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Shuttle Spacewalke AK21 User Manual

Socketa amd athlon/duron processor based main board
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AK21
SocketA
AMD Athlon/Duron Processor
Based
Main Board
User's Manual

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Summary of Contents for Shuttle Spacewalke AK21

  • Page 1 AK21 SocketA AMD Athlon/Duron Processor Based Main Board User's Manual...
  • Page 2 The information contained in this manual is provided for general use by the customers. Trademarks Spacewalker is a registered trademark of Shuttle Inc. VIA is a registered trademark of VIA Corporation. AMD, Athlon, and Duron are registered trademarks of AMD Corporation.
  • Page 3 WARNING Thermal issue is highly essential for processors with a speed of 600MHz and above. Hence, we recommend you to use the CPU fan qualified by AMD or motherboard manufacturer. Meanwhile, please make sure CPU and fan are securely fastened well. Otherwise, improper fan installation not only gets system unstable but also could damage both CPU and motherboard because insufficient thermal dissipation.

  • Page 4: Table Of Contents

    TABLE OF CONTENTS WHAT’S IN THE MANUAL ..............5 Quick Reference ....................5 About This Manual .................... 5 1 INTRODUCTION ................. 6 1.1 TO DIFFERENT USERS ................6 First-Time DIY System Builder ..............6 Experienced DIY User ................6 System Integrator ..................6 1.2 ITEM CHECKLIST ..................
  • Page 5 3.2 JUMPER SETTINGS .................. 24 JUMPER & CONNECTOR GUIDE ............25 Jumpers Keyboard and USB Power-On Setting (JP1)........... 28 USB2/3 Power-On Setting (JP6) ............28 FSB Speed Configuration Setting (JP3) ..........29 BIOS Voltage Setting (JP4) ..............29 Clear CMOS (JP7) ................. 30 BIOS Write Protection (JP5) ..............
  • Page 6 Internal Peripherals Connectors Enhanced IDE Ports and Floppy Connectors .......... 36 Other Connectors ATX Power Supply Connector (ATX1) ............. 37 Cooling FAN Connectors for CPU FAN (CPUFAN1) and CAS FAN (CASFAN2) ................37 Green 3VSB LED for SDRAM (LED1) ........... 38 SIR Connector (SIR1) ................
  • Page 7 5 BIOS SETUP ..................47 5.1 ENTER THE BIOS ..................47 5.2 THE MAIN MENU ..................48 STANDARD CMOS FEATURES ..............50 ADVANCED BIOS FEATURES ..............54 ADVANCED CHIPSET FEATURES ............58 INTEGRATED PERIPHERALS ..............62 POWER MANAGEMENT SETUP .............. 66 PNP/PCI CONFIGURATION ...............

  • Page 8: 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 Software Utility >> How to Install ............Page 43 BIOS Setup >> How to Configure ............Page 47 About This Manual For First-Time DIY System Builder ............

  • Page 9: Introduction

    Experienced DIY User Congratulate on your purchase of the Shuttle AK21 mainboard. You will find that installing your new Shuttle AK21 mainboard is just easy. Bundled with an array of onboard functions, the highly-integrated AK21 mainboard provides you with a total solution to build the most stable and reliable system. Refer to sections 3.2 Jumper Settings and Chapter 4 Software Utility to find out how to...

  • Page 10: Item Checklist

    1.2 Item Checklist Check all items with you AK21 mainboard to make sure nothing is missing. The complete package should include: ! One piece of Shuttle AK21 Mainboard ! One piece of ATA100/66/33 Ribbon Cable ! One piece of Floppy Ribbon Cable ! One piece of twin ports USB Cable (optional) ! AK21 User’s Manual...

  • Page 11: Features

    2 FEATURES AK21 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 AMD Athlon processor with 100/133 MHz FSB. AMD Duron processor with 100 MHz FSB.
  • Page 12 ! ! ! ! ! I/O Interface Provides a variety of I/O interfaces: " 1 × Floppy interface for 3.5-inch FDD with 720KB, 1.44MB, or 2.88MB format or for 5.25-inch FDD with 360K or 1.2MB format. " 1 × PS/2 mouse connector. "...
  • Page 13 ! ! ! ! ! Advanced Configuration and Power Interface Features four power saving modes: Snoop, Suspend to RAM, Suspend to Disk, and Soft-Off. ACPI provides more efficient Energy Savings Features controlled by your operating system that supports OS Direct Power Manage- ment (OSPM) functionality.

