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Shuttle FB81 Manual

Pentium 4, lga 775 processor based mainboard
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FB81
Pentium 4, LGA 775 Processor
Based MAIN BOARD

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Summary of Contents for Shuttle FB81

  • Page 1 FB81 Pentium 4, LGA 775 Processor Based MAIN BOARD...
  • Page 2 The information contained in this manual is provided for general use by the customers. Trademarks Shuttle is a registered trademark of Shuttle Inc. Intel, Pentium is a registered trademarks of Intel Corporation. PS/2 is a registered trademark of IBM Corporation.
  • Page 3 Statement of Shuttle Mainboard via the EMI Test Shuttle mainboards have been via the EMI test in terms of series of regulations: EN55022/ CISPR22/AS/NZS3548 Class B, EN55024 (1998/AS/NZS), EN4252.1 (1994), EN61000, ANSI C63.4 (1992), CFR47 Part 15 Subpart B, and CNS13438 (1997). The items tested are illus- trated as follows: (A) Voltage: AC 110V/60HZ &...
  • Page 4 Case FB81 Power Supply PC43I3503 Serial ATA Westerm Digital WD1200JD-00FYB0 Shuttle Card Reader A011 Pioneer DVD Player DVD-116 (E) Notices for Assembling Computers: 1. Cases should be made of iron or other metal that has good electric conductivity. 2. Cylinders in a case should be made of metal, and as having a mainboard mounted in a case, make sure screws are all utilized and fastened on a mainboard.
  • Page 5 Important Safety Information SAFETY INSTRUCTIONS 1. Please read these safety instructions carefully. 2. Please keep this User‘s Manual for later reference. 3. Please disconnect this equipment from AC outlet before cleaning. Don‘t use liquid or sprayed detergent for cleaning. 4. For pluggable equipment, the socket-outlet shall be installed near the equipment and shall be easily accessible.

  • Page 6: Table Of Contents

    2.1 SPECIFICATIONS ..................8 3 HARDWARE INSTALLATION ............11 3.1 STEP BY STEP INSTALLATION ..............11 Accessories of FB81 ................11 STEP 1 CPU Installation ................ 12 STEP 2 Set Jumper ................14 STEP 3 Install DDR SDRAM System Memory........14 STEP 4 Install Internal Peripherals in System Case ........
  • Page 7 STEP 13 Install Driver & Software Components ........23 3.2 JUMPER SETTINGS ................. 24 JUMPERS & CONNECTORS GUIDE ............ 25 Back-Panel Connectors VGA Port ....................28 COM Port ....................28 Clear CMOS Button ................28 1394 Port ....................28 PS/2 Keyboard & PS/2 Mouse Ports ............. 28 Giga LAN Port ..................
  • Page 8 CD-IN/Mini CD-IN Connectors (CN3)(Black) / (CN4)(White) ....34 AUX-IN Connector (CN2) (White) ............35 Extended USB Connector (USB2) ............35 Parallel Port Header- EXT. Print Port (JP5) ..........36 EXT. GPI Header (JP1) ................36 3.3 SYSTEM MEMORY CONFIGURATION ............. 37 INSTALL MEMORY ................
  • Page 9 POWER MANAGEMENT SETUP .............. 64 PNP/PCI CONFIGURATIONS ..............68 PC HEALTH STATUS ................70 FREQUENCY/VOLTAGE CONTROL ............72 LOAD FAIL-SAFE DEFAULTS ..............75 LOAD OPTIMIZED DEFAULTS ..............75 SET PASSWORD ..................75 SAVE & EXIT SETUP ................76 EXIT WITHOUT SAVING ................76 - 4 -...

  • Page 10: What's In The Manual

    WHAT'S IN THE MANUAL Quick Reference Hardware Installation >> Step-by-Step ..........Page 11 Jumper Settings >> A Closer Look ............Page 24 Drivers/Software Utilities >> How to Install ......... Page 38 BIOS Setup >> How to Configure ............Page 46 About This Manual For First-Time DIY System Builder ............

  • Page 11: Introduction

    Experienced DIY User Congratulate on your purchase of the Shuttle FB81 mainboard. You will find that installing your new Shuttle FB81 mainboard is just easy. Bundled with an array of onboard functions, the highly-integrated FB81 mainboard provides you with a total solution to build the most stable and reliable system. Refer to sec- tions 3.2 Jumper Settings and Chapter 4 Drivers/Software Utilities to...

