Chapter 4 AMI® BIOS USER'S GUIDE
Contents
1. Plug and Play specification Currently only Windows 95 is PnP aware The settings are Yes or No The Optimal and Fail Safe default settings No Clear NVRAM on Every Boot During Yes this will clear NVRAM data on every boot PCI Latency Timer PCI Clocks This option specifies the latency timings in PCI clocks for all PCI devices on the PCI bus The settings are 32 64 96 128 160 192 224 or 248 The Optimal and Fail Safe default settings are 64 Primary Graphics Adapter This option is for selecting which VGA card is to be your primary display graphics adapter PCI VGA Palette Snoop When this option is set to Enabled multiple VGA devices operating on different buses can handle data from the CPU on each set of palette registers on every video device Bit 5 of the command register in the PCI device configuration space is the VGA Palette Snoop bit 0 is disabled For example if there are two VGA devices in the computer one PCI and ISA and the Bit settings are Disabled Data read and written by the CPU is only directed to the PCI VGA device s palette registers Enabled Data read and written by the CPU is directed to both the PCI VGA device s palette registers and the ISA VGA device palette registers permitting the palette registers of both devices to be identical This option must be set to Enabled if an ISA adapter card requires VGA palette snooping The settings are Enabled or Disabled The Optimal and Fail Safe default2. This option controls the number of SCLKs for an access cycle CAS Latency This option determines the CAS latency time parameter of SDRAM The settings are 2 clks or 3 clks Under 66MHz CPU bus set this option to either 2 or 3 but for 1OOMHz CPU it is recommended that this be set to 3 SDRAM RAS to CAS Delay This operation decide the delay in assertion of CAS SCAS from assertion of RAS SRAS in 66MHz Under 66MHz CPU bus set this option to either 2 or 3 but for 1OOMHz CPU it is recommended that this be set to 3 410 CHAPTER 4 AMI BIOS USER S GUIDE SDRAM RAS Precharge This option defines the RAS precharge requirements for the SDRAM memory type in 66MHz clocks Under 66MHz CPU bus set this option to either 2 or 3 but for 1OOMHz CPU it is recommended that this be set to 3 Graphics Mode Select This option is used to enable Disable the internal graphics device and select the amount of system memory that is used to support the internal graphics device Onboard Video Chip This option is used to enable disabled the video onboard the chip Initialize Display Cache Memory This option will allow you to initialized the display cache memory Paging Mode Control This option decide the GMCH memory controller tends to leave pages open or closed RAS to CAS This option determine the display cache RAS toCAS delay CAS Latency This option decide the display cache CAS latency RAS Timing This option controls RAS
3. WR WAR Y v X v X v v v X X v X X X KOO KSK SS S Note If the onboard serial port interrupt and ISA add on card interrupt are in conflict the serial port will not work properly Please disable one of the devices 4 22 CHAPTER 4 AMI BIOS USER S GUIDE Serial PortB Mode Choosing Normal will set the Serial Port B for normal use not for IR device Choosing IrDA or Ask IR will set it for use with IR device using these protocols IR Duplex Mode Can be set as either Half or Full duplex IR Pin Select Set this option to IRRX IRTX when using an internal IR device which is connected to IR1 connector Onboard Parallel Port Choose Auto the BIOS automatically assigned onboard parallel port to the available parallel port or disabled If the ISA add on card has Onboard parallel port to be set as LPT1 LPT2 LPT3 PORT IRQ T 0 378H YO 278H_ 1 0 3BCH ASSIGNED ASSIGNED X v Disabled LPT3 LPT2 LPT1 LPT2 LPT1 LPT1 LPT1 v v v v X v X v X v v v X X X v X X X v X X X Note If the onboard parallel port interrupt and ISA add on card interrupt are in conflict the parallel port will not work properly Please disable one of the devices 4 23 CHAPTER 4 AMI BIOS USER S GUIDE Parallel Port Mode This option allows user to choose the operating mode of the onbaord parallel port The settings are Normal SPP EPP or ECP mode EPP Version This option is for setting which EPP version will be us