  • Page 14: Hardware Installation

    3 HARDWARE INSTALLATION Before removing or installing any of these devices including CPU, DIMMs, Add-On Cards, Cables, please make sure to unplug the onboard power connector. This section outlines how to install and configure your AK21 mainboard. Refer to the following mainboard layout to help you identify various jumpers, connectors, slots, and ports.

  • Page 15: Step 1 Install The Cpu

    Step 1 Install the CPU: 1. Locate the CPU ZIF (Zero Insertion Force) socket on the upper-right sector of your mainboard (between the back-panel connectors and the DIMM memory slots). 2. Pull the CPU ZIF socket lever slightly sideways away from the socket to unlock the lever, and then bring it to an upwardly vertical position.

  • Page 16: Step 2 Set Jumpers

    Step 2. Set Jumpers 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 in any of the following cases: 1.

  • Page 17: 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 recommend that you first assemble all the internal peripheral devices into the computer housing, including but not limited to the hard disk drive (IDE /HDD), floppy disk drive (FDD), CD-ROM drive, and ATX power supply unit.

  • Page 18: Step 5 Mount The Mainboard On The Computer Chassis

    Step 5 Mount the Mainboard on the Computer Chassis 1. You may find that there are a lot of different mounting hole positions both on your computer chassis and on the mainboard. To choose a correct mounting hole, the key point is to keep the back-panel of the mainboard in a close fit with your system case, as shown below.

  • Page 19: Step 6 Connect Front-Panel Switches/Leds/Speaker/Usb

    Step 6 Connect Front-Panel Switches/LEDs/Speaker/USB connectors You can find there are several different cables already existing in the system case and originating from the computer’s front-panel devices (HDD LED, Green LED, Reset Switch, PC Speaker, or USB devices etc.) These cables serve to connect the front-panel switches, LEDs, and USB connectors to the mainboard’s front-panel connectors group (PANEL1, USB2, and USB3), as shown below.
  • Page 20 4. Hardware Reset Switch (RST) PANEL1 SPEAKER1 HDDLED 5. PC Speaker (SPEAKER1) PANEL1 SPEAKER1 HDDLED 6. Extended four USB Connector Header Port 4 (P ort 6 USB2/USB3 Port 3 ort 5 - 17 -...

  • Page 21: Step 7 Connect Ide & Floppy Disk Drives

    Step 7 Connect IDE & Floppy Disk Drives 1. IDE cable connector 2. FDD cable connector Step 8 Connect Other Internal Peripherals 1. Primary and Secondary CD_IN, Front-Panel Microphone, and Line-Out connectors 2. IR connector - 18 -...

  • Page 22: Step 9 Connect Power Supply

    Step 9 Connect 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. Communication and Network (CNR) Card The CNR Slot supports the audio, modem, lan, Home PNA of VIA VT8233 chipset.

  • Page 23: Step 11 Connect External Peripherals To Back-Panel

    Step 11 Connect External Peripherals to Back-Panel You are now ready to put the computer P S KB M 1 case back together and get on to the U SB 1 external peripherals connections to your system’s back-panel. 1. PS/2 Mouse and Keyboard PS/2 Mouse PS/2 keyboard 2.
  • Page 24 5. Audio Line_out / Line_in / Microphone Line-Out Line-In Microphone 6. MIDI/Game Port MIDI/GAME Port - 21 -...

  • Page 25: 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 26: Step 13 Install Driver & Software Components

    Step 13 Install Driver & Software Components Please note that all the system utilities and drivers are designed for Win 9x / 2000/ME/NT operating systems only. Make sure your operating system is already installed before running the drivers installation CD-ROM programs. 1.

  • Page 27: Jumper Settings

    3.2 Jumper Settings Several hardware settings are made through the use of jumper caps to con- nect 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 28: Jumper & Connector Guide

    Jumper & Connector Guide Use the mainboard layout on page 11 to locate CPU socket, memory slots, expansion slots, jumpers and connectors on the mainboard during installation. The following list will help you identify jumpers, slots, and connectors along with their assigned functions: B3~B4 B5~B8 C1~C4...

  • Page 29: Jumpers

    Jumpers : Keyboard and USB Power-On Setting : USB2/3 Power-On Setting : FSB Speed Configuration Setting : BIOS Voltage Setting : Clear CMOS : BIOS Write Protection Back-Panel Connectors : PS/2 Keyboard : PS/2 Mouse : 2 × USB (Universal Serial Bus) COM1 : Serial Port 1 (DB9 male) COM2...
  • Page 30 LED1 : Green 3VSB LED for SDRAM SIR1 : IR Connector : Case Open Connector AUDIO1 : Front-Panel Microphone and Line_Out Connector : Audio Primary CD-In Connector : Audio Secondary CD-In Connector WOL1 : Wake-On-LAN Connector WOM1 : Wake-On-Modem Connector - 27 -...

