Shuttle AB49 User Manual Download

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AB49 & AB49N

Intel Pentium 4/Celeron
478-pin Processor
with 400/533 MHz FSB
Based DDR MAINBOARD

User's Manual

Summary of Contents for AB49

Page 1: ...AB49 AB49N Intel Pentium 4 Celeron 478 pin Processor with 400 533 MHz FSB Based DDR MAINBOARD User s Manual ...

Page 2: ...een carefully checked for reliability however no guarantee is given as to the correctness of the contents In the interest of continued product improvement this company reserves the right to revise the manual or include changes in the specifications of the product described within it at any time without notice and without obligation to notify any person of such revision or changes The information c...

Page 3: ...al Port one port with 9 pins USB Port four ports with 4 pins respectively LAN Port one port with 8 pins 10Mbps 100Mbps AB49N Only Line In Line Out Mic In Ports one port for each DDR Memory 256 MB 2 All CPUs have completely been tested and values offered by the worst EMI combination of CPU external frequency are listed as follows C Remedy for the Tested Product Its EMI Interference Remedy N A EMI I...

Page 4: ... minimum in length and not near CPU Ø Leave cables on panels and other spare cables tied in a computer case 5 Make sure an EMI shielding attached to a case has properly been installed 6 Make sure a 5 25 or 3 5 FDD and screws are fastened to an EMI shielding 7 Make sure a case is closely in contact with EMI connected points 8 Make sure there is no cleft in a case which is not deformed 9 Make sure a...

Page 5: ... 12 STEP 2 Set Jumpers 13 STEP 3 Install DDR 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 LEDs Switches USB 16 STEP 7 Connect IDE and Floppy Disk Drives 17 STEP 8 Connect Other Internal Peripherals 18 STEP 9 Connect the Power Supplies 19 STEP 10 InstallAdd on Cards in Expansion Slots 19...

Page 6: ... Line Out 6 Channel Front Out Port Connector 27 Mic In 6 Channel Center Bass Out Port Connector 27 Front Panel Connectors HDD LED Connector HDLED 28 Hardware Reset Connector HWRST 28 Green LED Connector GRNLED 29 ATX Power On Off Switch Connector PWRSW 29 Extended USB Header USB3 30 Front Panel Microphone and Line Out Header AUDIO1 30 Internal Peripheral Connectors Enhanced IDE and Floppy Connecto...

Page 7: ... 2 B Install Intel Ultra ATADriver 39 4 2 C Install USB 2 0 Driver 40 4 2 D Install Audio Driver 41 4 2 E Install LAN Driver AB49N Only 42 4 3 View the User s Manual 42 5 BIOS SETUP 43 5 1 ENTER BIOS 43 5 2 THE MAIN MENU 44 STANDARD CMOS FEATURES 46 ADVANCED BIOS FEATURES 48 ADVANCED CHIPSET FEATURES 51 INTEGRATED PERIPHERALS 53 POWER MANAGEMENT SETUP 56 PNP PCI CONFIGURATIONS 60 PC HEALTH STATUS ...

Page 8: ... 4 LOAD OPTIMIZED DEFAULTS 63 SET SUPERVISOR USER PASSWORD 64 SAVE EXIT SETUP 65 EXIT WITHOUT SAVING 65 ...

Page 9: ...Jumper Settings A Closer Look Page 22 Drivers Software Utilities How to Install Page 36 BIOS Setup How to Configure Page 43 About This Manual For First Time DIY System Builder Page 6 For Experienced DIY User Page 6 For System Integrator Page 6 WHAT S IN THE MANUAL ...

Page 10: ...ghly integrated AB49 AB49N mainboard provides you with a total solution to build the most stable and reli able system Refer to sections 3 2 Jumper Settings and Chapter 4 Drivers Software Utilities to find out how to get the best out of your new mainboard Chapter 5 BIOS Setup also contains the relevant information on how to tune up your system to achieve higher performance System Integrator You hav...

