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Chapter 3 

 42 

Quick Power On Self-Test 

Shortens Power On Self-Test (POST) cycle to enable shorter boot up time. 

Setting Description 

Enabled 

Shorten Power On Self Test (POST) cycle and bootup time 

Disabled Standard 

Power 

On Self 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 

SCSI 

Boot from SCSI 

CDROM 

Boot from CD-ROM 

HDD-1 

Boot from the second HDD 

HDD-2 

Boot from the third HDD 

HDD-3 

Boot from the fourth HDD 

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 

USB-HDD 

Boot from the USB HDD. 

LAN 

Boot from network drive 

Disabled 

Disable the boot device sequence 

 

Summary of Contents for EPIA-PE

Page 1: ...User s Manual EPIA PE Version 1 01 November 15 2006 ...

Page 2: ...x 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 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 Tec...

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 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...

Page 4: ...on card or module 9 All cautions and warnings on the equipment should be noted 10 Never pour any liquid into the opening Liquid can cause damage or electrical shock 11 If any of the following situations arises get the equipment checked by a service personnel The power cord or plug is damaged Liquid has penetrated into the equipment The equipment has been exposed to moisture The equipment has not w...

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: ...ting the Power Supply 11 ATX 20 Pin Power Connector 11 Back Panel Ports 13 Keyboard and Mouse 13 VGA Out 13 Serial Port COM 1 13 RJ45 10 100 LAN Connector 14 USB 2 0 Ports 14 LPT Port 14 Audio Ports 14 Connectors 15 Hard Disk Connectors IDE1 IDE2 15 Front Panel Connectors F_PANEL 16 FIR Module Connector FIR 17 KBMS CIR Module Connector KBMS 18 USB Pin Connector USB_5 6 19 Front Audio Connector F_A...

Page 7: ...Help 36 Main Menu 37 Standard CMOS Features 37 Advanced BIOS Features 37 Advanced Chipset Features 37 Integrated Peripherals 37 Power Management Setup 37 PnP PCI Configurations 37 PC Health Status 38 Frequency Voltage Control 38 Load Fail Safe Defaults 38 Load Optimized Defaults 38 Set Supervisor Password 38 Set User Password 38 Save Exit Setup 38 Exit Without Saving 38 Standard CMOS Features 39 D...

Page 8: ...ay Full Screen Logo 44 Show Summary Information 44 Display Small Logo 44 Advanced Chipset Features 45 AGP Aperture Size 45 AGP Mode External 46 AGP Fast Write 46 CPU to PCI POST Write 46 Select Display Device 46 Panel Select 46 CPU Direct Access FB 47 Integrated Peripherals 48 Onboard IDE Channel 1 2 48 IDE Prefetch Mode 48 Display Card Priority 48 Frame Buffer Size 49 AC97 Audio 49 VIA OnChip LAN...

Page 9: ... 54 Video Off Option 54 Power Off by PWRBTN 54 Run VGABIOS if S3 Resume 54 AC Loss Auto restart 54 Peripherals Activities 55 VGA Event 55 LPT COM Event 55 HDD FDD Event 55 PCI Master Event 55 PS2KB Wakeup Select 56 PS2 Mouse Wakeup from S3 S4 S5 56 PS2 KB Wakeup from S3 S4 S5 56 USB Resume 56 PowerOn by PCI Card 56 Wake On Lan Ring Connector 57 RTC Alarm Resume 57 Date of Month 57 Resume Time hh m...

Page 10: ...63 DRAM CAS Latency 64 Bank Interleave 64 Precharge to Active Trp 64 Active to Precharge Tras 64 Active to CMD Trcd 64 DRAM Burst Len 65 DRAM Voltage 65 CPU Ratio 65 Spread Spectrum 65 Load Fail Safe Defaults 66 Load Optimized Defaults 67 Set Supervisor User Password 68 Save Exit Setup 70 Exit Without Saving 71 Driver Installation 72 Driver Utilities 73 Getting Started 73 Running the Driver Utilit...

Page 11: ...stry 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 occupies 66 of the size of FlexATX mainboard form factor The mainboard comes with an embedded VIA Processor boasting of ultra low power consumption cool and quiet operation ...

