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Frequency/Voltage Control

Auto Detect DIMM/PCI Clk

This item allows you to enable/disable auto detect DIMM/PCI Clock.

The choice: Enabled, Disabled.

Spread Spectrum

This item allows you to enable/disable the spread spectrum modulate.

The choice: Disabled, 0.25%, 0.5%.

CPU Host Clock (CPU/PCI)

The choice: Default, 66/33MHz ~ 150/37MHz.

CPU/PCI Clock Ratio

This item allows the user to adjust CPU Host Clock/Internal Clock
ration when JP37 is set to Auto.
The user may adjust CPU Clock Ratio from x2 to x8.
This item will not show up when JP37 is set to Manual.

The choice: x2, x2.5, x3, x3.5, x4, x4.5, x5, x5.5, x6, x6.5, x7,
x7.5, x8.

Summary of Contents for AV64

Page 1: ...AV64 Pentium II III processor Based AGPsetMAIN BOARD User s Manual ...

Page 2: ...ity however no guarantee is given as to the correctness of the contents In the interest of continued product improve ment this company reserves the right to revise the manual or include changes in the specifi cations of the product described within it at any time without notice and without obligation to notify any persion of such revision or changes The information contained in this manual is prov...

Page 3: ... 10 Accessories Of AV64 10 STEP 1 Install the CPU 11 STEP 2 Set Jumpers 13 STEP 3 Install SDRAM System Memory 13 STEP 4 Install Internal Peripherals in System Case 14 STEP 5 Mount the Mainboard on the Computer Chassis 15 STEP 6 Connect Front Panel Switches LEDs Speaker 16 STEP 7 Connect IDE Floppy Disk Drives 18 STEP 8 Connect Other Internal Peripherals 18 STEP 9 Connect the Power Supply 19 STEP 1...

Page 4: ...30 Boot Block Protection J44 31 PS 2 Keyboard PS 2 Mouse Connectors 31 USB1 USB2 Port Connectors 31 COM1 COM2 Connector 32 Parallel Port Connector 32 ATX Power On Off Switch Connector PWON S1 32 Green LED Connector GLED J48 32 EPMI Connector EPMI J42 33 HDD LED Connector IDE LED S3 33 Hardware Reset Connector RST J32 33 Speaker Connector SPEAKER JP24 34 PWR LED Connector PWR LED J27 34 Keylock Con...

Page 5: ...TO VIEW THE USER S MANUAL 41 5 BIOS SETUP 42 5 1 ENTERING BIOS 42 5 2 THE MAIN MENU 43 Standard CMOS Setup 45 BIOS Features Setup 49 Chipset Features Setup 53 Integrated Peripherals 57 Power Management Setup 62 PnP PCI Configuration 55 CPU Features Setup 65 PC Health Status Setup 68 Frequency Voltage Setup 70 Load Fail safe Defaults 71 Load Optimized Defauits 71 Supervisor User Password Setting 72...

Page 6: ...ge 10 Jumper Settings A Closer Look Page 23 Software Utility How to Install Page 39 BIOS Setup How to Configure Page 42 About This Manual For First Time DIY System Builder Page 5 For Experienced DIY User Page 5 For System Integrator Page 5 WHAT SINTHEMANUAL ...

Page 7: ...new Shuttle AV64 mainboard is just that easy Bundled with an array of onboard functions the highly integrated AV64 mainboard provides you with a total solution to build the most stable and reliable system Refer to section 3 2 Jumper Settings and Chapter 4 Software Utility to find out how to get the best out of your new mainboard Chapter 5 BIOS Setup also contains relevant information on how to tun...

Page 8: ...th onboard Slot1 built in VIA694X chipset ATX form factor including 2xUSB 2xSerial and 1xParallel ports plus 1xPS 2 Keyboard and 1xPS 2 Mouse connectors One ATA 66 Ribbon Cable One Floppy Ribbon Cable One set of Universal Retention Mechanism This AV64 User s Manual One CD ROM containing The AV64 user s manual on PDF format The VIA 4 IN 1 Drivers The Award Flashing Utility ...

