

Page 15: ...12 IDE 1 2 IDE drive connectors 20 J3 Front panel connector 21 J5 FIR connector 22 J6 CIR connector 23 J7 Onboard CD audio cable connector 25 J8 Wake on Modem 27 J9 Universal Serial Bus 1 1 connector...

Page 16: ...Chapter 1 8 This page left intentionally blank...

Page 17: ...n 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...

Page 18: ...udes an embedded VIA C3 or Eden Processor The VIA C3 Processor provides ultra low power consumption and advanced thermal dissipation properties The VIA C3 Processor requires heatsink and a CPU fan to...

Page 19: ...rocessor features a fanless design The VIA Eden Processor requires only a heatsink as shown WARNING This mainboard is not designed to support overclocking Any attempt to operate beyond product specifi...

Page 20: ...hen connecting the wire to the connectors always be aware that the red wire is the Positive and should be connected to the 12V The black wire is Ground and should always be connected to GND The CPU sy...

Page 21: ...inboard provides one 168 pin DIMM slot for PC100 133 SDRAM memory modules and supports memory sizes up to 512MB per slot DDR SDRAM Module Installation Procedures Locate the DIMM sockets in the motherb...

Page 22: ...ssing the retaining clips outward Align a DIMM on the socket such that the notch on the DIMM matches the break on the socket Firmly insert the DIMM into the socket until the retaining clips snap back...

Page 23: ...gurations Refer to the table below for available DDR SDRAM configurations on the mainboard Slot Module Size Total DIMM 1 32MB 64MB 128MB 256MB 512MB 32MB 512MB DIMM 2 32MB 64MB 128MB 256MB 512MB 32MB...

Page 24: ...ector always make sure that all components are installed correctly to ensure that no damage will be caused ATX 20 Pin Power Connector To connect the ATX power supply make sure the power plug is insert...

Page 25: ...on 17 ATX 20 Pin Power Connector Pin Signal Pin Signal 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 NC 9 5V Standby 19 5V 10...

Page 26: ...and Mouse The green 6 pin connector is for a PS 2 mouse The purple connector is for a PS 2 keyboard VGA Out The 15 pin female VGA connector can be used to connect to any analog VGA monitor Serial por...

Page 27: ...us USB ports are available for connecting USB 1 1 devices LPT port The 25 pin female parallel port for connecting printers supports Enhanced Parallel Port and Extended Capabilities Port modes Audio Po...

Page 28: ...master and a slave drive The IDE connectors can support up to four IDE devices If two drives are connected to a single cable the jumper on the second drive must be set to slave mode Refer to the driv...

Page 29: ...switch reset switch power LED HDD LED and the case speaker Pin Signal Pin Signal 1 HDD LED 2 Power LED 3 HDD LED 4 N A 5 Power Switch 6 Power LED 7 Power Switch 8 N A 9 Reset Switch 10 N A 11 Reset S...

Page 30: ...o a Fast IrDA module The BIOS settings must be configured to activate the IR function Pin Signal Description 1 3V VCC 2 IRRX FIR SIR Data Receive 3 IRRX2 SIR Data Receive 4 GND Ground 5 IRTX FIR SIR D...

Page 31: ...or J6 This pin header is used to connect to a Consumer IrDA module Pin Signal Pin Signal 1 5V 2 GND 3 KB_CLK 4 KB_DATA 5 EKBCLK 6 EKBDATA 7 MS_CLK 8 MS_DATA 9 EMCLK 10 EMDATA EBGA Processor VT8601A No...

Page 32: ...1 ports Connect each 2 port USB cable into each pin headers These ports can be used to connect USB interface peripherals such as USB HDD digital cameras MP3 players printers modem etc Pin Signal Pin S...

Page 33: ...io Connector J7 This connector allows you to receive stereo audio input from sound source such as a CD ROM Pin Signal 1 Left channel 2 GND 3 GND 4 Right channel EBGA Processor VT8601A North Bridge VT8...

Page 34: ...e The PCI riser card connector pins 13 16 allows you to connect a PCI riser card module Pin Signal Pin Signal 1 GND 2 CVD0 3 CVD7 4 CVD4 5 CVD6 6 CVD5 7 CVHS 8 CVD2 9 CVD1 10 CVD3 11 CVVS 12 CVCLK 13...

Page 35: ...dem J8 The Wake on Modem connector enables a modem with the Wake on Modem feature to power up the system when a ring in signal is received through the modem EBGA Processor VT8601A North Bridge VT8231...

Page 36: ...d provides jumpers for setting some mainboard functions This section will explain how to change the settings of the mainboard functions using the jumpers EBGA Processor VT8601A North Bridge VT8231 Sou...

Page 37: ...er cord 2 Remove the onboard battery 3 Move the jumper cap from pins 1 2 default to pins 2 3 Keep cap on pins 2 3 for about 5 10 seconds then move the cap back to pins 1 2 4 Replace the battery 5 Plug...