Page 12: ... Bridge VIA VT8235M South Bridge Graphics Integrated VIA Unichrome AGP graphics with MPEG 2 Accelerator Audio VIA VT1612A AC 97 Codec Memory 1 x DDR266 DIMM slot up to 1GB Expansion Slot 1 x PCI slot IDE 2 x UltraDMA 66 100 133 connectors LAN VIA VT6106S VT6103 10 100 Base T Ethernet PHY ...

Page 13: ...nboard I O Connectors 1 x USB pin headers for 2 additional USB 2 0 ports 1 x Front panel audio pinheader Line out and Mic in 1 x FIR pin header 1 x CIR pin header Switchable for KB MS 1 x LVDS connector 3 x COM pin headers 1 x Digital IO connector 1 x Wake on Modem connector 1 x Wake on LAN connector 3 x Fan connectors BIOS Award BIOS with 2 4 Mbit flash memory capacity Form Factor Mini ITX 6 laye...

Page 14: ...DIO J3 J4 COM3 COM4 USB_5 6 COM2 FIR DIO SYSFAN PWRFAN KBMS LVDS JC CLEAR_CMOS WOL F_PANEL CPUFAN IDE1 IDE2 I2C DIM1 ATXPWR PCI C3 EBGA VIA CLE266 VIA VT8235M BACK PANEL LAYOUT LPT VGA COM LAN USB Line in Line out Mic in Mouse Keyboard ...

Page 15: ...on 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 ...

Page 16: ... dissipation properties The VIA C3 Processor requires heatsink and a CPU fan to provide sufficient cooling Ensure that the CPU fan is correctly installed as shown WARNING This mainboard is not designed to support overclocking Any attempt to operate beyond product specifications is not recommended We do not guarantee against damages or risks caused by inadequate operation or beyond product specific...

Page 17: ...m cooling When connecting the wire to the connectors always be aware that the red wire is the Positive and should be connected to the 12V The black wire is Ground and should always be connected to GND The CPU system and power fan connectors have sensors to support fan monitoring C3 EBGA VIA CLE266 VIA VT8235M SYSFAN CPUFAN PWRFAN ...

Page 18: ...IA PE Mini ITX mainboard provides one 184 pin DIMM slot for DDR266 SDRAM memory modules and supports memory sizes up to 1GB per slot DDR SDRAM Module Installation Procedures Locate the DIMM socket in the motherboard C3 EBGA VIA CLE266 VIA VT8235M DIM1 ...

Page 19: ...essing 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 in place and the DIMM is properly seated ...

Page 20: ...vailable DDR SDRAM Configurations Refer to the table below for available DDR SDRAM configurations on the mainboard Slot Module Size Total DIMM 1 64MB 128MB 256MB 512MB 1GB 64MB 1GB Maximum supported system memory 1GB ...

Page 21: ...e power supply connector always make sure that all components are installed correctly to ensure that no damage will be caused ATX 20 Pin Power Connector To connect the ATX power supply make sure the power plug is inserted in the proper orientation and the pins are aligned Then push down the plug firmly into the connector C3 EBGA VIA CLE266 VIA VT8235M ATXPWR ...

Page 22: ... 3 12 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 12V 20 5V ...

Page 23: ...d 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 Port COM 1 This 9 pin COM 1 port is for pointing devices or other serial devices ...

Page 24: ...al Bus USB ports are available for connecting USB 2 0 devices LPT Port The 25 pin female parallel port for connecting printers supports Enhanced Parallel Port and Extended Capabilities Port modes Audio Ports Line Out This Line Out lime jack connects a headphone or a speaker Line In This Line In light blue jack connects a tape player or other audio devices Microphone This Mic pink jack connects a m...

Page 25: ...onnectors can connect a 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 drive documentation supplied by the vendor for the jumper settings C3 EBGA VIA CLE266 VIA VT8235M IDE2 IDE1 ...

Page 26: ...nnect the power 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 Switch 12 N A C3 EBGA VIA CLE266 VIA VT8235M Front Panel Connector ...

Page 27: ...ed to connect to 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 Data Transmit C3 EBGA VIA CLE266 VIA VT8235M FIR ...