Page 9: ...rating speed is software configurable in the CMOS Setup menu of the BIOS Setup utility Versatile Memory Support Equipped with three DIMM banks of PC 100 and PC 133 compliant SDRAM to provide up to 768MB of system memory Configurable support for EC Error Checking and ECC Error Checking and Correcting AGP Slots AGP V2 0 Compliant Supports Side Band Addressing SBA mode Supports 266MHz 4X mode for AD ...

Page 10: ... provide support to a maximum of four IDE devices one Master and one Slave per channel The IDE Bus implements data transfer speeds of up to 66 MB sec and also supports Enhanced PIO Modes 3 4 ATX Power Supply Connector ATX power supply unit can connect to the onboard 20 pin ATX power connector supporting Suspend and Soft On Off by dual function power button Advanced Configuration and Power Interfac...

Page 11: ... a system power on function by keyboard or PS 2 mouse Wake on LAN WOL The onboard WOL connector can be attached to a network card that supports this function to wake up the system via the LAN Modem Ring Power On The system can be powered on automatically by activation of the modem ring Optional Features Voltage Monitoring Monitors various voltages of key elements such as the CPU and other critical...

Page 12: ...efer to the following mainboard layout to help you identify various jumpers connectors slots and ports Then follow these steps designed to guide you through a quick and correct instal lation of your system 3 1 Step by Step Installation Accessories Of AV64 3HARDWAREINSTALLATION ...

Page 13: ...its cover Locate the Retention Mechanism 1 around the Slot 1 Take care of the Square Cut Mark 1 1 Fix 1 by inserting Attach Mounts 1 4 up through holes A1 A4 in the bottom of the mainboard and screw the four captive nuts 1 3 Install the CPU Insert CPU 2 into the Retention Mechanism 1 Ensure that the alignment notch in the processor fits over the plug 1 2 then push processor down firmly until it is...

Page 14: ...te side of Slot 1 Fix 3 by inserting Attach Mounts 4 up through holes A1 A4 in the bottom of the mainboard and screw the four captive nuts 3 1 Install the CPU Hold the processor 5 so that the Heatsink is facing toward the DIMM sockets on the mainboard Slide the processor into the RM Push the provessor down firmly with even pressure on both sides of the top until it is seated ...

Page 15: ... are not totally familiar with mainboard configuration procedures The factory set default settings are tuned for optimum system performance For the advanced users who wish to custom ize their system section 3 2 Jumper Settings will provide detailed informa tion on how to configure your mainboard manually Step 3 Install SDRAM System Memory To install memory insert SDRAM memory module s in any one t...

Page 16: ...equired jumpers on each device according to the instructions provided by the manufacturer IDE devices HDD and CD ROM have to set jumpers to Master or Slave mode depending on whether you install more than one device of each kind 2 Connect IDE cable and FDD cable on the back panel of the internal peripheral devices Note that the cable should be oriented with its colored stripe usually red or magenta...

Page 17: ...ssis and the mainboard The studs are used to fix the mainboard and to keep a certain distance between the system chassis and the mainboard in order to avoid any electrical shorts be tween the board and the metal frame of the chassis If your computer case is already equipped with mounting studs you will need to tighten screws to attach the mainboard Note In most computer housings you will be able t...

Page 18: ...ady existing in the system case and originating from the computer s front panel devices HDD LED Power LED Reset Switch PC Speaker etc These cables serve to connect the front panel switches and LEDs to the mainboard s front panel connectors group as shown below 1 ATX Soft Power On Off 2 Power LED 3 HDD LED ...

Page 19: ... 17 4 EPMI Hardware System Management Interface 5 Green LED 6 PC Speaker 7 Hardware Reset Switch 8 Keylock ...

Page 20: ... 18 Step 7 Connect IDE Floppy Disk Drives 1 IDE cable connector 2 FDD cable connector Step 8 Connect Other Internal Peripherals 1 IR connector ...

Page 21: ... 19 Step 9 Connect the Power Supply 1 System power connector Step 10 Install Add on Cards in Expansion Slots 1 Accelerated Graphics Port AGP Card 2 PCI Card 3 ISA Card ...

