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VC31 Mainboard Manual

Frequency/Voltage Control

Spread Spectrum Modulated

This feature is used to set the spread Spectrum to be center spread type or

down spread type. The options are: Disabled, Enabled.

CPU Clock Ratio

This feature allows you to select the frequency mulitplier for CPU host

clock. The option list offers the ratios from X 3 to X 8.

Auto Detect PCI Clk

When enabled, BIOS will detect the PCI slot and DIMM slot. If no any

device in, BIOS will auto disable its clock.

The options are: Enabled, Disabled.

Summary of Contents for VC31

Page 1: ...VC31 MAINBOARD MANUAL DOC No M01301 Rev A0 Date 7 2001 Part No 25 11618 00 ...

Page 2: ...ter components n Wear a static wrist strap which fits around your wrist and is connected to a natural earth ground n Touch a grounded or anti static surface or a metal fixture such as a water pipe n Avoid contacting the components on add on cards motherboards and modules with the golden fingers connectors plugged into the expansion slot It is best to handle system components by their monting brack...

Page 3: ... 2 4 1 Set System Jumpers Switches 2 4 ClearCMOS SW1 1 2 4 Clear Password SW1 2 2 5 FSB Speed Select SW2 2 6 2 Install Memory Modules 2 6 3 Install the CPU 2 7 4 Install Expansion Cards 2 8 5 Connect Devices 2 9 Floppy Diskette Drive Connector 2 9 IDE Device Connectors 2 10 Power Connectors 2 10 Fan Connectors 2 11 Wake On LAN Connector 2 11 CD Audio In Connector 2 12 Front Panel Block and Speaker...

Page 4: ... 2 16 Chapter 3 BIOS Setup CMOS Setup Utility 3 1 Standard CMOS Setup 3 2 Advanced BIOS Features 3 4 Advanced Chipset Features 3 7 Integrated Peripherals 3 9 Power Management Setup 3 14 PnP PCI Configurations 3 18 PC Health Status 3 19 Frequency Voltage Control 3 20 Load Fail Safe Defaults 3 21 Load Optimized Defaults 3 21 Supervisor User Password 3 21 Save and Exit Setup 3 22 Exit without Saving ...

Page 5: ... speed interface further ensures that data transfer speeds are improved especially for long sequential transfers required by audio visual applications The 1stMainboard VC31 comes with a versatile range of I O features such as 2 serial ports 1 parallel port 1 LAN jack optional 1 PS 2 mouse and keyboard connector 4 USB connectors 1 media connector front audio Line in Line out and Mic in game MIDI po...

Page 6: ...VC31 Mainboard Package Checklist If you discover any item below was damaged or lost please contact your vendor þ The mainboard þ This user manual þ One FDD cable þ One HDD cable þ One ATA 100 cable þ Two software CDs CD Pro CD Plus ...

Page 7: ...o 2GB SDRAM using two DIMMs of 64 128 256 512MB 1GB with support for lightning fast SDRAM 100 133MHz CNR AGP and PCI Expansion Slots One CNR one AGP Bus expansion slot and three PCI Bus expansion slots provided the room to install a full range of add on cards Onboard IrDA Connector An IrDA port integrated with front panel block connector for wireless infrared connections is available Flexible Proc...

Page 8: ...enabled 3D graphics cards can directly access main memory across this fast path instead of using local memory Enhanced PCI Bus Master IDE Controller with Ultra DMA 33 66 100 Support Integrated Enhanced PCI Bus Master IDE controller features two dual channel connectors that up to four Enhanced IDE devices including CD ROM and Tape Backup Drives as well as Hard Disk Drives supporting the new Ultra D...

Page 9: ...the installation instructions 2 After LogoGenie has been installed go to Windows Start Box In Programs Menu select LogoGenie 2 0 then select LogoGenie 3 Press F1 to read Help file to understand how to use this software if it is new to you BIOSGuardian BIOS Guardian by default is enabled It must be disabled in order to reflash BIOS thus effectively acts as a fire wall against viruses that can attac...

Page 10: ... settings menu and re set clock speed desired or default Easy Key Instead of completing the multi layered BIOS setup process these 3 Easy Key functions provide direct access to Sub Menu s when completing BIOS settings adjustments Easy Keys are as follows Ctrl c To enter clock settings menu Ctrl p To load Performance Default settings and restart Ctrl f To load Fail Safe Default settings and restart...