Page 11: ...Shielding One piece of Bundled CD ROM with containing Ø AB49 AB49N user s manual saved in PDF format Ø Intel Chipset Driver Ø Intel Ultra ATA Driver Ø LAN Driver AB49N Only Ø USB 2 0 Driver Ø Audio Driver Ø Award Flashing Utility UA330158 0307 950220AF K T S JAPAN STD CR203 2 LITHIUM BATTER Y ATX12V PSKBM1 W inbond W 4 9V 00 2FAP 2 14 6 7 04 0 1 2 45 GH SA COM1 CPUFAN1 1 DIMM1DIMM2 FDD1 1 ATX1 IDE...

Page 12: ...sk environment CPU FSB Configuration Soft configuration FSB The FSB speed is software configurable from 100MHz to 133MHz Onboard 10 100Mb s LAN AB49N Only The Realtek RTL8100B incorporated in the chipset provides the mainboard with integrated Fast Ethernet capabilities On Board 6 Channel AC 97 Audio Compliant with AC 97 2 2 involves SPDIF Out function 6 channel slot selectable DAC Output for multi...

Page 13: ...transfer speeds of up to 100 66 33 MB sec and also supports Enhanced PIO Modes 80 pin Cable Backward Compatible Legacy ATAPI Devices ATAPI IDE CD ROM CD R CD RW and LS 120 Supports ATX Power Supply Connector ATX power supply unit can be connected to the onboard 20 pin ATX power connector and 4 pin ATX power connector The unit supports Suspend and Soft On Off modes by the dual function power button...

Page 14: ...ode Ø Modem Ring Power On The system can be powered on automatically by the activation of modem ringing Ø CPU Host Clock Setting This item allows users to adjust CPU Host Clock in BIOS Ø CPU Multiplier Setting This item allows users to adjust CPU Multiplier in BIOS Intelligent Features Ø Voltage Monitoring Monitors various voltages of key elements such as the CPU and other critical system voltage ...

Page 15: ...1 1 ATX1 IDE2 IDE1 1 1 1 S IO MART W83637HF AW PWRFAN1 1 FW82801DB CMI9739A LPT1 USB1394A_J1 USBLANA1 USBLAN1 BT1 CASFAN1 1 1 1 1 1 1 1 PS2 Keyboard PS 2 Mouse Port Connectors Serial Port Connector Parallel Port Connector USB Port Connectors Socket 478 ATX12V Power Connector ATX12V USB Port Connectors LAN Port Connector AB49N Only Mic In Line Out Line In Port Connectors Front Panel Micro phone Lin...

Page 16: ...e a set of heatsink and fan to cool down the processor You need to purchase a heatsink and fan if they are not bundled with your CPU Required is that install the set and plug its cable in the CPU fan power connector Note that there are kinds of CPU fan connectors Normally if your mainboard supports a hardware monitoring function a 3 pin fan power connector can have your system detect the CPU fan s...

Page 17: ...guration procedures The factory set default settings are tuned for opti mum system performance For the advanced users who wish to customize their system section 3 2 Jumper Settings will provide detailed information on how to configure your mainboard manually Step 3 Install DDR SDRAM System Memory To install memory insert DDR SDRAM memory module s in any one or two DIMM banks Note that SDRAM module...

Page 18: ...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 to the corresponding headers on board Note that the cable should be oriented with its colored stripe usu...

Page 19: ...studs between the chassis and the mainboard The studs are used to fix the mainboard and to keep a certain distance between the them for avoiding any electrical shorts in between If your computer case is already equipped with mounting studs you need to tighten the screws to attach the mainboard Note In most computer housings you can find 4 or more holes to place studs for fixing the mainboard If th...

Page 20: ...the front panel LEDs switches and a USB connector to the mainboard s front panel connectors PANEL1 and USB3 as shown below 1 HDD LED HDLED 2 Hardware Reset Switch Button HWRST 3 Green LED GRNLED 4 ATX Soft Power On Off PWRSW 5 Extended USB Header USB3 4 3 2 1 PANEL1 1 HDLED HWRST PWRSW GRNLED 1 USB3 5 5 2 4 6 10 1 VREG_FP_USBPWR0 3 USB_FP_P0 5 USB_FP_P0 7 GND 9 KEY 2 VREG_FP_USBPWR0 4 USB_FP_P1 6 ...