Page 22: ... are now ready to put the computer case back together and get on to the external peripherals connections to your system s back panel 1 PS 2 Mouse and Keyboard 2 USB Devices 3 Parallel Port 4 COM Ports PS 2 Mouse PS 2 keyboard USB1 USB2 COM12 COM2 Parallel Port ...

Page 23: ...ce available to the extended partition The FDISK utility will assign a drive letter i e C D E to each partition which will be shown in the FDISK program After FDISK procedure reboot your system by using the same system floppy disk Note DOS 6 2x and Windows 95A can only support up to 2 1GB of HDD partition If you use the FDISK utility with one of the operating systems mentioned above you can only d...

Page 24: ...ms only Make sure your Windows 9x operating system is already installed before running the drivers installation CD ROM programs 1 Insert the AV64 bundled CD ROM into your CD ROM drive The auto run program will display the drivers main installation window on screen 2 Select the Mainboard related program 3 Install AV64 Driver for Win9x Win NT ...

Page 25: ...with two pins are shown as for Close On or for Open Off To Short jumper pins simply place a plastic jumper cap over the desired pair of pins Caution 1 Do not remove the mainboard from its antistatic protective packaging until you are ready to install it 2 Carefully hold the mainboard by its edges and avoid touching its components When putting the mainboard down place it on top of its original pack...

Page 26: ...I Celeron processors J5 J3 J4 Three DIMM Sockets for 8 16 32 64 128 256MB 3 3V SDRAM AGP One AGP Accelerated Graphics Port Slot PCI Five 32 bit PCI Expansion Slots ISA Two 16 bit ISA Expansion Slots Jumpers JP38 Keyboard PS 2 Mouse Power On requires to always set JP38 jumper in order to enable either or both KB PS 2 mouse power on functions In addition you need to set Power On Function in BIOS set...

Page 27: ...pe switch HDD S3 IDE Drive Active LED RST J32 Hardware Reset Switch SPEAKER JP24 Housing Internal Speaker PWR LED J27 System Power LED KEYLOCK J27 Keylock Internal Peripherals Connectors FDD Floppy Disk Drive Interface IDE1 IDE Primary Interface Dual channel IDE2 IDE Secondary Interface Dual channel Other Connectors ATX Power 20 pin header CPU FAN JP29 CPU Cooling Fan Power FAN JP28 Housing Coolin...

Page 28: ... on the system by PS 2 mouse you only need to double click with the mouse Note that power on by serial mouse is not supported To enable disable either or both keyboard and PS 2 mouse power on func tions follow the steps outlined below JP38 1 3 4 6 default Step 1 Adjust the jumper group JP38 as shown in the following table Step 2 Set the Power On field to the proper value Hot key or PS 2 Mouse in I...

Page 29: ...ust your CPU host frequency manually Insert mini jumper caps properly on JP39 to reach desired CPU Host Frequency as shown in the following table 2 System Clock JP39 1 2 3 4 5 6 7 8 66 MHz OFF OFF ON ON 75 MHz ON OFF ON ON 83 MHz OFF ON ON ON 100 MHz OFF OFF OFF ON 112 MHz ON OFF OFF ON 133 MHz Default OFF OFF OFF OFF 140 MHz ON ON OFF OFF 150 MHz ON OFF OFF OFF Note 75 83 MHz are over clock usage...

Page 30: ...z x 5 366 MHz 66MHz x 5 5 400 MHz 66MHz x 6 433 MHz 66MHz x 6 5 466 MHz 66MHz x7 500 MHz 66MHz x 7 5 System Clock JP39 Multiplier JP37 Processor 350 MHz 100MHz x 3 5 400 MHz 100MHz x 4 450 MHz 100MHz x 4 5 500 MHz 100MHz x 5 550 MHz 100MHz x 5 5 600 MHz 100MHz x6 600 MHz 133MHz x4 5 667 MHz 133MHz x5 733 MHz 133MHz x5 5 System Clock JP39 Multiplier JP37 Multiplier JP37 1 2 3 4 5 6 7 8 66 MHz 100 M...