Page 11: ...all supporting software tools WARNING Excessive torque may damage the mainboard When using an electric screwdriver on the mainboard make sure that the torque is set to the allowable range of 5 0 8 0kg cm Mainboard components contain very delicate Integrated Circuit IC chips To prevent static electricity from harming any of the mainboard s sensitive components you should follow the following precau...

Page 12: ...2 2 VC31 Mainboard Manual Mainboard Layout Quick Reference from Page 2 2 to 2 4 ...

Page 13: ...2 3 Installation Procedures 1 Clear CMOS Clear Password FSB Speed Select 2 Front Panel Block Cable Connection ...

Page 14: ...et a jumper a black cap containing metal contacts is placed over the jumper pin s according to the required configuration A jumper is said to be shorted when the black cap has been placed on one or two of its pins The types of jumpers used in this manual are shown below NOTE Users are not encouraged to change the jumper settings not listed in this manual Changing the jumper settings improperly may...

Page 15: ...on if you forget your password To clear the password setting 1 Turn off your computer 2 Move the Clear Password switch SW1 2 to On Enabled 3 Turn on your computer 4 Hold down the Delete key during bootup and enter BIOS Setup to re enter user preferences 5 Turn off your computer 6 Move the Clear Password switch SW1 2 to Off Disabled 7 Turn on your com puter for the new settings to take effect ...

Page 16: ...te the DIMM slots on the mainboard 2 Install the DIMM straight down into the DIMM slot using both hands 3 The clip on both ends of the DIMM slot will close up to hold the DIMM in place when the DIMM reaches the slot s bottom FSB Speed Select JP1 This jumper allows you to select the FSB speed of your mainboard ...

Page 17: ...etup Screen Users can adjust the frequency through Frequency Voltage Control of the BIOS Setup Screen To install the CPU do the following 1 Lift the lever on the side of the CPU socket 2 Handle the chip by its edges and try not to touch any of the pins 3 Place the CPU in the socket Do not force the chip The CPU should slide easily into the socket 4 Swing the lever to the down position to lock the ...

Page 18: ...sure to unplug the power supply when adding or removing expansion cards or other system components Failure to do so may cause severe damage to both the mainboard and expansioncards Always observe static electricity precautions Please read Handling Precautions at the start of this manual To install an expansion card follow the steps below 1 Remove the computer chassis cover and select an empty expa...

Page 19: ...he expansion card 3 Holding the edge of the peripheral card carefully align the edge connector with the expansion slot 4 Push the card firmly into the slot Push down on one end of the expansion card then the other Use this rocking motion until the add on card is firmly seated inside the expansion slot 5 Connect Devices Floppy Diskette Drive Connector This connector provides the connection with you...

Page 20: ...hree connectors are linked with your ATX power supply The plug from the power supply will only insert in one orientation because of the different hole sizes Find the proper orientation and push down firmly making sure that the pins are aligned IDE Device Connectors These two connectors are used for your IDE hard disk drives CD drives LS 120 drives or IDE ZIP drives The red stripe of the ribbon cab...

Page 21: ...ip fan For preventing the system and chip from overheat damage the fans on this board will keep running when the system in suspend mode Wake On Lan Connector This 3 pin connector allows the remove servers to manage the system that installed this mainboard via your network adapter which also supports WOL When you install such a LAN card please read its installation guide for more information ...

Page 22: ...nectors for linking with HDD LED power LED dual power LED power button suspend button reset button and IR on the front panel of the system case Please identify polarities of plug wires for the case speaker and LEDs Please ask vendor about this information when you buy them and install the system by yourself The plug wires polari ties of these buttons will not affect the function ...

Page 23: ... disk drives are activated LED G is in green light when the system in power on status LED Y is in yellow light when the system in suspend mode Power Button is connected with power button Push this switch allows the system to be turned on and off rather than using the power supply button Suspend Button is connected with suspend button To enter the system into power saving mode simply press this but...

Page 24: ...e two extra USB connections They can link with front panels of some system cases Please note your operating system must support USB features such as MS Windows 98 MS Windows 95 OSR2 5 with USB Supplement The figure below is the pin assignment of the USB2 3 Optional LAN Connector The mfg optional RJ45 LAN jack is used for the LAN cable plug SPDIF Connector If your board has a pinhead JP2 onboard it...

Page 25: ... 25 pin D Sub female burgundy colored connector is attached to your printer Serial Port Connectors COM1 2 9 pin D sub male connector with teal color allow you to connect with your devices that use serial ports such as a serial mouse or an external modem ...