4. active to precharge and refresh to RAS active delay RAS Precharge Timing This option controls RAS precharge clocks 411 CHAPTER 4 AMI BIOS USER S GUIDE 4 5 Power Management Setup 1 Press lt ENTER gt on Power Management Setup of the main menu screen AMIBIOS SETUP POWER MANAGEMENT SETUP C 1999 American Megatrends Inc All Rights Reserved ACPI Standby State si Available Options Power Management APM Enabled Disabled Green PC LED Status Blinking Enabled Green PC Monitor Power State Stand By Video Power Down Mode Suspend Hard Disk power Down Mode Stand By Standby Time Out Minute Disabled Suspend Time Out Minute Disabled Throttle Slow Clock Ratio 50 0 Keyboard amp PS 2 Mouse Access Monitor FDC LPT COM Ports Access Monitor SB amp MSS Audio Ports Access Ignore Midi Ports Access Ignore ADLIB Ports Access Ignore Primary Master IDE Access Monitor Primary Slave IDE Access Ignore Secondary Master IDE Access Monitor Secondary Slave IDE Access Ignore PIRQ A IRQ Active Ignore PIRQ B IRQ Active Ignore PIRQ C IRQ Active Ignore PIRQ D IRQ Active Ignore System Thermal Ignore Thermal Slow Clock Ratio 50 0 CPU Critical Temperature 650C 1490F Power Button Function On Off Restore on AC Power Loss Last State Ring Resume from Soft Off Disabled ESC Exit Sel LAN Resume from Soft Off Disabled PgUp PgDn Modify PME Function Support Disabled F2 F3 Color RTC Ala
5. are swapped The setting are Enabled and Disabled The Optimal and Fail Safe default settings are Disabled Floppy Drive Seek When this option is set to Enabled AMI BIOS performs a Seek command on floppy drive A before booting the system The settings are Enabled and Disabled The Optimal and Fail Safe default settings are Disabled PS 2 Mouse Support When this option is set to Enabled AMI BIOS supports a PS 2 mouse The settings are Enabled and Disabled The Optimal and Fail Safe default settings are Enabled Primary Display This option configures the primary display subsytem in the computer The settings are Mono monochrome 40CGA 80CGA or VGA EGA The optimal and Fail Safe default settings are VGA EGA Password Check This option specifies the type of AMI BIOS password protection that is implemented The Optimal and Fail Safe default settings are Setup Boot To OS 2 gt 64MB Set this option to Enabled to permit the BIOS to run properly if OS 2 is to be used with gt 64MB of DRAM The settings are Enabled or Disabled The Optimal and Fail safe default settings are Disabled 47 CHAPTER 4 AMI BIOS USER S GUIDE CPU Serial Number This option is for Pentium III processor During Enabled this will check the CPU Serial number Disabled this option if you don t want the system to know the Serial number Cache Bus ECC This option is for Pentium II processor During Enabled this will affect the sys
6. settings are Disabled 418 CHAPTER 4 AMI BIOS USER S GUIDE DMA Channel 0 1 3 5 6 7 These options specify the bus that the specified DMA channel is used These options allow you to reserve DMAs for legacy ISA adapter cards These options determine if AMI BIOS should remove a DMA from the available DMAs passed to devices that are configurable by the system BIOS The available DMA pool is determined by reading the ESCD NVRAM If more DMAs must be removed from the pool the end user can use these options to reserve the DMA by assigning an ISA EISA setting to it IRQ3 IRQ4 IRQ5 RQ7 IRQ9 IRQ10 IRQ11 IRQ14 IRQI5 These options specify the bus that the specified IRQ line is used on These options allow you to reserve IRQs for legacy ISA adapter cards These options determine if AMI BIOS should remove an IRQ from the pool of available IRQs passed to devices that are configurable by the system BIOS The available IRQ pool is determined by reading the ESCD NVRAM If more IRQs must be removed from the pool the end user can use these options to reserve the IRQ by assigning an ISA EISA setting to it Onboard I O is configured by AMI BIOS All IRQs used by onboard I O are configured as PCI PnP If all IRQs are set to ISA EISA and IRQ14 and 15 are allocated to the onboard PCI IDE IRQ9 will still be available for PCI and PnP devices because at least one IRQ must be available for PCI and PnP devices The settings are ISA EISA or PCI PnP The Opt
7. CHAPTER 4 AMI BIOS USER S GUIDE Chapter 4 AMI BIOS USER S GUIDE The system configuration information and chipset register information is stored in the CMOS RAM This information is retained by a battery when the power is off Enter the BIOS setup if needed to modify this information The following pages will describe how to enter BIOS setup and all about options 41 CHAPTER 4 AMI BIOS USER S GUIDE 4 1 Enter BIOS Setup Enter the AMI setup Program s Main Menu as follows 1 Turn on or reboot the system The following screen appears with a Series of diagnostic check AMIBIOS C 1999 American Megatrends Inc AGIOMS VXXX XXXXXX Hit lt DEL gt if you want to run setup C American Megatrends Inc 61 XXXX 001169 00111111 071592 i82440FX H 2 When the Hit lt DEL gt message appears press lt DEL gt key to enter the BIOS setup screen 3 After pressing lt DEL gt key the BIOS setup screen will appear Note If you don t want to modify CMOS original setting then don t press any key during the system boot 42 CHAPTER 4 AMI BIOS USER S GUIDE AMIBIOS HIFLEX SETUP UTILITIES VERSION 1 22 C 1999 American Megatrends Inc All Rights Reserved Standard CMOS Setup Advanced CMOS Setup Advanced Chipset Setup Power Management Setup PCI Plug and Play Setup Peripheral Setup Hardware Monitor Setup Auto Detect Hard Disks Change User Password Change Sup