Page 21: ... 17 Step 7 Connect IDE and Floppy Disk Drives 1 IDE cable connectors 2 Floppy cable connector 1 IDE2 IDE1 1 1 FDD1 1 ...

Page 22: ... 18 Step 8 Connect Other Internal Peripherals 1 IR header IR1 2 Front panel microphone and line out header AUDIO1 and CD_IN connectors CDIN1 CDIN2 IR1 1 1 CDIN1 CDIN2 1 1 AUDIO1 ...

Page 23: ... 19 Step 9 Connect the Power Supplies 1 System power connectors ATX1 ATX12V Step 10 Install Add On Cards in Expansion Slots 1 Accelerated Grapics Port AGP Card 2 PCI Card ATX12V ATX1 ...

Page 24: ...r system s back panel 1 PS 2 Mouse Port 2 PS 2 Keyboard Port 3 Parallel Port 4 Serial Port 1 5 USB Ports 1 2 6 LAN Port AB49N Only 7 USB Ports 3 4 8 Audio Line In Port Shared with Rear Out Port 9 Audio Line Out Port Shared with Front Out Port 10 Audio Mic In Port Shared with Center Bass Out Port 1 3 4 5 2 6 7 8 9 10 ...

Page 25: ...AB49 AB49N bundled CD ROM into your CD ROM drive The auto run program will display the drivers main installation window on screen 2 Choose Install Intel Chipset Driver and complete it 3 Choose Install Intel Ultra ATA Driver and complete it 4 Choose Install LAN Driver and complete it AB49N Only 5 Choose Install USB 2 0 Driver and complete it 6 Choose Install Audio Driver and complete it 7 Return to...

Page 26: ...1 on the bottom Jumpers with two pins are shown as for Close On or for Open Off To short jumper pins simply place a plastic mini jumpers 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 o...

Page 27: ...jumpers slots and connec tors along with their assigned functions CPU Memory Expansion Slots Socket 478 CPU Socket for Pentium 4 Celeron 478 pin processors DIMM1 2 Two DIMM Slots for 128 256 512 MB and 1GB of 2 5V DDR SDRAM The total installed memory does not exceed 2GB AGP One 1X 2X 4X AGP Accelerated Graphics Port Slot PCI Six 32 bit PCI Expansion Slots B4 B5 B1 B2 B3 E1 B4 B6 B8 E3 C6 C1 C4 C5 ...

Page 28: ...Connectors HDLED IDE drive active LED HWRST Hardware reset switch GRNLED Green LED PWRSW ATX power on off momentary type switch USB3 Extended USB header AUDIO1 Front panel microphone and line out header Internal Peripherals Connectors FDD1 Floppy disk drive interface IDE1 IDE primary interface dual channel IDE2 IDE secondary interface dual channel Other Connectors ATX1 ATX12V ATX power connectors ...

Page 29: ...wer connector Step 3 Remove jumper cap from pins 1 2 Step 4 Place the jumper cap on pins 2 3 for a few seconds Step 5 Return the jumper cap to pins 1 2 Step 6 Plug ATX Power cable into ATX Power connector Step 7 Turn on the system power PC On BIOS Flash Protection Setting JP2 JP2 is used to protect the BIOS from being unintentionally flashed Enable this jumper for protection and disable this jumpe...

Page 30: ...eyboard s Plug the PS 2 Mouse Keyboard jacks into their corresponding connectors Parallel Port Connector One DB25 female parallel connector is lo cated at the rear panel of the mainboard Plug the connection cable from your paral lel device printer scanner etc into this connector COM1 Port Connector Attach a serial device cable to the DB9 se rial port COM1 at the back panel of your computer USB1 2 ...

Page 31: ...ine Out 6 Channel Front Out Port Connector Line Out is a stereo output port through which the combined signal of all internal and exter nal audio sources on the board is output It can be connected to 1 8 inch TRS stereo headphones or to amplified speakers Mic In 6 Channel Center Bass Out Port Connector Mic In is a 1 8 inch jack that provides a mono input It can use a dynamic mono or stereo microph...