Page 26: ...acks LINE_OUT lime can be connected to headphones or preferably powered speakers LINE_IN light blue allows tape players or other audio sources to be recorded by your computer or played through the LINE_OUT MIC_IN pink allows microphones to be connected for voice input The mainboard also provides you with a front panel audio port connector FNT_AUDIO when needed Its pin definitions were presented be...

Page 27: ...nfiguration error and asks the user to run the Setup program Use the arrow keys to select and press Enter to run the selected program The mainboard comes with the chip that Award BIOS that contains the ROM Setup information of your system This chip serves as an interface between the processor and the rest of the mainboard s components This section explains the information contained in the Setup pr...

Page 28: ...ssary Use the arrow keys to highlight the item and then use PgUp or PgDn keys to select the value you want in each item Date To set the date highlight the Date field and then press Page Up Page Down or keys to set the current date Follow the month day and year format Time To set the time highlight the Time field and then press Page Up Page Down or keys to set the current time Follow the hour minut...

Page 29: ...er at which the disk drive changes the write current LandingZone The cylinder number that the disk drive heads read write are seated when the disk drive is parked Sector The sector number of each track defined on the hard disk Drive A Drive B This field records the types of floppy drives installed in the system To enter the configuration value for a particular drive highlight its corre sponding fi...

Page 30: ...ing The options are Enabled Disabled Quick Power On Self Test When enabled allows the BIOS to bypass the extensive memory test The options are Enabled Disabled Advanced BIOS Features Hard Disk Boot Priority This feature will auto detect all hard disks of bootable device on the sys tem It also allows users to select hard disk device booting priority First Second Third Boot Device This feature allow...

Page 31: ...the system boots up The options are On Off Gate A20 Option When set at Fast allows a faster access response under Protected mode The options are Fast Normal Typematic Rate Setting The term typematic means that when a keyboard key is held down the character is repeatedly entered until the key is released The options are Disabled Enabled Typematic Rate Chars Sec This feature is available only if the...

Page 32: ...ed Disabled MPS Version Control For OS When two CPUs onboard not this board this feature allows you to select MPS Multi Processor Spec version control for OS when logo test ex ecutes The options are 1 1 1 4 OS Select For DRAM 64MB If your operating system OS is OS 2 select the option OS2 Otherwise stay with the default setting Non OS2 The options are Non OS2 OS2 HDD S M A R T Capability S M A R T ...

Page 33: ...cy time when any SDRAM DIMM installed The options are 1 5 2 2 5 3 Active to Precharge Delay This feature allows user to set Active to Precharge Delay if any SDRAM installed The options are 7 6 5 DRAM RAS to CAS Delay The feature allows user to set the delay time that from the DRAM RAS active to CAS The options are 3 2 DRAM RAS Precharge Time The feature allows user to set the DRAM RAS Precharge Ti...

Page 34: ...the DRAM Read Thermal Management register which in the chip of Intel 845 for the trade off between system temperature and its performance The options are 3 2 System BIOS Cacheable SettingatEnabledwillallowthecachingoftheBIOSROMF0000H FFFFFH resulting in better system performance It may cause system error when some programd try to access the memory area The options are Disabled Enabled Video BIOS C...

Page 35: ... Eanbled will abort the current PCI master cycle and to accept the new PCI master request it reaccepts the original PCI master and returns the PCI data phase to the original PCI master It will enhance the system performance The options are Disabled Enabled AGP Graphics Aperature Size MB It allows user to select the main memory frame size of AGP use The options are 4 8 16 32 64 128 256 ...

Page 36: ...he PCI primary IDE hard drive slave mode if Ultra DMA is supported both on the motherboard and the hard disk The options are Auto Disabled IDE Primary Master PIO Allows an automatic or a manual configuration of the PCI primary IDE hard drive master mode The options are Auto Mode 0 Mode 1 Mode 2 Mode 3 Mode 4 On Chip Secondary PCI IDE When enabled it allows you to use the onboard secondary PCI IDE ...

Page 37: ...eature The options are Disabled Enabled USB Keyboard Support When a USB keyboard is installed please set at Enabled The options are Enabled Disabled AC97 Audio This feature allows users to enable or disable the AC97 audio function The options are Auto Disabled AC97 Modem This feature allows users to enable or disable the AC97 modem function The options are Auto Disabled Init Display First When you...

Page 38: ...er When enabled the floppy diskette drive FDD controller is activated The options are Enabled Disabled POWER ON Function Allows you to set the method for powering on the system The default option of BUTTON ONLY allows system power on using the standard system case mounted ON OFF switch The option Password allows you to set up to 5 alphanumeric characters to power on the system The option Any Key a...

