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BIOS Setup 

3-29 

Supervisor Password has higher priority than User Password. You can use Supervisor 
Password when booting the system or entering BIOS Setup to modify all settings. 
Also you can use User Password when booting the system or entering BIOS Setup but 
can not modify any setting if Supervisor Password is enabled.

 

3.2.12. 

3.2.13. 

Save & Exit Setup Option 

Highlight this item and press <Enter> to save the changes that you have made in the 
Setup Utility and exit the Setup Utility. When the Save and Exit dialog box appears, 
press <Y> to save and exit, or press <N> to return to the main menu: 

Exit Without Saving 

Highlight this item and press <Enter> to discard any changes that you have made in 
the Setup Utility and exit the Setup Utility. When the Exit Without Saving dialog box 
appears, press <Y> to discard changes and exit, or press <N> to return to the main 
menu. 

NOTE: 

If you have made settings that you do not want to save, use the “Exit Without 

Saving” item and press <Y> to discard any changes you have made. 

User’s Manual 

Summary of Contents for VA-20

Page 1: ...VA 20 AMD Athlon XP Athlon Duron Socket 462 System Board User s Manual Rev 1 00...

Page 2: ...ent shall the manufacturer be liable for direct indirect special incidental or consequential damages arising from any defect or error in this manual or product Product names appearing in this manual a...

Page 3: ...CASFAN1 2 8 2 5 3 CMOS Memory Clearing Header JP1 2 9 2 5 4 BIOS Write Protection Header JP3 2 10 2 5 5 CPU FSB Frequency Selector JP8 JP9 2 11 2 5 6 Front Panel Switches Indicators Connection Headers...

Page 4: ...et Features 3 9 3 2 4 Integrated Peripherals 3 14 3 2 5 Power Management Setup 3 19 3 2 6 PnP PCI Configurations 3 24 3 2 7 PC Health Status 3 26 3 2 8 Frequency Voltage Control 3 27 3 2 9 Load Fail S...

Page 5: ...rated UniChrome Pro Graphics with 2D 3D video controller SATA RAID 2 channel SATA 150 support RAID 0 RAID 1 LAN Onboard 10 100Mb LAN VIA VT6103L 10 100Mbps PHY Audio 6 Channel AC 97 CODEC onboard Real...

Page 6: ...or 244mm x 220mm All brand names and trademarks are the property of their respective owners This motherboard is customized for certain system configurations and may not fit system integration in all D...

Page 7: ...Introduction 1 3 1 2 Layout Diagram User s Manual...

Page 8: ...ription AGP1 Accelerated Graphics Port Slot ATX1 20 pin ATX12V Power Connector AUDIO1 Front Panel Audio Connection Header CDIN1 AUXIN1 Internal Audio Connectors COM2 Additional COM Port Connection Hea...

Page 9: ...he wall outlet before installing the board or changing any settings 2 Ground yourself properly by wearing a static safety wrist strap before removing the board from the antistatic bag 3 Hold the board...

Page 10: ...system board and the chassis base 3 Place all the studs or spacers needed on the chassis base and have them tightened 4 Line up all the screw holes on the board with those studs or spacers on the chas...

Page 11: ...d its power cable are not installed properly never plug the ATX power cable into the motherboard This can prevent possible processor damage Please refer to your processor installation manual or other...

Page 12: ...e end of the socket that reads Socket 462 Put the heatsink faces down onto the processor until it covers the processor completely 4 Push down the short end of the retaining clip first to lock up with...

Page 13: ...rd provides two 184 pin DDR DIMM slots for DDR 400 333 266 200 un buffered memory modules 2 4 1 Memory Configuration Table DIMM DIMM Module Total Memory 1 256MB 512MB 1GB 256MB 1GB 2 256MB 512MB 1GB 2...

Page 14: ...into the slots until the ejector tabs at both sides of the slot automatically snaps into the mounting notch Do not force the DIMM module in with extra force as the DIMM module only fit in one orienta...

Page 15: ...ing on the peripherals you have connected WARNING Always power off the computer and unplug the AC power cord before adding or removing any peripheral or component Failing to so may cause severe damage...

Page 16: ...ur system The CPU must be kept cool by using a powerful fan with heatsink The system is capable of monitoring the speed of the CPU fan CPUFAN1 Power connector for CPU cooling fan CASFAN1 Power connect...

Page 17: ...clear the CMOS memory Pin 1 2 shorted default Normal operation Pin 2 3 shorted Clear CMOS memory ATTENTION Turn the system power off first including the 5V standby power before clearing the CMOS memo...

Page 18: ...2 5 4 BIOS Write Protection Header JP3 This header uses a jumper cap to protect the BIOS contents from accidentally flashed Pin 1 2 shorted Default Write Protect Enabled Pin 2 3 shorted Write Protect...