Page 28: ...ctor KBMS 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 C3 EBGA VIA CLE266 VIA VT8235M Keyboard and Mouse or CIR ...

Page 29: ...al USB 1 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 Signal 1 VCC 2 VCC 3 USB2 4 USB3 5 USB2 6 USB3 7 GND 8 GND 9 NC 10 GND C3 EBGA VIA CLE266 VIA VT8235M USB connector ...

Page 30: ...ard Only the line out and microphone functions are available for use on the front panel To connect the front audio cable first remove the two red plastic jumpers Pin Signal Pin Signal 1 FRN_MIC 2 AGND 3 AUD_MIC_BIAS 4 5V 5 LINE_OUT_R 6 NEXT_R 7 NC 8 Key 9 LINE_OUT_L 10 NEXT_L C3 EBGA VIA CLE266 VIA VT8235M F_AUDIO ...

Page 31: ...s listed in the table below The LVDS connector may not be available on your mainboard This is an option that is added during the manufacturing process If you would like a mainboard with the LVDS connector please contact your vendor or sales contact for more information C3 EBGA VIA CLE266 VIA VT8235M LVDS ...

Page 32: ... Wake on Modem WOM 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 C3 EBGA VIA CLE266 VIA VT8235M Wake on Modem ...

Page 33: ... the Wake On LAN function The connector will power up the system when a signal is received through the network card Please note that the function of ACPI WOL may be disabled when users unplug the power cord or turn off the power button manually C3 EBGA VIA CLE266 VIA VT8235M Wake on LAN ...

Page 34: ...additional serial devices to be attached directly to the mainboard or for adding additional serial ports COM3 and COM4 pin headers have their own voltage select jumper that enables support between either 5V or 12V See the jumper settings for more information C3 EBGA VIA CLE266 VIA VT8235M COM3 COM2 COM4 ...

Page 35: ... Digital IO Connector DIO This connector provides four GPI General Purpose Input and four GPO General Purpose Output pin headers for supporting both 5V and 12V Digital IO solutions C3 EBGA VIA CLE266 VIA VT8235M DIO ...

Page 36: ...PERS The mainboard provides jumpers for setting some mainboard functions This section will explain how to change the settings of the mainboard functions using the jumpers J3 J4 CLEAR_CMOS C3 EBGA VIA CLE266 VIA VT8235M ...

Page 37: ...lug the power cord 2 Remove the onboard battery 3 Move the jumper cap from pins 2 3 default to pins 1 2 Keep cap on pins 1 2 for about 5 10 seconds then move the cap back to pins 2 3 4 Replace the battery 5 Plug the power cord and turn ON the computer 6 Hold down the Del key during the boot process and enter BIOS setup to re enter data WARNING Except when clearing the RTC RAM never remove the cap ...

Page 38: ...Chapter 3 28 COM Voltage Select J3 J4 This jumper changes the voltage for COM3 and COM4 respectively Voltage options are 5V and 12V Pins Voltage 1 2 5V 2 3 12V 5V 1 3 2 12V 1 3 2 ...

Page 39: ...ct PCI The PCI 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 necessary C3 EBGA VIA CLE266 VIA VT8235M PCI ...

Page 40: ...upt 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 ...

Page 41: ...BIOS Setup 31 This page is intentionally left blank ...

Page 42: ...32 CHAPTER 3 BIOS Setup This chapter gives a detailed explanation of the BIOS setup functions ...

Page 43: ...p 33 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 try again ...

Page 44: ... 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 Setup Menu F5 Restore the previous CMOS value from CMOS only for Option Page Setup Menu F6 Load the default CMOS value from Fail Safe default table only for Option Page Setup Menu F7 Load Optimized defa...

Page 45: ...ontrol 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 menu is available see figure below Press Enter to display the sub menu To exit the sub menu press Esc ...

Page 46: ...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 ...

Page 47: ...res 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 ...

Page 48: ... minimal and stable system operations 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 a...

Page 49: ... is Hour Minute Second Halt On Sets the system s response to specific boot errors Below is a table that details the possible 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 ...

Page 50: ...ble 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 Master Settings None Auto Manual Access Mode Settings CHS LBA Large Auto Capacity Formatted size of the storage device Cylinder Number of cylinders Head Number of heads Precomp Write precompensation Landing Zone Cylinder l...