Page 31: ...p 1 Turn off the system power PC Off Step 2 Remove jumper cap from JP19 pins 1 2 Step 3 Place the jumper cap on JP19 pin 2 3 for a few seconds Step 4 Return the jumper cap to pin 1 2 Step 5 Turn on the system power PC On ICH Voltage Setting J32 This jumper allows you to select the voltage supplied to the VT82C596B The default voltage should be used unless some IDE devices need more voltage supplie...

Page 32: ...r Clocking the CPU J55 JP45 AV64 mainboard provides two special jumpers J55 to over clock FSB up to 100MHz and JP45 to over clock FSB up to 133MHz when CPU configura tion performed by hard configure Warning Over clocking is not a recommended practice for it may damage both the mainboard and the processor 6 Increase 0 15 CPU Core Voltage Increase 0 5 CPU Core Voltage Increase 1 5 CPU Core Voltage I...

Page 33: ...use connectors are located at the rear panel of the mainboard Depend ing on the computer housing you use desktop or minitower the PS 2 Mouse connector is situated at the top of the PS 2 Keyboard connector when the mainboard is laid into a desktop as op posed to a minitower where the PS 2 Mouse connector is located at the right of the PS 2 Keyboard s Plug the PS 2 keyboard and mouse jacks into thei...

Page 34: ...h is a momen tary type switch used for turning on or off the system s ATX power supply Attach the connector cable from the Power Switch to the 2 pin PWON header on the mainboard Green LED Connector GLED J48 The Green LED GLED indicates that the system is currently in one of the power savings mode Doze Standby Suspend When the system resumes to normal operation mode the Green LED will go off Attach...

Page 35: ... savings mode press again to resume normal operation HDD LED Connector HDD S3 Attach the connector cable from the IDE device LED to the 2 pin HDD LED header The HDD LED lights up whenever an IDE device is active Hardware Reset Connector RST J32 Attach the 2 pin hardware reset switch cable to the RST header Pressing the reset switch causes the system to restart 15 16 17 ...

Page 36: ... the 3 pin Power LED connector cable from the housing front panel to the PWR header on the mainboard The power LED stays lit while the system is running Keylock Connector KEYLOCK J27 Attach the 2 pin Power LED connector cable from the housing front panel to the PWR header on the mainboard The power LED stays lit while the system is running 18 19 20 ...

Page 37: ... make sure to always connect with the red cable stripe on the same side as pin 1 of the IDE1 IDE2 or FDC connector on the mainboard ATX Power Supply Connector Locate the 20 pin male header ATX power connector on your mainboard Plug the power cable from the ATX power supply unit directly into ATX power supply connector Note 1 The ATX power connector is directional and will not go in unless the guid...

Page 38: ... Pin Assignments 1 VCC 2 CIRRX 3 IRRX 4 Ground 5 IRTX Step 1 Attach the 5 pin infrared device cable to JP4 connector Refer to the above diagram for IR pin assignment Step 2 Configure the Infrared transfer mode in the UR2 Mode field of integrated Peripherals menu in BIOS Setup This mainboard supports IrDA ASKIR Normal and SCR transfer modes 23 Note Both cable wiring and type of plug may vary depend...

Page 39: ... WOL function This function lets users wake up the connected system through the LAN card 25 SB Link Connector JP46 The main board provides a 2x3 pin SB Link header accepts the Creative CT4600 series PCI sound cards with PCI solution to connect the legacy Sound Blaster com patible audio to the PCI bus 26 ...

Page 40: ...oth error checking and correction of the data Install Memory Install memory in any or all of the banks and in any combination as follows Note You do not need to set any jumper to configure memory since the BIOS utility can detect the system memory automatically You can check the total system memory value in the BIOS Standard CMOS Setup menu Upgrade Memory You can easily upgrade the system memory b...

Page 41: ...screen should appear If the AutoRun screen does not appear double click or run D Autorun exe assuming that your CD ROM drive is drive D Navigation Bar Description Install Mainboard Software Installing AV64 Mainboard Drivers for Windows Manual AV64 series mainboard user s manual in PDF format Link to Shuttle Homepage Link to shuttle website homepage Browse this CD Allows you to see the contents of ...