  • Page 12: Item Checklist

    1.2 Item Checklist Check all items with your FB81 mainboard to make sure nothing is missing. The complete package should include: O P T 1 K B 1 AUDIO U S B 1 U S B 2 - One piece of Shuttle FB81 Mainboard...

  • Page 13: Features

    2 FEATURES FB81 mainboard is carefully designed for the demanding PC user who wants high perfor- mance and maximum intelligent features in a compact package. 2.1 Specifications - CPU Support Intel Pentium 4 Desktop Processors in the LGA 775 pin package with 533 / 800 MHz FSB.
  • Page 14 - USB 1.1/2.0 Complaint Interface Onboard Ø 4 UHCI USB 1.1 Host controller and 1 EHCI USB 2.0 Host controller support up to 8 USB ports. All 8 USB ports can be assigned to USB 2.0 interface with BIOS option - I/O Interface Provides a variety of I/O interfaces: Ø...
  • Page 15 Provides licensed Award BIOS V6.0 PG on 4Mb Flash core and supports Green PC, Desktop Management Interface (DMI). - Form Factor System board conforms to Shuttle small form factor specification. Board dimension: 280mm x 205mm. - Advanced Features Ø Low EMI - Built in spread spectrum to reduce EMI.

  • Page 16: Hardware Installation

    Then follow these steps designed to guide you through a quick and correct installation of your system. 3.1 Step-by-Step Installation Accessories Of FB81 1394 Port Clear CMOS Button PS/2 Keyboard/Mouse...

  • Page 17: Step 1 Cpu Installation

    Step 1 CPU Installation This motherboard supports LGA 775 package Processors (CPU). To install, follow the steps outlined below. Note the CPU orientation carefully when you insert it into the socket. Caution : This 775 pin socket is fragile and easily damaged. Always use extreme care when installing a CPU and limit the number of times that you remove or change the CPU.
  • Page 18 3. Orientate the CPU and socket, aligning the yellow triangle on the corner of the CPU with the triangle on the socket. Gently insert. Take care not to place any sideways force on the CPU when inserting, as the socket is fragile and easily damaged.

  • Page 19: Step 2 Set Jumper

    Step 2 Set Jumper This mainboard is jumperless! The default jumper settings have been set for the common usage standard of this mainboard. Therefore, you do not need to reset the jumpers unless you require special adjustments as any of the following cases: 1.

  • Page 20: Step 4 Install Internal Peripherals In System Case

    Step 4 Install Internal Peripherals in System Case Before you install and connect the mainboard into your system case, we rec- ommend that you first assemble all the internal peripheral devices into the com- puter housing, including but not limited to the hard disk drive (IDE/HDD), floppy disk drive (FDD), CD-ROM drive, and power supply unit.

  • Page 21: Step 5 Mount The Mainboard On The Computer Chassis

    Step 5 Mount the Mainboard on the Computer Chassis You may find that there are a lot of different mount- ing hole positions both on your computer chassis and on the mainboard. To choose correct mount- ing holes, the key point is to keep the backpanel of the mainboard in a close fit with your system case.

  • Page 22: Step 7 Connect Ide, Floppy And Serial Ata Disk Drives

    Step 7 Connect IDE, Floppy, and Serial ATA Disk Drives 1. IDE cable connector IDE1 2. Floppy cable connector 3. Serial ATA connectors - 17 -...

  • Page 23: Step 8 Connect Other Internal Peripherals

    Step 8 Connect Other Internal Peripherals 1. CD-IN Header (CN3) AUX-IN Header (CN2) Mini CD-IN Header (CN4) Mini AUX-IN CD-IN CD-IN 2. USB Header (USB2) USB2 - 18 -...
  • Page 24 3. Parallel port Header (JP5) EXT. Print Port 4. EXT. GPI Header (JP1) EXT. GPI Header - 19 -...

  • Page 25: Step 9 Install Add-On Cards In Expansion Slots

    Step 9 Install Add-on Cards in Expansion Slots 1. PCI Card 2. PCI Express Graphics (PEG) & SDVO Interface Card Step 10 Connect the Power Supply 1. System power connectors (ATX1/ATX2/ATX3) ATX2 ATX3 ATX1 - 20 -...

  • Page 26: Step 11 Connect External Peripherals To Back-Panel

    Step 11 Connect External Peripherals to Back-Panel You 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. DB9 Serial port 2. DB15 VGA port 3. Clear CMOS button 4.