Page 39: ...are SPP EPP ECP ECP EPP Onboard Parallel Port Allows you to select from a given set of parameters if the parallel port uses the onboard I O controller The options are 378 IRQ7 278 IRQ5 3BC IRQ7 Disabled EPP Mode Select This feature allows you to select the EPP type version The options are EPP1 7 EPP1 9 ECP Mode Use DMA This feature allows you to select Direct Memory Access DMA channel if the ECP m...

Page 40: ...ect suspend mode when the system in ACPI mode The options are S1 POS S3 PTR Midi Port IRQ It allows you to select Midi IRQ if Midi is enabled The options are 10 5 USB KB Wake Up From S3 When set at Enabled it allows USB keyboard to activate the system from ACPI S3 power saving mode The options are Disabled Enabled Power Management This item allows you to adjust the power management features ...

Page 41: ...pend MODEM Use IRQ This feature allows you to select the IRQ to meet your modem s IRQ The options are 3 4 5 7 9 10 11 Video Off Method The option V H SYNC Blank allows the BIOS to blank off screen display by turning off the V Sync and H Sync signals sent from add on VGA card DPMS allows the BIOS to blank off screen display by your add on VGA card which supports DPMS Display Power Management Signal...

Page 42: ...sume by Alarm This feature allows you to set the when the system being turned on from the system power off status The options are Enabled Default Disabled Date of Month This feature allows you to set the day of the alarm starts when the RTC Alarm Resume From Soft Off is set to be Enabled The options are 0 1 31 Soft Off by PWR BTTN The selection Delay 4 Sec will allow the system shut down after 4 s...

Page 43: ...and the system will not be into the suspend mode The options are Disabled Default Enabled Secondary IDE 1 When the secondar slave HDD is working the system timer will be re loaded and the system will not be into the suspend mode The options are Disabled Default Enabled Primary IDE 0 When the primary master HDD is working the system timer will be re loaded and the system will not be into the suspen...

Page 44: ...Palette Snoop Set this feature to be enabled if any ISA adapter card installed in the system requires the VGA palette snoop function The options are Disabled Enabled Resources Controlled By If set at Auto the BIOS arranges all system resources If there exists con flict select Manual The options are Auto ESCD Manual If the manual options after the featrue IRQ Resources being pressed of IRQ Assigned...

Page 45: ...own Temperature This feature helps to shutdown the system when the system temperature is as high as the selected temperature to prevent from the overheat prob lem The option list presents all the temperatures that supported by the board and Disabled INT Pin 1 2 3 4 5 6 7 8 Assignment This feature allows you to assign the PCI IRQ numbers for PCI slots Selecting the default Auto allows the PCI contr...

Page 46: ...down spread type The options are Disabled Enabled CPU Clock Ratio This feature allows you to select the frequency mulitplier for CPU host clock The option list offers the ratios from X 3 to X 8 Auto Detect PCI Clk When enabled BIOS will detect the PCI slot and DIMM slot If no any device in BIOS will auto disable its clock The options are Enabled Disabled ...

Page 47: ...provide the best system performance Supervisor User Password To enable the Supervisor User passwords select the item from the Standard CMOS Setup You will be prompted to create your own password Type your password up to eight characters and press Enter You will be asked to confirm the password Type the password again and press Enter To disable password press Enter twice when you are prompted to en...

Page 48: ...ge anything press Esc again or move cursor to Exit Without Saving and press Y to retain the Setup settings The following message will appear at the center of the screen to allow you to save data to CMOS and exit the setup utility SAVE to CMOS and EXIT Y N Under the BIOS Feature Setup if Setup is selected under the Security Option field and the Supervisor User Password is enabled you will be prompt...

Page 49: ...Set up supporting software tools WARNING Excessive torque may damage the mainboard When using an electric screwdriver on the mainboard make sure that the torque is set to the allowable range of 5 0 8 0kg cm Mainboard components contain very delicate Integrated Circuit IC chips To prevent static electricity from harming any of the mainboard s sensitive components you should follow the following pre...

Page 50: ...6 2 VC31 Mainboard Manual Mainboard Layout Quick Reference ...

Page 51: ...6 3 Quick Reference 1 Clear CMOS Clear Password FSB Speed Select 2 Front Panel Block Cable Connection ...

Page 52: ... fan will turn off when it reverts back to full on mode the fan will turn back on Without sufficient air circulation the CPU may overheat resulting in damage to both the CPU and the mainboard Damage may occur to the mainboard and or the CPU fan if these pins are used incorrectly These are not jumpers do not place jumper caps over these pins ...

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