Page 51: ...ector virus protection CPU L2 Cache ECC Checking Setting Description Enabled Enables ECC for L2 cache Disabled Disables ECC for L2 cache Processor Number Feature This is only valid for CPUs that have a processor number Setting Description Enabled Enables access to the CPU s embedded unique ID number Disabled Disables access to the CPU s embedded unique ID number ...

Page 52: ...as BIOS attempts to load the disk operating system Setting Description LS120 Boot from LS 120 drive HDD 0 Boot from the first HDD SCSI Boot from SCSI CDROM Boot from CD ROM HDD 1 Boot from the second HDD HDD 2 Boot from the third HDD HDD 3 Boot from the fourth HDD 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 USB H...

Page 53: ...ing Description On Forces keypad to behave as 10 key Off Forces keypad to behave as arrow keys Typematic Rate Setting Enables Typematic Rate and Typematic Delay functions Settings Enabled Disabled 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...

Page 54: ...o run BIOS Setup System Password prompt appears every time when the computer is powered on and when end users try to run BIOS Setup Display Full Screen Logo Show full screen logo during BIOS boot up process Settings Enabled Disabled Show Summary Information Show summary screen Settings Enabled Disabled Display Small Logo Show small energy star logo during BIOS boot up process Settings Enabled Disa...

Page 55: ... are familiar with the chipset AGP Aperture Size This setting controls how much memory space can be allocated to AGP for video purposes The aperture is a portion of the PCI memory address range dedicated to graphics memory address space Host cycles that hit the aperture range are forwarded to the AGP without any translation Settings 4MB 8MB 16MB 32MB 64MB 128MB 256MB ...

Page 56: ...ching of display data for the video memory of the processor Settings Enabled Disabled CPU to PCI POST Write When Enabled CPU can write up to four words of data to the PCI write buffer before CPU must wait for PCI bus cycle to finish If Disabled CPU must wait after each write cycle until PCI bus signals that it is ready to receive more data Settings Enabled Disabled Select Display Device This setti...

Page 57: ...BIOS Setup 47 CPU Direct Access FB Controls the CPU s access to directly access the system memory reserved for graphics data Settings Enabled Disabled ...

Page 58: ...Mode This allows your hard disk controller to use the fast block mode to transfer data to and from the hard disk drive Block mode is also called block transfer multiple commands or multiple sector read write Enabled enables IDE controller to use block mode Disabled allows the controller to use standard mode Settings Enabled Disabled Display Card Priority This setting specifies which VGA card is yo...

Page 59: ... enabled if not it is disabled Disable the controller if you want to use other controller cards to connect to an audio device Settings Auto Disabled VIA OnChip LAN This setting allows you to make VIA OnChip LAN enabled or disabled Settings Enabled Disabled USB Keyboard Support Enable USB Keyboard Support for DOS and Windows Settings Enabled Disabled VIA Onboard LAN Enables the onboard LAN controll...

Page 60: ...ne the correct base I O port address Port Settings 1 Disabled 3F8 IRQ4 2F8 IRQ3 3E8 IRQ4 2E8 IRQ3 Auto 2 Disabled 3F8 IRQ4 2F8 IRQ3 3E8 IRQ4 2E8 IRQ3 Auto 3 Disabled 3F8 IRQ5 2F8 IRQ10 3E8 IRQ5 2E8 IRQ10 4 Disabled 3F8 IRQ5 2F8 IRQ10 3E8 IRQ5 2E8 IRQ10 Onboard Parallel Port This specifies the I O port address and IRQ of the onboard parallel port Settings Disabled 378 IRQ7 278 IRQ5 3BC IRQ7 ...

Page 61: ...1 9 is the newer version of the protocol and is backwards compatible with most EPP devices If your EPP device does not work with the EPP 1 9 setting try changing the setting to EPP 1 7 Settings EPP 1 9 EPP 1 7 ECP Mode 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 ch...

Page 62: ...Chapter 3 52 Fast IR DMA Set this field to choose the DMA channel This field is only available if Onboard Fast IR is enabled Settings 6 5 ...

Page 63: ...3 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 HDD Power Down Sets the length of time for a period of inactivity before powering down the hard ...