  • Page 27: Step 12 First Time System Boot Up

    Step 12 First Time System Boot Up To assure the completeness and correctness of your system installation, you may check the above installation steps once again before you boot up your system for the first time. 1. Insert a bootable system floppy disk (DOS 6.2x, Windows 95/98/NT, or others) which contains FDISK and FORMAT utilities into the FDD.

  • Page 28: Step 13 Install Driver & Software Components

    XP operating systems only. Make sure your operating system is already installed before running the drivers installation CD-ROM programs. 1. Insert the FB81 bundled CD-ROM into your CD-ROM drive. The autorun program will display the drivers main installation window on screen.

  • Page 29: Jumper Settings

    3.2 Jumper Settings Several hardware settings are made through the use of jumper caps to connect jumper pins to the mainboard. Pin #1 could be located at any corner of each jumper; you just find a location marked with a while right angle, which stands for pin1#.

  • Page 30: Jumpers & Connectors Guide

    Jumpers & Connectors Guide Use the mainboard layout on page 11 to locate CPU socket, memory banks, expansion slots, jumpers and connectors on the mainboard during the installa- tion. The following list will help you to identify jumpers, slots, and connectors along with their assigned functions: A8~A9 A6~A7...

  • Page 31: Back-Panel Connectors

    CPU/Memory/Expansion Slots LGA 775 : CPU Socket for Pentium 4 LGA 775 processors DIMM1/2 : Two 184-pin DIMM Slots for 128, 256, 512 MB, 1GB, and 2GB of 2.6V DDR SDRAM (The total installed memory does not exceed 4GB) : One 32-bit PCI Expansion Slot : One 16-Lane PCI Express port for Graphic Attach Back Panel Connectors : VGA Port (DB15 female)
  • Page 32 Other Connectors ATX1/2/3 : Power Connectors (8-pin ATX2, 6-pin ATX1, 4-pin ATX3) FAN1/2/3/4 : Fan Connectors CN3/4 : CD-IN/Mini CD-IN Connectors : AUX-IN Connector USB2 : Extended USB Connector : Parallel port Header : EXT. GPI Header - 27 -...

  • Page 33: Vga Port

    Back-Panel Connectors VGA Port VGA Port One 15-pin VGA port is located at the rear panel of the mainboard. COM Port This mainboard can accommodate one serial device on CN1. Attach a serial device cable to the DB9 serial port CN1 at the back-panel of your computer.

  • Page 34: Giga Lan Port

    Giga LAN Port Giga LAN Port This mainboard can accom- modate one device on Giga LAN. Attach a CAT-5 cable to the Giga LAN port at the back-panel of your computer. USB Ports Two female ports USB0/1 USB Ports (0/1) share the same USB ( Uni- versal Serial Bus ) bracket at the rear panel of your...

  • Page 35: Channel Rear-Out Port

    7.1 Channel Rear-Out Port Rear-Out is a stereo line-level input port that accepts a 1/8- inch TRS stereo plug. Rear-Out Port 7.1 Channel Bass/Center Port Bass/Center Port Bass/Center-Out is a stereo output port through which the combined signal of all internal and external audio sources on the board is output.

  • Page 36: Front-Panel Connectors

    Front-Panel Connectors FRONT PANEL Connectors (JP6/JP3) Headers JP6 and JP3 are used to connect cables to front panel connectors mounted on front-panel or back-panel. The front panel is where the hard drive activity lights, reset button, on/off button, computer power on light, USB connectors, 1394 connectors, and audio headers, are located.

  • Page 37: Internal Peripherals Connectors

    Internal Peripherals Connectors Enhanced IDE, Floppy Connectors The mainboard features one 40-pin dual-channel IDE device connectors (IDE1) providing support for up to two IDE devices, such as CD-ROM and Hard Disk Drives (H.D.D.). This mainboard also includes one 34-pin floppy disk control- ler (FDC) to accommodate the Floppy Disk Drive (FDD).

  • Page 38: Other Connectors

    Other Connectors Power Connectors (8-pin ATX2, 6-pin ATX1, 4-pin ATX3) These connectors connect to an adapted 12V power supply. The plugs from the power supply are designed to fit these connectors in only one orientation. Please make sure you plug in the right direction. ATX2 ATX1 ATX2...

  • Page 39: Fan Connectors - Fan1/2/3/4

    Fan Connectors - FAN1/2/3/4 The mainboard provides four onboard 12V cooling fan power connectors to support CPU_In (FAN1), CPU_Out (FAN2), System (FAN3), Reserved (FAN4) cooling fans. PWM_CTRL FAN3 SPEED_SENSE +12V FAN4 FAN2 FAN1 Note : Both cable wiring and type of plug may vary , which depends on the fan maker.