Page 19: ...tup 2 11 2 5 5 CPU FSB Frequency Selector JP8 JP9 These headers use jumper caps to select the CPU FSB Frequency CPU FSB Frequency JP8 JP9 100MHz 1 2 1 2 133MHz 2 3 1 2 166MHz 2 3 2 3 200MHz 1 2 2 3 Us...

Page 20: ...onnecting switches and LED indicators on the chassis front panel The mark align to the pin in the figure below stands for positive polarity for the LED connection Pin Definition Pin Definition 1 HD LE...

Page 21: ...cable designed for USB 2 0 specifications Pin Signal Name Function 1 USBPWR Front Panel USB Power 2 USBPWR Front Panel USB Power 3 USB_FP_P0 USB Port 0 Negative Signal 4 USB_FP_P1 USB Port 1 Negative...

Page 22: ...extension cable attach the jumpers back at pin 5 6 and pin 9 10 default setting Pin Signal Name Function 1 AUD_MIC Front Panel Microphone input signal 2 AUD_GND Ground used by Analog Audio Circuits 3...

Page 23: ...ional AGP graphics card up to AGP 8X 4X mode ATTENTION This motherboard does not support 3 3V AGP cards Use only 1 5V or 0 8V AGP cards 2 5 10 Internal Audio Source Connectors CDIN1 AUXIN1 These conne...

Page 24: ...stall one end of the ribbon cable into the FDD1 connector The colored edge of the ribbon cable should be aligned with pin 1 of FDD1 connector 2 Install the other end s of ribbon cable into the disk dr...

Page 25: ...3 connector Ultra ATA 66 ribbon cables Connect the single end blue connector at the longer length of ribbon cable to the IDE port on system board and the other two ends gray and black connector at the...

Page 26: ...r COM2 Pin Signal Description Pin Signal Description 1 DCD Data Carrier Detect 2 RXD Receive Data 3 TXD Transfer Data 4 DTR Data Terminal Ready 5 GND 6 DSR Data Set Ready 7 RTS Request to Send 8 CTS C...

Page 27: ...s SATA1 SATA2 These connectors are provided to attach one Serial ATA device at each channel via Serial ATA cable This motherboard also provides RAID 0 and RAID 1 configuration for Serial ATA hard driv...

Page 28: ...ort connector VGA1 Monitor signal connector USB1 USB2 USB 2 0 connectors LAN1 10 100Mbps LAN connectors AUDIO Mic In Connects to the plug from external microphone Line In Connects to the line out from...

Page 29: ...peripherals Video display type and display options Password protection from unauthorized use Power Management features The settings made in the Setup Utility affect how the computer performs Before us...

Page 30: ...the Delete key accesses the BIOS Setup Utility BIOS Navigation Keys The BIOS navigation keys are listed below KEY FUNCTION ESC Exits the current menu Scrolls through the items on a menu PU PD Modifies...

Page 31: ...Utility and new BIOS file from the manufacturer s Web site Copy these files to the system diskette you created in Step 3 5 Turn off your computer and insert the system diskette in your computer s dis...

Page 32: ...Other options lead to dialog boxes that prompt you for information Some options marked with a triangle lead to submenus that enable you to change the values for the option Use the cursor arrow keys t...

Page 33: ...setting up a new hard disk drive that supports LBA mode more than one line will appear in the parameter box Choose the line that lists LBA for an LBA drive IDE Primary Secondary Master Slave Auto Lea...

Page 34: ...racteristics of any diskette drive attached to the system You can connect one or two diskette drives Floppy 3 Mode Support Disabled Floppy 3 Mode refers to a 3 5 inch diskette with a capacity of 1 2 M...

Page 35: ...faster You might like to enable this item after you are confident that your system hardware is operating smoothly First Second Third Boot Device Floppy HDD 0 CDROM Use these three items to select the...

Page 36: ...this item at the default value Typematic Rate Setting Disabled If this item is enabled you can use the following two items to set the typematic rate and the typematic delay settings for your keyboard...

Page 37: ...resides on both the disk drive and the host computer Video BIOS Shadow Enabled This item determines whether the BIOS will be copied to RAM for faster execution Small Logo EPA Show This item determine...

Page 38: ...ld DRAM Clock By SPD This item enables you to manually set the DRAM Clock We recommend that you leave this item at the default value DRAM Timing Auto By SPD Set this to the default value to enable the...

Page 39: ...request This option allows you to determine the number of CPU clocks allocated for the Row Address Strobe RAS to accumulate its charge before the DRAM is refreshed If insufficient time is allowed refr...