Page 64: ...nters power saving mode Power Off by PWRBTN This field configures the power button on the chassis Setting 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 resumed from S3 state This is only necessary for older VGA drivers se...

Page 65: ...whether or not the power management unit should monitor parallel port LPT and serial port COM activities Settings None LPT COM LPT COM HDD FDD Event Enables the power management unit to monitor hard disk and floppy disk activities Settings Off On PCI Master Event Enables the power management unit to monitor PCI master activities Settings Off On ...

Page 66: ...ed Enabled PS2 KB Wakeup from S3 S4 S5 Enables any keyboard activity to restore the system from the power saving mode to an active state Settings Disabled Enabled USB Resume Enables activity detected from USB devices to restore the system from a suspended state to an active state Settings Disabled Enabled PowerOn by PCI Card Enables activity detected from any PCI card to power up the system or res...

Page 67: ...he system or resume from suspend state Settings Disabled Enabled RTC Alarm Resume Sets 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 Resume Time hh mm ss The field specifies the time for RTC Alarm Resume ...

Page 68: ...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 attention of the operating system it signals this by causing an IRQ to occur After receiving the signal when the operating system is ready the system will interrupt itself and perform the service req...

Page 69: ...ze 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 usually be left Disabled Setting Description Enabled Resets the ESCD Extended System Configuration Data after exiting BIOS Setup if a newly installed PCI card or the system configuration prevents th...

Page 70: ...e 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 Assign IRQ For VGA USB Assign IRQ for VGA and USB devices Settings Disabled Enabled ...

Page 71: ... set 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 devices designed for PCI bus architecture Reserved The IRQ will be reserved for other requests ...

Page 72: ...Chapter 3 62 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 73: ...RAM clock frequency Settings 66 MHz 100 MHz 133 MHz By SPD DRAM Timing The value in this field depends on the memory modules installed in your system Changing the value from the factory setting is not recommended unless you install new memory that has a different performance rating than the original modules Settings Manual By SPD ...

Page 74: ...mance of the SDRAM by masking the refresh time of each bank This field is only available when DRAM Timing is set to Manual Settings Disabled 2 Bank 4 Bank Precharge to Active Trp This field controls the length of time it takes to precharge a row in the memory module before the row becomes active Longer values are safer but may not offer the best performance This field is only available when DRAM T...

Page 75: ...le Settings 2 7V 2 6V 2 5V Default CPU Ratio Settings Default x3 x3 5 x4 x4 5 x5 x5 5 x6 x6 5 x7 x7 5 x8 x8 5 x9 x9 5 x10 x10 5 x11 x11 5 x12 x13 x14 x15 x16 Spread Spectrum When the mainboard s clock generator pulses the extreme values spikes of the pulses creates EMI Electromagnetic Interference The Spread Spectrum function reduces the EMI generated by modulating the pulses so that the spikes of...

Page 76: ...DEFAULTS This option is for restoring all the default fail safe BIOS settings These values are set by the mainboard manufacturer to provide a stable system with basic performance Entering Y loads the default fail safe BIOS values ...

Page 77: ...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 loads the default optimized BIOS values ...

Page 78: ...ed 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 b...

Page 79: ... 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 ...

Page 80: ...Chapter 3 70 SAVE EXIT SETUP Entering Y saves any changes made and exits the program Entering N will cancel the exit request ...

Page 81: ...BIOS Setup 71 EXIT WITHOUT SAVING Entering Y discards any changes made and exits the program Entering N will cancel the exit request ...

Page 82: ...rief 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 function correctly if the necessary drivers are already installed ...

Page 83: ...ntains 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 software are updated from time to time The latest updated versions are available at http www viaembedded com ...

Page 84: ...D 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 the Start button and select Run Then type D Setup exe NOTE D might not be the drive letter of the CD ROM DVD ROM in your system ...

Page 85: ...ctly 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 VIA Graphics Driver Enhances the onboard VIA graphic chip VIA Audio Driver Enhances the onboard VIA audio chip VIA USB 2 0 Driver Enhances VIA USB 2 0 ports VIA LAN Driver Enhances the onboard VIA LAN chip VIA FIR Drive...

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