  • Page 40: Aux-In Connector (Cn2) (White)

    AUX-IN Connector (CN2) (White) Port CN2 can be used to connect a stereo audio input from CD-ROM, TV-tuner or MPEG card. Pin Assignments (CN2): 1=AUX-IN Left 2=Ground 3=Ground AUX-IN 4=AUX-IN Right Extended USB Connector (USB2) The headers are used to connect the cable attached to USB connectors which are mounted on front-panel or back-panel.

  • Page 41: Parallel Port Header-Ext. Print Port (Jp5)

    Parallel Port Header-EXT. Print Port (JP5) One DB25 male parallel port header is located at the rear panel of the maiboard. The header is used to connect the cable attached to parallel connector. But the parallel cable is optional at the time of purchase. Pin Assignments (JP5): 1=PSTB EXT.

  • Page 42: System Memory Configuration

    3.3 System Memory Configuration The FB81 mainboard has two 184-pin DIMM slots that allow you to install from 128MB up to 2GB of system memory. Each 184-pin DIMM (Dual In-line Memory Module) Slot can accommodate 128MB, 256MB, 512MB, 1GB and 2GB of PC2700/PC3200 compliant 2.6V single (1 Bank) or double (2 Bank)

  • Page 43: Software Utility

    4 SOFTWARE UTILITY 4.1 Mainboard CD Overview Note : The CD contents attached in FB81 mainboard are subject to change without notice. To start your mainboard CD disc, just insert it into your CD-ROM drive and the CD AutoRun screen should appear. If the AutoRun screen does not appear, double click or run D:\Autorun.exe (assuming that your CD-ROM drive is...

  • Page 44: Install Mainboard Software

    Insert the attached CD into your CD-ROM drive and the CD AutoRun screen should appear. If the AutoRun screen does not appear, 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 "Install Mainboard Software"...

  • Page 45: A Install Intel Chipset Driver

    4.2.A Install Intel Chipset Driver Click on the "Install Mainboard Software"; then click on the "Install Intel Chipset Driver" bar to install the chipset driver. Once you made your selec- tion, a Setup window will run the installation automatically. Reboot the system after the installation.

  • Page 46: C Install Intel Iaa Driver

    4.2.C Install Intel IAA Driver Select using your pointing device (e.g. mouse) on the "Install Intel IAA Driver" bar to install IAA Driver. Once you made your selection, a Setup window run the installation automati- cally. When the copying files is done, make sure you reboot the system to take the installation effect.

  • Page 47: E Install Broadcom Bacs

    4.2.E Install Broadcom BACS Click on the "Install Mainboard Software"; then click on the "Install Broadcom BACS" bar to install the Broadcom BACS driver. Once you made your selection, a Setup window will run the installation automatically. Reboot the system after the installation. 4.2.F Install Intel USB 2.0 Driver Click on the "Install Mainboard Software";...

  • Page 48: G Install Intel High Definition Bus

    4.2.G Install Intel High Definition Bus Click on the "Install Mainboard Software"; then click on the "Install Intel High Definition Bus" bar to install the High Definition Bus driver. Once you made your selection, a Setup window will run the installation automatically. Reboot the system after the installation.

  • Page 49: I Install Directx9 Utility

    4.2.I Install DirectX9 Utility Select using your pointing device (e.g. mouse) on the "Install DirectX9 Utility" bar to install DirectX9. Once you made your selection, a Setup window run the installation automati- cally. When the copying files is done, make sure you reboot the system to take the installation effect.

  • Page 50: View The User's Manual

    Insert the attached CD into your CD-ROM drive and the CD AutoRun screen should appear. If the AutoRun screen does not appear, double click on AutoRun icon in My Computer to bring up Shuttle Mainboard Software Setup screen. Then Online Information windows will appear on your screen. Click on the "Install Acrobat Reader"...

  • Page 51: Bios Setup

    5 BIOS SETUP FB81 BIOS ROM has a built-in Setup program that allows users to modify the basic system configuration. This information is stored in battery-backed RAM so that it retains the Setup information even if the system power is turned off.

  • Page 52: The Main Menu

    5.2 The Main Menu Once you enter the AwardBIOS(tm) CMOS Setup Utility, the Main Menu will appear on the screen. The Main Menu allows you to select from several setup functions and two exit choices. Use the arrow keys to select among the items and press <Enter> to accept and enter the sub-menu.
  • Page 53 PC Health Status This entry shows the current system temperature, Voltage, and FAN speed. Frequency/Voltage Control Use this menu to specify your settings for frequency/voltage control. Load Fail-Safe Defaults Use this menu to load the BIOS default values for the minimal/stable performance of your system to operate.