Page 32: ...device LED to the 2 pin HDLED header The HDD LED lights up whenever an IDE device is active Hardware Reset Connector HWRST Attach a cable to the 2 pin HWRST header Pressing the reset switch causes the system to restart C2 C1 PANEL1 1 HDLED HWRST PWRSW GRNLED PANEL1 1 HDLED HWRST PWRSW GRNLED ...

Page 33: ...n GRNLED header ATX Power On Off Switch Connector PWRSW The Power On Off Switch is a momentary type switch used for turning on or off the ATX power supply Attach a connector cable to the 2 pin PWRSW header on the mainboard Note Please notice all the LED connectors are directional If your chassis s LED does not light up during running please change it to the opposite direction C3 C4 PANEL1 1 HDLED ...

Page 34: ... Front Oriented Microphone and Line Out port for easier access Either the Line Out port connector on back panel or AUDIO1 header is available at the same time If you would like to use this header on front panel please remove all jumpers from this header and install your special extra microphone and line out cable instead Two mini jump ers must be setted on pins 5 6 and pins 9 10 when this header i...

Page 35: ...ces such as CD ROM and Hard Disk Drive HDD This mainboard also includes one 34 pin floppy disk controller FDC to accommodate the Floppy Disk Drive FDD More over this mainboard comes with one 80 pin ATA 100 66 ribbon cable to connect IDE HDD and one 34 pin ribbon cable for FDD connection Important Ribbon cables are directional therefore connect the red cable stripe to the same side D1 1 IDE2 IDE1 1...

Page 36: ...o execute power on Thus this motherboard supports an AC Power Auto Recovery function to solve this problem You may enable the function PWRON After PWR Fail in the sub menu of Power Management Setup within the BIOS setup program 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 Note 2 Make sure the latch ...

Page 37: ...n the fan maker Keep in mind that the red wire should always be connected to the 12V header and the black wire to the ground GND header Audio CD_IN Connectors CDIN1 CDIN2 Ports CDIN1 White CDIN2 Black are used to attach audio connector cables from the CD ROM DVD ROM drives Pin Assignments 1 CD GND 2 CD R 3 CD GND 4 CD L Pin Assignments 1 CD R 2 CD GND 3 CD GND 4 CD L E2 SENSE GND 12V 1 E3 1 CDIN1 ...

Page 38: ...able this function attach a 6 pin infrared device cable to the IR IR1 header and refer to the diagram below for the IR pin assignments Pin Assignments 1 NC 2 KEY 3 5V 4 GND 5 IRTX 6 IRRX Note Before connect your IR device to the IR IR1 header please note that every pin is properly allocated If not your IR device may be damaged E4 E4 1 IR1 1 3 5 2 4 6 IR1 1 ...

Page 39: ...ry does not exceed 2GB 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 2 Upgrade Memory You can easily upgrade the system memory by inserting additional DDR SDRAM modules in available DIMM banks The total system memory is calculated by simply...

Page 40: ...uble click or run D Autorun exe assuming that your CD ROM drive is drive D Navigation Bar Description F Install Mainboard AB49 Software Installing Intel Chipset Intel Ultra ATA USB 2 0 and Audio drivers F Install Mainboard AB49N Software Installing Intel Chipset Intel Ultra ATA LAN USB 2 0 and Audio drivers F Manual AB49 AB49N user s manual in PDF format F Link to Shuttle Homepage Link to shuttle ...

Page 41: ...device e g mouse on the Install Mainboard AB49 Software bar or Install Mainboard AB49N Soft ware bar to run into sub menu The Mainboard AB49 Software include 4 2 A Install Intel Chipset Driver 4 2 B Install Intel Ultra ATA Driver 4 2 C Install USB 2 0 Driver 4 2 D Install Audio Driver The Mainboard AB49N Software include 4 2 A Install Intel Chipset Driver 4 2 B Install Intel Ultra ATA Driver 4 2 C...

Page 42: ...vice e g mouse on the Install Intel Chipset driver bar to install the chipset 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 AB49 AB49N ...