  • Page 31: Keyboard And Usb Power-On Setting (Jp1)

    # # # # # Jumpers Keyboard and USB Power-On Setting (JP1) AK21 provides one jumper to set Keyboard and USB devices which connect to back-panel to power-on system from ACPI S3 to S5 stage. Place jumper cap on JP1 pin 2-3 for enabling Keyboard and USB device (USB port 1 and USB port 2) power-on function on back-panel.

  • Page 32: Fsb Speed Configuration Setting (Jp3)

    FSB Speed Configuration Setting (JP3) AK21 provides jumper JP3 to set front side bus at 100MHz and 133MHz. Inser mini-jumper caps on JP3 pin1-2 to set FSB to 100MHz. Insert mini-jumper caps on JP3 pin2-3 to set FSB to 133MHz. Set FSB hardware jumper to 100MHz.

  • Page 33: Clear Cmos (Jp7)

    Clear CMOS (JP7) JP7 is used to clear CMOS data. Clearing CMOS will result in the permanent erasing of previous system configuration settings and the restoration of original (factory-default) system settings. Pin 1-2 (Default) Pin 2-3 (Clear CMOS) JP 7 Step 1.

  • Page 34: Back-Panel Connectors

    # # # # # Back-Panel Connectors PS/2 Keyboard & PS/2 Mouse Connectors Two 6-pin female PS/2 keyboard & Mouse connectors are located at the rear panel of mainboard. Depending on the com- puter housing you use (desktop or tower), PS/2 Mouse the PS/2 Mouse connector is situated at the top of the PS/2 Keyboard connector...

  • Page 35: Line-Out

    Line-Out Line-Out is a stereo output port through which the combined signal of all internal and external audio sources on the board is output. It can be connected to 1/8-inch TRS stereo headphones or to amplified Line-Out speakers. Line-In Line-In is a stereo line-level input port that accepts a 1/8-inch TRS stereo plug.

  • Page 36: Front-Panel Connectors

    # # # # # Front-Panel Connectors ATX Power On/Off Switch Connector (PWR SW) The Power On/Off Switch is a momentary- 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 PWR SW header on the mainboard.

  • Page 37: Hdd Led Connector (Hdd Led)

    HDD LED Connector (HDD LED) 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) Attach the 2-pin hardware reset switch cable to the RST header. Pressing the reset switch causes the system to restart.

  • Page 38: Extended Usb Header (Usb2/Usb3)

    Extended USB Header (USB2/USB3) The headers are used to connect the cable attached to USB connectors which are mounted on front-panel or back-panel. But the USB cable is optional at the time of purchase. USB2 USB3 USB port 4 USB port 6 USB 3 2 4 6 8 10 2 4 6 8 10...

  • Page 39: Internal Peripherals Connectors Enhanced Ide Ports And Floppy Connectors

    # # # # # Internal Peripherals Connectors Enhanced IDE Ports and Floppy Connector The AK21 mainboard features two 40-pin dual-channel IDE device connec- tors (IDE1/IDE2) providing support to up to four IDE devices, such as CD- ROM and Hard Disk Drives (H.D.D.). This mainboard also includes one 34- pin floppy disk controller (FDD1) to accommodate the Floppy Disk Drive (F.D.D.).

  • Page 40: Other Connectors

    #$ Other Connectors ATX Power Supply Connector (ATX1) Locate the 20-pin male header ATX power connector (ATX1) on your mainboard. Plug the power cable from the ATX power supply unit directly into (ATX1) ATX power supply connector. Note 1: The ATX power connector is directional and will not go in unless the guides match perfectly making sure that pin#1 is properly positioned.

  • Page 41: Green 3Vsb Led For Sdram (Led1)

    Green 3VSB LED for SDRAM (LED1) The green LED turns on if your power cord is still plugged in, which means 3V standby voltage is supplied to mainboard. You can not install or uninstall memory modules while LED1 is on. LED1 SIR Connector (SIR1) If you have an Infrared device, this mainboard can implement SIR (Standard...

  • Page 42: Case Open (J1)

    Case Open (J1) The Case open prevents unauthorized access to your computer by enabling an alarm that alerts you when your computer case has been opened. Front-Panel Microphone and Line_out Header (AUDIO1) This header allows users to install auxiliary front-oriented microphone and line- out ports for easier access.