Page 38: ...Chapter 2 30 Auto Reboot Function Setting J2 This jumper enables or disables the Auto Reboot function When enabled the system will automatically reboot in the event of a sudden power interruption...

Page 39: ...slot allows you to insert PCI expansion card When adding or removing expansion card first unplug the power supply Read the documentation for the expansion card if any changes to the system are necessa...

Page 40: ...quest line are hardware lines over which devices can send interrupt signals to the microprocessor The PCI LAN IRQ pins are typically connected to the PCI bus INT A INT D pins as follows Order 1 Order...

Page 41: ...33 CHAPTER 3 BIOS Setup This chapter gives a detailed explanation of the BIOS setup functions...

Page 42: ...34 ENTERING SETUP 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 you may restart the system and...

Page 43: ...the main menu from a submenu Page Up Increase the numeric value or make changes Page Down Decrease the numeric value or make changes F1 General help only for Status Page Setup Menu and Option Page Se...

Page 44: ...ntrol keys Up Down arrow keys to select any item sub menu Description of the selected highlighted category is displayed at the bottom of the screen An arrow symbol next to a field indicates that a sub...

Page 45: ...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...

Page 46: ...s 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 feat...

Page 47: ...ptimized 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...

Page 48: ...Chapter 3 40 STANDARD CMOS FEATURES Date The date format is Day Month Date Year Time The time format is Hour Minute Second Video Set the video mode Settings EVGA VGA CGA 40 CGA 80 Mono...

Page 49: ...settings Setting 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 All but Diskette Syste...

Page 50: ...cturer Below is a table that details required hard drive information when using the Manual mode Setting Description IDE Channel The name of this item will match the name of the menu e g IDE Primary Ma...

Page 51: ...ot sector virus protection Disabled Turns off hard disk boot sector virus protection CPU Internal Cache Setting Description Enabled Turns on CPU internal cache Disabled Turns off CPU internal cache Ex...

Page 52: ...Test POST First Second Third Boot Device Set the boot device sequence as BIOS attempts to load the disk operating system Setting Description LS120 Boot from LS 120 drive HDD 0 Boot from the first HDD...

Page 53: ...to behave as 10 key Off Forces keypad to behave as arrow keys Gate A20 Option Sets the Gate A20 option Settings Normal Fast Typematic Rate Setting Enables Typematic Rate and Typematic Delay functions...

Page 54: ...s try to run BIOS Setup OS Select for DRAM 64MB Select the OS type used Settings Non OS2 OS2 Video BIOS Shadow Enable shadow for the Video BIOS Settings Enabled Disabled C8000 CBFFF Shadow Enable shad...

Page 55: ...BIOS Setup 47 D8000 DBFFF Shadow Enable shadow in the D8000 DBFFF region Settings Enabled Disabled DC000 DFFFF Shadow Enable shadow in the DC000 DFFFF region Settings Enabled Disabled...

Page 56: ...set functions Do not change these settings unless you are familiar with the chipset Memory Hole Select whether to have a memory hole at 15M to 16M area Settings Disabled 15M 16M System BIOS Cacheable...

Page 57: ...etup 49 TV Standard Set the TV Standard of the TV output Settings NTSC PAL TV Display Type Set the TV display type Settings Underscan Overscan TV Dot Crawl Type Set the TV Dot Crawl Type Settings DeDo...

Page 58: ...e DRAM Clock Settings Host CLK HCLK 33M By Auto DRAM Timing By SPD Set the DRAM Timing by SPD Settings Disabled Enabled SDRAM Cycle Length Set the DRAM Cycle Length Settings 3 2 Bank Interleave Set th...

Page 59: ...OL AGP Aperture Size Set the AGP Aperture Size Settings 256M 128M 64M 32M 16M 8M 4M AGP Master 1 WS Write Set the AGP Master 1 WS Write Settings Disabled Enabled AGP Master 1 WS Read Set the AGP Maste...

Page 60: ...Concurrency Settings Disabled Enabled Fast R W Turn Around Set the Fast R W Turn Around Settings Disabled Enabled CPU to PCI Write Buffer Set the CPU to PCI Write Buffer Settings Disabled Enabled PCI...

Page 61: ...r 0 WS Write Set the PCI Master 0 WS Write Settings Disabled Enabled PCI Delay Transaction Set the PCI Delay Transaction Settings Disabled Enabled PCI 2 Access 1 Retry Set the PCI 2 Access 1 Retry Set...

Page 62: ...ry graphics adapter Settings PCI Slot AGP Frame Buffer Size This setting specifies the frame buffer size Settings 2M 4M 8M OnChip USB Set the state of the OnChip USB Settings Disabled Enabled USB Keyb...