8. I Plug and Play Setup press lt ESC gt to go back to the main menu 4 25
9. LKs 1 CAS Latency SCLKs 3 SDRAM RAS to CAS Delay SCLKs 3 SDRAM RAS Precharge 3 Graphics Mode Select UMA 1MB Onboard Video Chip Enabled CPU BIST Enable Disabled ICH Delayed Transaction Disabled ICH DCB Enable Disabled k kDisplay Cache Function Initialize Display Cache Memory Enabled ESC Exit Sel Paging Mode Control Closed PgUp PgDn Modify RAS to CAS Default F2 F3 Color CAS Latency Slow RAS Timing Slow RAS Precharge Timing Slow 2 Use lt Up gt and lt Down gt to choose the item and lt PgUp gt and lt PgDn gt keys to modify the highlighted item 3 After you have finished with the Advanced Chipset Setup press lt ESC gt to go back to the main menu 49 CHAPTER 4 AMI BIOS USER S GUIDE Description of the item on screen follows USB Function Set this option to Enabled or Disabled the on chip USB controller The Optional and Fail Safe default settings are Disabled USB Keyboard Legacy Support Set this option to Enabled or Disabled USB keyboard The Optional and Fail Safe default settings are Disabled DRAM Page Closing Policy This option controls whether the GMCH will precharge bank or precharge all during the service of a page miss Memory Hole This option allows the end user to specify the location of a memory hole The cycle matching the selected memory hole will be passed to the ISA bus If Enabled the selected hole is not remapped DRAM Tras Tre Cycle Time SCLKs
10. ain menu CHAPTER 4 AMI BIOS USER S GUIDE 4 3 Advanced CMOS Setup 1 Press lt ENTER gt on Advanced CMOS Setup of the main menu AMIBIOS SETUP ADVANCED CMOS SETUP C 1999 American Megatrends Inc All Rights Reserved Quick Boot Enabled Available Options Ist Boot Device Floppy Disabled 2nd Boot Device IDE 0 Enabled 3rd Boot Device CD ROM Try Other Boot Devices Yes Initial Display Mode BIOS Display Mode at Add On ROM Init Force BIOS Floppy Access Control Read Write S M A R T For Hard Disk Disabled BootUp Num Lock On Floppy Drive Swap Disabled Floppy Drive Seek Disabled PS 2 Mouse Support Enabled Primary Display VGA EGA Password Check Setup Boot to OS 2 gt 64M No CPU Serial Number Disabled Cache Bus ECC Enabled System BIOS Cacheable Disabled C000 64k Shadow Enabled ESC Exit Sel PgUp PgDn Modify F2 F3 Color 2 Use lt Up gt and lt Down gt to choose the item and lt PgUp gt and lt PgDn gt keys to modify the highlighted item 3 After you have finished with the Advanced CMOS Setup press lt ESC gt to go back to the main menu 45 CHAPTER 4 AMI BIOS USER S GUIDE Description of the item on screen follows Quick Boot Set this option to Enabled to permit AMI BIOS to boot within 5 seconds This option replaces the old ABOVE 1 MB Memory Test option The Optimal default setting is Enabled The Fail Safe default setting is Disabled 1st Boot D
11. ame when the AC power returns Note a If you set this option to last status the Power Button Function must be set to On Off or this function will not work b Jumper JP1 must always be open for this function to work prop erly Ring Resume from Soft Off During Disabled the system will ignore any incoming call from the modem During Enabled the system will boot up if there s an incoming call from the modem Note If you have change the setting you must let the system boot up until it goes to the operating system Then power off the system This function will work the next time you power on 415 CHAPTER 4 AMI BIOS USER S GUIDE LAN Resume from Soft Off During Disabled the system will ignore any incoming signal from the LAN network card During Enabled the system will boot up if there s an incoming signal from the LAN network card Note If you have change the setting you must let the system boot up until it goes to the operating system Then power off the system This function will work the next time you power on RTC Alarm Resume From Soft Off This function is for setting the Date Hour Minute and Second for your computer to boot up During Disabled you cannot use this function During Enabled Choose the Date Hour Minute and Second RTC Alarm Date Choose which day the system will boot up RTC Alarm Hour Choose which hour the system will boot up RTC Alarm Minute Choose which minute the system will boot u