  • Page 43: Audio Primary/Secondary Cd-In Header (Cd2/Cd1)

    Audio Primary/Secondary CD-In header (CD2 and CD1) Use the audio cable provided with CD-ROM/DVD drive to join audio connec- tor on rear edge of CD-ROM/DVD drive with one of the two audio-in connec- tors CD1 and CD2 on the mainboard. Wake-On-LAN Connector (WOL1) If a lan card installed and the lan card supports Wake-on-Lan function.

  • Page 44: Wake-On-Modem Connector (Wom1)

    Wake-On-Modem Connector (WOM1) If you have a PCI modem card installed that supports wake-on-modem func- tion, please connect the cable into the WOM1 header on the mainboard. When your system is in power-saving mode, any modem signal resumes system auto- matically.

  • Page 45: System Memory Configuration

    3.3 System Memory Configuration The AK21 mainboard has there 184-pin DIMM slots that allow you to install from 64MB up to 3GB of system memory. Each 184-pin DIMM (Dual In-line Memory Module) Slot can accommodate 64MB, 128MB, 256MB, 512MB, and 1GB of PC1600/PC2100 compliant 2.5V single or double side 64-bit wide data path DDR SDRAM modules.

  • Page 46: Software Utility

    #$ Install Audio Device Software - Installing Audio driver. #$Manual - AK21 series mainboard user's manual in PDF format. #$Link to Shuttle Homepage - Link to shuttle website homepage. #$Browse this CD - Allows you to see the contents of this CD.

  • Page 47: Install Via 4 In 1 Driver

    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 the item using your pointing device (e.g. mouse) on the “Install Mainboard Software”...

  • Page 48: Install Audio Device 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 the item using your pointing device (e.g. mouse) on the “Install Audio Device Software”...

  • Page 49: 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. Select the item using your pointing device (e.g. mouse) on the “Manual” bar.

  • Page 50: Bios Setup

    5 BIOS SETUP AK21 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. The system BIOS is managing and executing a variety of hardware related functions in the system, including: System date and time...

  • Page 51: 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 52 Integrated Peripherals Use this menu to specify your settings for integrated peripherals. Power Management Setup Use this menu to specify your settings for power management. PnP / PCI Configurations This entry appears if your system supports PnP / PCI. PC Health Status This entry shows the current system temperature, Voltage, and FAN speed.

  • Page 53: Standard Cmos Features

    # # # # # Standard CMOS Features The items in Standard CMOS Setup Menu are divided into 10 catego- ries. 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 54 IDE Secondary Slave Options are in its sub menu. Press <Enter> to enter the sub-menu of detailed options. Drive A/Drive B Select the type of floppy disk drive installed in your system. " The choice: None, 360K, 5.25 in, 1.2M, 5.25 in, 720K, 3.5 in, 1.44M, 3.5 in, or 2.88M, 3.5 in Floppy 3 Mode Support Floppy 3 mode refers to a 3.5-inch diskette with a capacity of 1.2MB.
  • Page 55 ****************************************************** IDE Adapters The IDE adapters control the hard disk drive. Use a separate sub-menu to configure each hard disk drive. IDE HDD Auto-Detection Press <Enter> to auto-detect HDD on this channel. If detection is successful, it fills the remaining fields on this menu. "...
  • Page 56 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 sector per track. " Min = 0, Max = 255 ****************************************************** - 53 -...

  • 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. Anti-Virus Protection When enabled, this item provides protection against viruses that try to write to the boot sector and partition table of your hard disk drive.
  • Page 58 External Cache Most processors that can be installed in this system use external level 2 (L2) cache memory to improve performance. Leave this item at the default value for better performance. " The choice: Enabled or Disabled. CPU L2 Cache ECC Checking This item enables or disables ECC (Error Correction Code) error check- ing on the CPU cache memory.
  • Page 59 Boot Up Floppy Seek Seeks disk drives during boot-up. Disabling speed boots up. " The choice: Enabled or Disabled. Boot Up NumLock Status This item defines if the keyboard Num Lock key is active when your system is started. " The choice: Off or On. Gate A20 Option This entry allows you to select how the gate A20 is handled.
  • Page 60 Note: To disabled security, select PASSWORD SETTING at Main Menu, and then you will be asked to enter password. Do not type anything and just press <Enter>; it will disable security. Once the security is disabled, the system will boot, and you can enter Setup freely.

  • Page 61: 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.
  • Page 62 DRAM Timing Set this to the default value to enable the system to automatically set the SDRAM timing by SPD (Serial Presence Detect). SPD is an EEPROM chip on the DIMM module that stores information about the memory chips it contains, including size, speed, voltage, row and column addresses, and manufacturer.
  • Page 63 AGP Mode This item allows you to select the AGP Mode. " The Choice: 1x, 2x, or 4x. AGP Driving Control This item enables the system to automatically select its output buffer drive strength or make it manually selectable by an end user. "...
  • Page 64 PCI1 Post Write This Item enable/disable AGP post write function, which means when cpu accessing the AGP data, the chipset can queue the instruction when the AGP bus is busy,then write the data when AGP bus is avail- able . "...