Page 43: ...IDE HDD please follow below indication to complete setup Select using your pointing device e g mouse on the Install Intel Ultra ATA Driver bar to install the ultra ATA IDE driver P S Before doing this IDE driver installation setup chipset system driver is necessary Once you made your selection a Setup window run the installation automati cally When the copying files is done make sure you reboot th...

Page 44: ...vice e g mouse on the Install USB 2 0 Driver bar to install the USB 2 0 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 AB49 AB49N ...

Page 45: ...evice e g mouse on the Install Audio Driver bar to install the audio 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 AB49 AB49N ...

Page 46: ...ection 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 4 3 View the User s Manual Select using your pointing device e g mouse on the Manual bar Click on the Install Acrobat Reader bar if you need to install it or click on AB49 AB49N Manual bar to view user s manual ...

Page 47: ... 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 Note1 If you miss trains of words mentioned in step2 the message disappears before you can respond and you still wish to en ter BIOS Setup restart the system and try again by turning the computer OFF and ON again or by pressing the RESET...

Page 48: ...reen 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 Use this menu to change the values in the chipset registers and opti mize your system ...

Page 49: ...m to operate Load Optimized Defaults Use this menu to load the BIOS default values that are factory set for optimal performance system operation While Award has designed the custom BIOS to maximize performance the factory has the right to change these defaults to meet users needs Supervisor User Password Use this menu to change set or disable supervisor user password It allows you to limit access ...

Page 50: ... time clock For example 5 00 00 p m is 17 00 00 IDE Primary Secondary Master Slave Press Enter to enter the sub menu of detailed options Drive A DriveB Select the type of floppy disk drive and installed in your system Ø 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 It refers to a 3 5 inch diskette with a capacity of 1 2 MB and is some time...

Page 51: ...nu IDE Primary Master Selecting Manual lets you set the remaining fields on this screen and select the type of fixed disk Ø The choice None Auto or Manual Access Mode Choose the access mode for this hard disk Ø The choice CHS LBA Large or 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 checking pro gra...

Page 52: ...multi task environment Ø The choice Enabled or Disabled Quick Power On Self Test Enable this item to shorten the power on testing POST and have your system start up faster You might like to this item after you are confident that your system hardware is operating smoothly Ø The choice Enabled or Disabled First Second Third Boot Device Use these three items to select the priority and order of the de...

Page 53: ... Boot Up NumLock Status This item defines if the keyboard Num Lock key is active when your system is started Ø The choice Off or On Gate A20 Option This item defines how the system handles legacy software that was written for an earlier generation of processors Leave this item at the deafult value Ø The choice Normal or Fast ATA 66 100 Cable Msg This item enables or disables the display of the ATA...

Page 54: ...essing SMP for its Pentium system Ø The choice Enabled or Disabled OS Select For DRAM 64MB This item is only required if you have installed more than 64 MB of memory and you are running the OS 2 operating system Otherwise leave this item at the default Ø The choice Non OS2 or OS2 HDD S M A R T Capability The item enables or disables the HDD system management function Ø The choice Disabled or Enabl...

Page 55: ...n t change the value from the factory setting unless you install new memory that has a different perfor mance rating than the original DRAMs Ø The Choice Manual or By SPD CAS Latency Time This item defines the timing delay in clock cycles before SDRAM starts a read command after receiving it Ø The Choice 1 5 2 2 5 or 3 Active to Precharge Delay This item defines the numbers of cycles for RAS to be...

Page 56: ...ting Enabled allows caching of the video BIOS resulting in better system performance However if any program is written to this memory area a system error may result Ø The Choice Enabled or Disabled Delayed Transaction The chipset has an embedded 32 bit posted write buffer to support de layed transactions cycles Enable this item to support compliance with PCI specification version 2 2 Ø The Choice ...

Page 57: ...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 Ø The choice Auto Mode 0 Mode 1 Mode 2 Mode 3 or Mode 4 IDE Primary Secondary Master Slave UDMA Each IDE channel supports a master device and a slave device This mainboard supports UltraDMA UDMA technology which provides fas...