Page 42: ...lick on Autorun icon in My Computer to bring up Shuttle Mainboard Software Setup screen Select using your pointing device e g mouse on the Install Mainboard Software bar Once you made your selection a Setup window which automatically runs the installation When the files are done copying make sure you reboot the system to insure that the files are installed correctly ...

Page 43: ...ear double click on Autorun icon in My Computer to bring up Shuttle Mainboard Software Setup screen Select using your pointing device e g mouse on the Manual bar Then Online Information windows will appear on your screen Click on the Install Acrobe Reader 3 0 bar if you need to install acrobe reader Then click on AV64 Manual bar to view AV64 user s manual ...

Page 44: ...its POST Power On Self Test routine checks Step 2 Press Del key immediately or at the following message Press DEL to enter SETUP or simultaneously press Ctrl Alt Esc keys Note 1 If you miss the train the message disappears before you can respond and you still wish to enter BIOS Setup restart the system and try again by turning the computer OFF and ON again or by pressing the RESET switch located a...

Page 45: ...that a brief description of each highlighted selection appears at the bottom of the screen Setup Items The main menu includes the following main setup categories Recall that some systems may not include all entries Standard CMOS Features Use this menu for basic system configuration Advanced BIOS Features Use this menu to set the Advanced Features available on your system Advanced Chipset Features ...

Page 46: ...ncy voltage control Load Fail Safe Defaults Use this menu to load the BIOS default values for the minimal stable performance for your system to operate Load Optimized Defaults Use this menu to load the BIOS default values that are factory settings for optimal performance system operations While Award has de signed the custom BIOS to maximize performance the factory has the right to change these de...

Page 47: ... use the PgUp or PgDn keys to select the value you want in each item Date Month DD YYYY Set the system date Note that the Day automatically changes when you set the date Time HH MM SS Set the system time IDE Primary Master Options are in its sub menu Press Enter to enter the sub menu of detailed options IDE Primary Slave Options are in its sub menu Press Enter to enter the sub menu of detailed opt...

Page 48: ...44M 3 5 in 2 88M 3 5 in Video Select the default video device The choice EGA VGA CGA 40 CGA 80 MONO Halt On Select the situation in which you want the BIOS to stop the POST process and notify you The choice All Errors No Errors All but Keyboard All but Dis kette All but Disk Key Base Memory Displays the amount of conventional memory detected during boot up The choice N A Extended Memory Displays t...

Page 49: ...ill let you select the number of cylinders heads etc Note PRECOMP 65535 means NONE The choice None Auto Manual Access Mode Choose the access mode for this hard disk The choice Normal LBA Large Auto Capacity Disk drive capacity Approximated Note that this size is usually slightly greater than the size of a formatted disk given by a disk check ing program Auto Display your disk drive size The follow...

Page 50: ... 48 Precomp Warning Setting a value of 65535 means no hard disk Min 0 Max 65535 Landing zone Set the Landing zone size Min 0 Max 65535 Sector Number of sectors per track Min 0 Max 255 ...

Page 51: ...abled and someone at tempt to write data into this area BIOS will show a warning message on screen and alarm beep Enabled Activates automatically when the system boots up causing a warning message to appear when anything attempts to access the boot sector or hard disk parti tion table Disabled No warning message will appear when anything attempts to access the boot sector or hard disk parti tion t...

Page 52: ... This item speeds up Power On Self Test POST after you power on the computer If it is set to Enabled BIOS will shorten or skip some check items during POST The choice Enabled Disabled First Second Third Boot Device The BIOS attempts to load the operating system from the devices in the sequence selected in these items The Choice Floppy LS ZIP HDD 0 SCSI CDROM HDD 1 HDD 2 HDD 3 LAN Disabled Boot Oth...

Page 53: ...l provide this support it is more common and much faster set to Fast for the system chipset to provide support for gate A20 The choice Normal Fast Typematic Rate Setting Key strokes repeat at a rate determined by the keyboard controller When enabled the typematic rate and typematic delay can be se lected The choice Enabled Disabled Typematic Rate Chars Sec Sets the number of times a second to repe...