Page 63: ...BIOS Setup 55 IDE HDD Block Mode This setting specifies if the IDE hard drive supports block mode Settings Disabled Enabled...

Page 64: ...escription Enabled Activates each channel separately Disabled Deactivates IDE channels IDE Prefetch Mode This allows the hard disk controller to use the fast block mode to transfer data to and from th...

Page 65: ...IO These settings specify the PIO mode for the Secondary Master Slave IDE devices Settings Auto Mode 0 Mode 1 Mode 2 Mode 3 Mode 4 Primary Master Slave UDMA These settings specify the UDMA mode for th...

Page 66: ...ontroller will be enabled otherwise it is disabled Disable the controller if another controller card is being used to connect to an audio device Setting Description Auto Enables onboard controller if...

Page 67: ...lect Set the Sound Blaster IRQ Settings IRQ5 IRQ7 IRQ9 IRQ10 SB DMA Select Set the Sound Blaster DMA channel Settings DMA 0 DMA 1 DMA 2 DMA 3 MPU 401 Settings Enabled Disabled MPU 401 I O Address Set...

Page 68: ...Q for the onboard serial ports A and B Selecting Auto allows the BIOS to automatically determine the correct base I O port address Port Settings 1 Disabled 3F8 IRQ4 2F8 IRQ3 3E8 IRQ4 2E8 IRQ3 Auto Onb...

Page 69: ...Use DMA ECP Extended Capabilities Port has two DMA channels that it can use The default channel is 3 However some expansion cards may use channel 3 as well To solve this conflict change the ECP chann...

Page 70: ...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 onl...

Page 71: ...stem enters power saving mode Suspend Off Screen is turned off when system enters power saving mode Video Off Method Select the method of turning video off Settings Blank Screen V H SYNC Blank DPMS Su...

Page 72: ...t The field defines how the system will respond after an AC power loss during system operation Setting Description Off Keeps the system in an off state until the power button is pressed On Restarts th...

Page 73: ...erformance Max Saving minimal power consumption Settings User Define Min Saving Max Saving HDD Power Down Sets the length of time for a period of inactivity before powering down the hard disk Settings...

Page 74: ...Chapter 3 66 Suspend Mode Only available if Power Management function is set to User Define Settings Disable 1 Min 2 Min 4 Min 6 Min 8 Min 10 Min 20 Min 30 Min 40 Min 1 Hour...

Page 75: ...S2 Mouse Wakeup from S3 Enables any mouse activity to restore the system from the power saving mode to an active state Settings Disabled Enabled USB Resume from S3 Enables activity detected from USB d...

Page 76: ...On 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 Disabled Enabled M...

Page 77: ...IRQ line These fields are only available if Primary INTR is on Settings Enabled Disabled NOTE IRQ Interrupt Request lines are system resources allocated to I O devices When an I O device needs to gain...

Page 78: ...the PnP cards used for booting VGA IDE SCSI The rest of the cards will be initialized by the PnP operating system No BIOS will initialize all the PnP cards Reset Configuration Data This field should...

Page 79: ...all the Plug and Play compatible devices Setting Description Auto ESCD BIOS will automatically assign IRQ DMA and memory base address fields Manual Unlocks IRQ Resources for manual configuration Assi...

Page 80: ...et to Manual IRQ Resources list IRQ 3 4 5 7 9 10 11 12 14 15 for users to set each IRQ a type depending on the type of device using the IRQ Setting Description PCI Device For Plug and Play compatible...

Page 81: ...MA RESOURCES Resources list DMA 0 1 3 5 6 7 for users to set each DMA channel type Setting Description PCI ISA PnP For Plug Play compatible devices designed for PCI bus architecture Legacy ISA For Leg...

Page 82: ...Chapter 3 74 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...

Page 83: ...er to provide a stable system with basic performance Entering Y loads the default fail safe BIOS values Load Optimized Defaults This option is for restoring all the default optimized BIOS settings The...

Page 84: ...d 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 pas...

Page 85: ...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 Feature...

Page 86: ...Chapter 3 78 SAVE EXIT SETUP Entering Y saves any changes made and exits the program Entering N will cancel the exit request...

Page 87: ...BIOS Setup 79 EXIT WITHOUT SAVING Entering Y discards any changes made and exits the program Entering N will cancel the exit request...

Page 88: ...Chapter 3 80 This page left intentionally blank...

Page 89: ...ief descriptions of each mainboard driver and application You must install the VIA chipset drivers first before installing other drivers such as audio or VGA drivers The applications will only functio...

Page 90: ...the driver utilities and software for enhancing the performance of the mainboard If the CD is missing from the retail box please contact the local dealer for the CD Note The driver utilities and soft...

Page 91: ...he CD should run automatically after closing the CD ROM 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 th...

Page 92: ...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 Mana...

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