Page 58: ...or Disabled Onboard LAN Boot ROM AB49N Only Decide whether to invoke the boot ROM of the onboard LAN chip Ø The choice Enabled or Disabled Init Display First This item is used to determine initial device when system power on Ø The choice PCI Slot or AGP IDE HDD Block Mode Select Enabled for automatic detection of the optimal number of block read write per sector the drive can support Ø The Choice ...

Page 59: ... or Disabled UR2 Duplex Mode This item allows you to select the IR half or full duplex function Ø The choice Full or Half Use IR Pins This item defines the IR pins as an IR device is used Ø The choice RxD2 TxD2 or IR Rx2Tx2 Onboard Parallel Port Allows you to determine an I O address and interrupt request IRQ for the onboard parallel port Ø The choice 378 IRQ7 278 IRQ5 3BC IRQ7 or Disabled Paralle...

Page 60: ...o turn its peripherals on or off for improving the power management and allows a PC turned on or off by external devices so that a mouse or keyboard can wake up it ACPI Suspend Type This item allows you to select sleep state when suspend In the default S1 POS the suspend mode is equivalent to a software power down S3 STR to the system that shuts down with the exception of a refresh current to the ...

Page 61: ...creen or DPMS Video Off In Suspend This item determines the manner in which the monitor is blanked Ø The choice Yes or No Suspend Type This item allows you to select the Suspend Type Ø The choice Stop Grant or PwrOn Suspend MODEM Use IRQ This determines the IRQ which the MODEM can use Ø The choice 3 4 5 7 9 10 11 or NA Suspend Mode The CPU clock will be stopped and the video signal will be suspend...

Page 62: ...0 or 12 5 Wake Up by PCI card This item leaves PCI cards wake up the system from the suspend mode Ø The choice Enabled or Disabled Power On by Ring This item defines the system will resume by activating of modem ring Ø The choice Enabled or Disabled USB Wake Up From S3 If you are using USB devices and the ACPI Suspend Type is set to S3 or S1 S3 enable this item to have USB devices wake up the syst...

Page 63: ... when any activity is detected on any of the drives or devices on the primary or secondary 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 the serial ports or the parallel port Ø The choice Disabled or Enabled PCI PIRQ A D When this item is disab...

Page 64: ... the system dynamically allocate resources to PnP devices as required to Manual the following item available Ø The choice Auto ESCD or Manual IRQ Resources This item allows you respectively assign an interruptive type for IRQs Ø The choice PCI Device or Reserved PCI VGA Palette Snoop Select Disabled if your system has a built in VGA Ø The choice Enabled or Disabled Assign IRQ For USB Enable this i...

Page 65: ...rning temperature level for the processor Ø The choice Disabled 50 C 122 F 53 C 127 F 56 C 133 F 60 C 140 63 C 145 66 C 151 F 70 C 158 F 75 C 167 F 80 C 176 F 85 C 185 F 90 C 194 F or 95 C 205 F The following items provide you with information about the system s current operating status You cannot make changes to one of them including System Temp CPU Temp SYS FAN Speed CPU FAN Speed PWR FAN Speed ...

Page 66: ...ltage Ø The choice Vcore Auto Vcore 1 5 Vcore 3 0 or Vcore 4 5 Auto Detect DIMM PCI CLK When this item is enabled BIOS will disable the clock signal of free DIMM and PCI slots Ø The choice Enabled or Disabled Spread Spectrum This item defines the spread spectrum modulation Ø The choice Enabled or Disabled CPU Clock This item allows the user to adjust CPU Host Clock usually 133 MHz 100 MHz or 66 MH...

Page 67: ... N N Pressing Y loads the BIOS default values for the most stable minimal performance system operations LoadOptimizedDefaults When you press Enter on this item you will 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 set for optimal performance system operation ...

Page 68: ...ew password The password can not exceed eight charac ters 3 System will request you to confirm the new password again 4 When completed new code takes effect No Password Setting If you want to disable the password just press Enter as a password input is requested If You Forget Password If you forget the password the only way to access the system is to clear the CMOS memory Please refer to page 25 o...

Page 69: ...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 N This allows you to exit from Setup without storing in CMOS any change The previous selections remain in effect This exits from the Setup...

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