  • Page 54: Standard Cmos Features

    Standard CMOS Features The items in Standard CMOS Setup Menu are divided into several cat- egories. Each category includes no, one or more than one setup items. Use the arrow keys to highlight the item and then use the <PgUp> or <PgDn>...
  • Page 55 Halt On Select the situation in which you want the BIOS to stop the POST process and notify you. Ø The choice: All Errors, No Errors, or All, But Keyboard. Base Memory Displays the amount of conventional memory detected during boot up. Ø...
  • Page 56 The following options are selectable only if the 'IDE Primary Master' item is set to 'Manual', and Access mode set to CHS. Cylinder Set the number of cylinders for this hard disk. Ø Min = 0, Max = 65535 Head Set the number of read/write heads.

  • Page 57: Advanced Bios Features

    Advanced BIOS Features This section allows you to configure your system for basic operation. You have the opportunity to select the system's default speed, boot-up sequence, keyboard operation, shadowing, and security. CPU Feature Options are in its sub-menu. Press <Enter> to enter the sub-menu of detailed options. Delay Prior to Thermal This item is select Delay Prior to Thermal.
  • Page 58 TM2 Bus VID Represents the voltageof the throttled performance statethat will be initi- ated when the on diesensor gose from not hot to hot. Ø The Choice: 0.8375V ~1.6000V. Limit CPUID MaxVal Set Limit CPUID MaxVal to 3,Should Be "Disabled" for WinXp. Ø...
  • Page 59 Hyper-Threading Technology The latest Intel application defines a high-speed calculating ability to optimize your system by two CUPs supported(one virtual, one physical) in a multi-task environment. "Enabled" for Windows XP and Linux 2.4.x(OS optimized for Hyper Threading Technology and "Disable" for other OS(OS not optimized for Hyper Threading Technology) Ø...
  • Page 60 Typematic Rate Setting Keystrokes repeat at a rate determined by the keyboard controller. When this controller enabled, the typematic rate and typematic delay can be selected. Ø The choice: Enabled or Disabled. Typematic Rate (Chars/Sec) This item sets how many times the keystroke will be repeat in a second when you hold the key down.
  • Page 61 Delay For HDD (Secs) The item allows you to set delay for HDD. Min=0, Max=15. The default value is 4 secs.. Ø The choice: Key in a DEC number. (Between Min and Max) Small Logo(EPA) Show This item allows you to enable/disable the EPA Logo. Ø...

  • Page 62: Advanced Chipset Features

    Advanced Chipset Features This section allows you to configure the system based on the specific features of the installed chipset. This chipset manages bus speeds and access to system memory resources, such as DRAM and the external cache. It also coordinates communications between the conventional ISA bus and the PCI bus.
  • Page 63 ********** VGA Setting ********** PEG/Onchip VGA Control If you select "Onchip VGA", the signal will only output from Onchip VGA Port. If you want to use external PEG Card, please change display mode from Onchip VGA to PEG Port in this item. Ø...

  • Page 64: Integrated Peripherals

    Integrated Peripherals On-Chip IDE Device Option are in its sub-menu. Press<Enter>to enter the sub-menu of detailed options. IDE HDD Block Mode If your IDE hard disk drive supports block mode (most new drives do), select Enabled to automatic detect the optimal number of block read and writes per sector that the drive can support and improves the speed of access to IDE devices.
  • Page 65 IDE Primary Master/Slave UDMA Each IDE channel supports a master device and a slave device. This mainboard supports UltraDMA technology, which provides faster access to IDE devices. If you install a device that supports UltraDMA, change the appropriate item on this list to Auto. You may have to install the UltraDMA driver supplied with this mainboard in order to use an UltraDMA device.
  • Page 66 Enhanced Mode: Enable both SATA and PATA. Max. of 6 ATA drives are supported. New OS that support switch to Enhanced mode (WinXP,Windows.NET Server) can set SATA and PATA to Enhanced Mode. Serial Serial ATA 3 Serial ATA 4 (Channel 2) (Channel 3) Slave Slave...
  • Page 67 SATA Hot-Plug This item can be enabled. When SATA mode item be set in "RAID" or "AHCI" mode. Ø The Choice: Disabled or Enabled. Note: You must to install Intel Application Accelerator (IAA) in O.S. to make sure this function work properly. Onboard Device Option are in its sub-menu.
  • Page 68 allows you to connect your floppy disk drives to the onboard floppy connector. Ø The choice: Enabled or Disabled. Onboard Serial Port1 This option is used to assign the I/O address and interrupt request ( IRQ ) for the onboard serial port1 ( COM1 ). Ø...