Page 54: ...hing and just press Enter it will disable security Once the security is disabled the system will boot and you can enter Setup freely OS Select For DRAM 64MB Select the operating system that is running with greater than 64MB of RAM on the system The choice Non OS2 OS2 Video BIOS Shadow Determines whether video BIOS will be copied to RAM However it is optional depending on chipset design Video Shado...

Page 55: ...s should never need to be altered The default settings have been chosen because they provide the best operating conditions for your system The only time you might con sider making any changes would be if you discovered that data was being lost while using your system Bank x x DRAM Timing This value in this field is set by the system board manufacturer de pending on whether the board has paged DRAM...

Page 56: ...ystem BIOS Cacheable Selecting Enabled allows caching of the system BIOS ROM at F0000h FFFFFh resulting in better system performance However if any program writes to this memory area a system error may result The choice Enabled Disabled Video RAM Cacheable This is a new cache technology for the video memory of the processor It can greatly improve the display speed by caching the display data You m...

Page 57: ...ystem will resume by activity of LAN If enabled this feature system will power on itself from power off when the activity of LAN The choice Enabled Disabled CPU to PCI Write Buffer When enabled up to four Dwords of data can be written to the PCI bus without interrupting the CPU When disabled a write buffer is not used and the CPU read cycle will not be completed until the PCI bus signals that it i...

Page 58: ...ou enable disable the PCI 2 Access 1 Retry The choice Enabled Disabled AGP Master 1 WS Write This implements a single delay when writing to the AGP Bus By default two wait states are used by the system allowing for greater stability The choice Enabled Disabled AGP Master 1 WS Read This implements a single delay when reading to the AGP Bus By default two wait states are used by the system allowing ...

Page 59: ...oller is Enable or Disable setting The choice Enabled Disabled IDE Prefetch Mode Enable prefetching for IDE drive interfaces that support its faster drive accesses If you are getting disk drive errors change the setting to omit the drive interface where the errors occur Depending on the configuration of your IDE subsystem this field may not appear and it does not appear when the Internal PCI IDE f...

Page 60: ...mainboard AV11 PCIset improves IDE transfer rate using Bus Master UltraDMA 33 66 IDE which can handle data transfer up to 33MB sec Auto is the default settings for on board Primary Master Slave UltraDMA 33 66 Note Your hard drive must also support UDMA for this feature to work The choice Auto Disabled Secondary Master Slave UDMA On this mainboard AV64 PCIset improves IDE transfer rate using Bus Ma...

Page 61: ...m of PS 2 Mouse or HOT Key is selected please also adjust jumper JP38 to the proper position 2 USB keyboard USB Mouse and Serial Mouse are not supported to this function KB Power On Password Power on by soft on off The choice Enter Hot Key Power ON Power on by soft on off button and keyboard are available The choice Ctrl F1 to Ctrl F12 KBC Input Clock This item to set the input clock to onboard ke...

Page 62: ...t Note FIR is not available currently The choice IrDA ASKIR Normal UART2 Duplex Mode This item specifies onboard infrared transfer mode to full duplex This item will not show up when IrDA ASKIR modes are selected The choice Full Half RxD TxD Active This item specifies the Active level for RxD TxD signal The choice Hi Hi Hi Lo Lo Hi Lo Lo IR Transmittion delay This item enable disable the delay of ...

Page 63: ...will not show up when SPP and EPP printer mode is selected The choice 1 3 EPP Mode Select This item select the EPP Mode The choice EPP1 7 EPP1 9 POWER After PWR Fail This item to set the ATX power supply status when power resume after unexpected power fail When off is selected power supply will maintain on soft off status when power is resume When on is se lected power supply will turn on and when...

Page 64: ...er Management ACPI The choice Enabled Disabled Power Management This category allows you to select the type or degree of power saving and is directly related to the following modes HDD Power Down Doze Mode Suspend Mode Min Power Saving Minimum power management Doze Mode 1 hr Standby Mode 1 hr Suspend Mode 1hr and HDD Power Down 15 min Max Power Saving Maximum power management ONLY AVAILABLE FOR SL...