  • Page 65: Integrated Peripherals

    # # # # # Integrated Peripherals OnChip IDE Device Options are in its sub-menu. Press <Enter> to enter the sub-menu of detailed options. OnChip IDE Channel0 The chipset contains a PCI IDE interface with support to two IDE chan- nels.
  • Page 66 Primary/Secondary Master/Slave PIO The four IDE PIO (Programmed Input/Output) fields let you set a PIO mode (0-4) for each of the four IDE devices that the onboard IDE inter- face supports. Modes 0 through 4 provide successively increased performance. In Auto mode, the system automatically determines the best mode for each device.
  • Page 67 Hot Key Power ON Enables you to select a hot key to turn on the computer. " The Choice: Ctrl-F1 ~ Ctrl-F12. Onboard FDC Controller Select Enabled if your system has a floppy disk controller (FDC) in- stalled on the system board and you want to use it. If you install add-on FDC or the system has no floppy drive, select Disabled in this field.
  • Page 68 Game Port Address This item selects Game Port Address. " The choice: Disabled, 201, or 209. Midi Port Address This item selects Midi Port Address. " The choice: Disabled, 330, or 300. Midi Port IRQ This item selects Midi Port IRQ. "...

  • 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 User Define Allows you to set each mode individually. HDD Power Down=Disabled or 1min.~15min. Suspend Mode= Disabled or 1 min ~1 hr. " The choice: User Define, Min Saving, or Max Saving. HDD Power Down When this item enabled and after the set up time of system inactivity, the hard disk drive will be powered down while all other devices remain active.
  • Page 71 Soft-Off by PWRBTN Pressing the power button for more than 4 seconds forces the system to enter the Soft-Off state when the system has "hung.". " The choice: Instant-Off or Delay 4 Sec. AC Resume Function This sets the power state after a shutdown due to an unexpected inter- rupt of AC power.
  • Page 72 Wake Up On LAN/Ring Use this item to enable LAN or modem activity to wakeup the system from a power saving mode. " The choice: Disabled or Enabled. RTC Alarm Resume When this item enabled, your can set the date and time at which the RTC (real-time clock) alarm awakens the system from Suspend mode.
  • Page 73 IRQ10 (Reserved) IRQ11 (Reserved) IRQ12 ( PS / 2 Mouse ) IRQ13 (Coprocessor) IRQ14 (Hard Disk) IRQ15 (Reserved) " The choice: Disabled or Enabled. - 70 -...

  • Page 74: Pnp/Pci Configuration

    # # # # # PnP/PCI Configurations This section describes the configuration of PCI bus system. PCI or Personal 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 75 If you set this field to "manual" , choose specific resources by going into each of the sub-menu that follows this field (a sub-menu is pro- ceeded by a ">"). " The choice: Auto(ESCD) or Manual. IRQ Resources When resources are controlled manually, assign each system interrupt a type, depending on the type of device using the interrupt.

  • Page 76: Pc Health Status

    # # # # # PC Health Status Shutdown Temperature Enables you to set the maximum temperature the system can reach before powering down. " The choice: Disabled, 60°C/140°F, 65°C/149°F, 70°C/158°F. System Component Characteristics These fields provide you with information about the systems current operating status.

  • Page 77: Frequency/Voltage Control

    # # # # # Frequency/Voltage Control Auto Detect DIMM/PCI Clk This item allows you to enable/disable auto detection DIMM/PCI Clock. " The choice: Enabled or Disabled. Spread Spectrum This item allows you to enable/disable the spread spectrum modulation. " The choice: Enabled or Disabled. CPU Host/PCI Clock Use the CPU Host Clock to set the frontside bus frequency for the installed processors.

  • Page 78: 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.

  • Page 79: Set Supervisor Password

    # # # # # Supervisor/User Password Setting You can set either supervisor or user password, or both of them. The differences between them are: Supervisor Password and User Password The options on the Password screen menu make it possible to restrict access to the Setup program by enabling you to set passwords for two different access modes: Supervisor mode and User mode.

  • Page 80: Save & Exit Setup

    Password Disable If you select System at Security Option of BIOS Features Setup Menu, you will be prompted in entering the password whenever the system is rebooted or you try to enter Setup. If you select Setup at Security Op- tion of BIOS Features Setup Menu, you will be prompted only when you try to enter Setup.

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