  • Page 69: Power Management Setup

    Power Management Setup The Power Management Setup allows you to configure your system to most effectively saving energy while operating in a manner consistent with your own style of computer use. ACPI Function This item allows you to enable/disable the Advanced Configuration and Power Management (ACPI).
  • Page 70 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 Screen This option only writes blanks to the video buffer.
  • Page 71 hold the power button down for 4 seconds to cause a software power down. Ø The choice: Instant-Off or Delay 4 Sec. Wake-Up by PCI card This item Enabled/Disabled PCI Power Management Event to wake up system. Ø The choice: Enabled or Disabled. Power On by Ring This item determine the system will resume by activating of modem ring.
  • Page 72 time out counters when any activity is detected on any of the drives or devices on the primary IDE channels. Ø The choice: Disabled or Enabled. FDD, COM, LPT Port When this item is enabled, the system will restart the power-saving timeout counters when any activity is detected on the floppy disk drive, serial ports, or the parallel port.

  • Page 73: Pnp/Pci Configurations

    PnP/PCI Configurations This section describes the configuration of PCI bus system. PCI or Per- sonal Computer Interconnection is a system which allows I/O devices to operate at the speed CPU itself keeps when CPU communicating with its own special components. This section covers some very technical items, and it is strongly recommended that only experienced users should make any changes to the default settings.
  • Page 74 Resource controlled By The Award Plug-and-Play BIOS has the capacity to automatically config- ure all of the boot and Plug-and-Play compatible devices. However, this capability means absolutely nothing unless you are using a Plug-and-Play operating system such as Windows 95. If you set this field to "manual" , choose specific resources by going into each of the sub-menu that fol- lows this field (a sub-menu is proceeded by a ">").

  • Page 75: Pc Health Status

    PC Health Status CPU Fan Speed Control Set the CPU Fan Speed. Ø The choice:Smart Fan, 30%, 40%, 50%, 60%, 70%, 80%, 90% or 100%. Note : Before manually modifying the CPU fan setting, please make sure fan connectors are plug into the correct fan connector designations on the mainboard.
  • Page 76 CPU Voltage Chipset Voltage +3.3V +12V -12V DDR Voltage +5VSB Voltage Battery CPU Temperature Fan 1 Speed Fan 2 Speed Fan 3 Speed Fan 4 Speed Warning : It is Strongly recommended to disable CPU Fan Auto Guardian feature, if you wish to use other fan cooler, allowing the fan to run at its default speed.

  • Page 77: Frequency/Voltage Control

    Frequency/Voltage Control Auto Detect PCI Clk This item allows you to enable/disable auto disable empty PCI Slot Clock. Ø The choice: Enabled or Disabled. Spread Spectrum This item allows you to enable or disable the spread spectrum modula- tion. Ø The choice: Disabled or Enabled. DRAM Timing Selectable The value in this field depends on performance parameters of the installed memory chips(DRAM).
  • Page 78 DRAM RAS# to CAS# Delay This field lets you insert a timing delay between the CAS and RAS strobe signals, and you can use it when DRAM is written to, read from, or refreshed. Faster performance is gained in high speed, more stable performance, in low speed.
  • Page 79 CPU Ratio Fixed 14x This item allows you enable or disable the CPU ratio fixed 14x. Ø The choice: Enabled or Disabled. CPU Clock This item allows the user to adjust CPU Host Clock. Min: 100 Max: 355 Ø Key in a DEC number: (Between Min and Max.) PCI CLK This item allows you to set PCI clock asynchronous.

  • Page 80: Load Fail-Safe Defaults

    Load Fail-Safe Defaults When you press <Enter> on this item, you will get a confirmation dialog box with a message similar to: Load Fail-Safe Defaults (Y/N) ? N Pressing 'Y' loads the BIOS default values for the most stable, minimal performance system operations. Load Optimized Defaults When you press <Enter>...

  • Page 81: Save & Exit Setup

    3. Then system will request you to confirm new password by asking you to key in new password again. 4. Once the confirmation is completed, new code takes effect. No Password Setting : 5. If you want to delete password, just press <Enter> key instead of new password while password input is requested.

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