Page 65: ...NDBY or SUSPEND The choice Yes No Video Off Option This item define when to activate the video off feature for monitor power management The choice Suspend Doze N A Video Off Method This determines the manner in which the monitor is blanked V H SYNC Blank This selection will cause the system to turn off the vertical and horizontal synchronization ports and write blanks to the video buffer Blank Scr...

Page 66: ... shut place the system off The choice Instant Off Delay 4 Sec Modem Ring Resume When set to Enabled any event occurring Modem Ring activity of LAN will awaken a system which has been powered down The choice Enabled Disabled RTC Alarm Resume When set to Enabled RTC Alarm Resume you could set the date of month and timer hh mm ss any event occurring at RTC will awaken system which has been powered do...

Page 67: ... OS Installed This item allows you to determine install PnP OS or not The choice Yes No Reset Configuration Data Normally you leave this field Disabled Select Enabled to reset Ex tended System Configuration Data ESCD when you exit Setup if you have installed a new add on and the system reconfiguration has caused such a serious conflict that the operating system can not boot The choice Enabled Disa...

Page 68: ...PCI ISA PnP for devices compli ant with the Plug and Play standard whether designed for PCI or ISA bus architecture The Choice Reserved PCI Device DMA 0 1 3 5 6 7 assigned to These items allow you to determine the DMA assigned to the ISA bus and is not available for PCI slot The choice Legacy ISA PCI ISA PnP PCI VGA Palette Snoop Leave this field at Disabled The Choice Enabled Disabled Assign IRQ ...

Page 69: ...ts the guaranteed time slice allocated to the VT82C694X after which it must complete the current data transfer phase and surrender the bus as soon as its bus grant is removed The PCI Latency Timer is used to guarantee to the PCI agents a mini mum amount of the sytem resource The Choice 0 255 ...

Page 70: ... clock to prevent CPU damage The choice Disabled 50 C 122 F 53 C 127 F 56 C 133 F 60 C 140 F 63 C 145 F 66 C 151 F 70 C 158 F Current System Temp Since the mainboard support System temperature monitoring and overheat alert This item indicate the current main board temperature Current CPU1 Temperature Since the mainboard support CPU temperature monitoring and overheat alert This item indicate the c...

Page 71: ...ut of the voltage regulators and power supply Shutdown Temperature Select the combination of lower and upper limits for the system shut down temperature if your computer contains an environmental moni toring system If the temperature extends beyound either limit the system shuts down The choice Disabled 60 C 140 F 65 C 149 F 70 C 158 F 75 C 167 F ...

Page 72: ...e the spread spectrum modulate The choice Disabled 0 25 0 5 CPU Host Clock CPU PCI The choice Default 66 33MHz 150 37MHz CPU PCI Clock Ratio This item allows the user to adjust CPU Host Clock Internal Clock ration when JP37 is set to Auto The user may adjust CPU Clock Ratio from x2 to x8 This item will not show up when JP37 is set to Manual The choice x2 x2 5 x3 x3 5 x4 x4 5 x5 x5 5 x6 x6 5 x7 x7 ...

Page 73: ...N Pressing Y loads the BIOS default values for the most stable minimal performance system operations Load Optimized Defaults When you press Enter on this item you get a confirmation dialog box with a message similar to Load Optimized Defaults Y N N Pressing Y loads the default values that are factory settings for optimal performance system operations ...

Page 74: ...access to the options By setting separate Supervisor and User password a system supervisor can limit who can change critical Setup values Enter Password Type the password up to eight characters and press Enter The password typed now will clear any previously entered password from CMOS memory You will be asked to confirm the password Type the password again and press Enter You may also press Esc to...

Page 75: ...system is rebooted or any time you try to enter Setup If you select Setup at Security Option of BIOS Features Setup Menu you will be prompted only when you try to enter Setup Warning Retain a record of your password in a safe place If you forget the password the only way to access the system is to clear CMOS please refer to page 29 Clear CMOS ...

Page 76: ... The next time you boot your computer the BIOS configures your system according to the Setup selections stored in CMOS After saving the values the system is restarted again Exit Without Saving Pressing Enter on this item asks for confirmation Quit without saving Y N Y This allows you to exit Setup without storing in CMOS any change The previous selections remain in effect This exits the Setup util...

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