Page 40: ...slation AGP Mode 4X Set this option to enable if you want the AGP bus to make use of the AGP 4X transfer protocol to boost the AGP bus bandwidth If it is set to disabled then the AGP bus is only allow...

Page 41: ...hen reading to the AGP Bus When set to Enabled two wait states are used by the system allowing for greater stability AGP 3 0 Calibration cycle Leave this item to its default Enabled setting to support...

Page 42: ...grated Peripherals These options display items that define the operation of peripheral components on the system s input output ports VIA OnChip IDE Device Scroll to this item and press Enter to view t...

Page 43: ...is used by IDE devices Choose Auto to let the system auto detect which PIO mode is best or select a PIO mode from 0 4 Primary Secondary Master Slave UDMA Auto Each IDE channel supports a master device...

Page 44: ...o Enables and disables the onboard modem Disable this item if you are going to install an external modem OnChip USB Controller Enabled Enable this item if you plan to use the Universal Serial Bus port...

Page 45: ...board LAN chip Onboard LAN Boot ROM Disabled Use this item to enable and disable the booting from the onboard LAN or a network add in card with a remote boot ROM installed SuperIO Device Scroll to thi...

Page 46: ...SPP Standard Parallel Port EPP Enhanced Parallel Port ECP Extended Capabilities Port and ECP EPP SPP allows data output only Extended Capabilities Port ECP and Enhanced Parallel Port EPP are bi direct...

Page 47: ...ystem enters a power saving mode If any item in the list of Reload Global Timer Events is Enabled then any activity on that item will reset the timeout counters to zero If the system is suspended or h...

Page 48: ...efines if the video is powered down when the system is put into suspend mode Video Off Method DPMS Support This item defines how the video is powered down to save power This item is set to DPMS Displa...

Page 49: ...Activity Detect Press Enter Scroll to this item and press Enter to view the following screen PS2KB Wakeup Select Hot Key This option allows you to set hot key combination to turn on the system by keyb...

Page 50: ...power saving timeout counters when any activity is detected on the hard disk drive or the floppy diskette drive PCI Master OFF When set to Off any PCI device set as the Master will not power on the sy...

Page 51: ...Activity Monitoring This screen enables you to set IRQs that will resume the system from a power saving mode Set any IRQ to Enabled to allow activity at the IRQ to wake up the system from a power savi...

Page 52: ...this item and restart the system any Plug and Play configuration data stored in the BIOS Setup is cleared from memory Resources Controlled By Auto ESCD You should leave this item at the default Auto E...

Page 53: ...pt Request Line is reserved for a legacy ISA expansion card Press Esc to close the IRQ Resources submenu In the Memory Resources submenu use the first item Reserved Memory Base to set the start addres...

Page 54: ...Shutdown Temperature Disabled Enables you to set the maximum temperature the system can reach before powering down System Component Characteristics These items allow end users and technicians to moni...

Page 55: ...adjusts the voltage delivered to the DIMM memory Auto Detect PCI DIMM Clk Enabled When this item is enabled BIOS will disable the clock signal of free DIMM and PCI slots Spread Spectrum Enabled If yo...

Page 56: ...You can cause fatal errors or instability if you install the optimized defaults when your hardware does not support them If you only want to install setup defaults for a specific option select and di...

Page 57: ...changes that you have made in the Setup Utility and exit the Setup Utility When the Save and Exit dialog box appears press Y to save and exit or press N to return to the main menu Exit Without Saving...

Page 58: ...3 30 Chapter 3 VA 20...

Page 59: ...ed within the Drivers Utilities CD that came packaged with your board The display shown in the following figure should appear after inserting this CD into your CD ROM drive if not enter My Computer CD...

Page 60: ...for Windows 98 ME Operating System 2 Update the VIA USB 2 0 driver for Windows 2000 XP Operating System via the Windows Updating Program VIA SATA RAID Driver Install the VIA Serial ATA RAID driver for...

Page 61: ...you follow the procedures outlined below before contacting us With your help we can meet our commitment to provide the best service to the greatest number of ABIT customers 1 Check the Manual It soun...

Page 62: ...em reproduction we will not be able to reply to every email Please understand that we are selling through distribution channels and don t have the resources to serve every end user However we will try...

Page 63: ...20 Sales sales abit nl Web Site http www abit nl Austria Czech Romania Bulgaria Slovakia Croatia Bosnia Serbia and Macedonia Asguard Computer Ges m b H Schmalbachstrasse 5 A 2201 Gerasdorf Wien Austri...

Page 64: ...ame Phone Number Contact Person Fax Number E mail Address Model BIOS ID Motherboard Model No DRIVER REV OS Application Hardware Name Brand Specifications CPU HDD IDE1 IDE2 CD ROM Drive IDE1 IDE2 Syste...

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