12. ed The settings are 1 7 and 1 9 Parallel Port IRQ If the onboard parallel mode is not on auto mode the user can select the interrupt line for onboard parallel port We suggest that the user select the interrupt for the onboard parallel port as shown below Onboard parallel port set at Parallel Port IRQ LPTIGTSHD Lren Lact Parallel Port DMA Channel This option allows user to choose DMA channel to 3 for the onboard parallel port on ECP mode 424 CHAPTER 4 AMI BIOS USER S GUIDE 4 8 Hardware Monitor Setup optional The Hardware Monitor Setup is used to set the CPU speed and monitor the current CPU Temperature CPU Fan speed Chassis Fan Speed Power fan speed Vcore etc 1 Press lt ENTER gt on Hardware Monitor Setup of the main menu screen AMIBIOS SETUP HARDWARE MONITOR SETUP C 1999 American Megatrends Inc All Rights Reserved Chassis Intrusion Disabled Available Options CPU Temperature Detected By CPU Manual CPU Temperature 46 C 114 F Auto System Temperature 31 C 87 F CPU Fan Speed 4560 RPM CPU VID 2 00V Vcore 1 936V vet 2 480V Vio 3 280V 5 000V 5 113Vv 12 000V 12 045V 12 000V 11 763V 5 000V 4 932V Battery 3 00V 5V SB 5 60V ESC Exit Sel PgUp PgDn Modify F2 F3 Color 2 Use lt Up gt and lt Down gt to choose the item and lt PgUp gt and lt PgDn gt keys to modify the highlighted item 3 After you have finished with the PC
13. ervisor Password Change Language Setting Auto Configuration with Optimal Settings Auto Configuration with Fail Safe Settings Save Settings and Exit Exit without Saving Standard CMOS setup for changing time hard disk type etc 4 Use the lt Up gt and lt Down gt key to move the highlight scroll up or down 5 Use the lt ENTER gt key to select the option 6 To exit press lt ESC gt To save and exit press lt F10 gt 7 Section 3 2 to 3 7 will explain the option in more details 43 CHAPTER 4 AMI BIOS USER S GUIDE 4 2 Standard CMOS Setup 1 Press lt ENTER gt on Standard CMOS Setup of the main menu screen AMIBIOS SETUP STANDARD CMOS SETUP C 1999 American Megatrends Inc All Rights Reserved Date mm dd yyyy Fri March 20 1999 Time hh mm ss 17 09 25 Floppy Drive A 1 44 MB 3 1 2 Floppy Drive B Not Installed LBA Blk PIO 32Bit Type Size Cyln Head WPcom Sec Mode Mode Mode Mode Pri Master Auto ON ON AUTO ON Pri Slave Auto ON ON AUTO ON Sec Master Auto ON ON AUTO ON Sec Slave Auto ON ON AUTO ON Boot Sector Virus Protection Disabled Month Jan Dec ESC Exit Sel Day 01 31 PgUp PgDn Modify Year 1901 2099 F2 F3 Color 2 Use lt Up gt and lt Down gt to choose the item and lt PgUp gt and lt PgDn gt keys to modify the highlighted item 3 After you have finished with the Standard CMOS Setup press lt ESC gt to go back to the m
14. evice 2nd Boot Device 3rd Boot Device This option sets the sequence of boot drives The settings are IDEO The system will boot from the first HDD IDEL The system will boot from the Second HDD IDE2 The system will boot from the Third HDD IDE3 The system will boot from the Fourth HDD F optical The system will boot from LS 120 120M Floppy SCSI The system will boot from the SCSI Network The system will boot from the Network drive CD ROM The system will boot from the CD ROM Disable Disable this sequence Try other Boot Devices This option sets the device boot if all the Four Boot Devices failed Initial Display Mode This option sets the device boot if all the Four Boot Devices failed Display Mode at Add On ROM Init This option sets the device boot if all the Four Boot Devices failed Floppy Access Control This option sets the Floppy to Read only or Read Write S M A R T for Hard Disks This option sets the SMART Function for the hard disk The hard disk need to have SMART function for this feature to work CHAPTER 4 AMI BIOS USER S GUIDE Boot up Num Lock When this option is set to Off AMI BIOS turns off the Num Lock key when the system is powered on The end user can then use the arrow keys on both the numeric keypad and the keyboard The settings are On or Off The optimal default and Fail Safe default settings are On Floppy Drive Swap Set this option to Enabled to specify that floppy drives A and B
15. imal and Fail Safe default settings are IRQ3 through 7 are ISA EISA The Optimal and Fail Safe default settings PCI PnP 419 CHAPTER 4 AMI BIOS USER S GUIDE 4 7 Peripheral Setup 1 Press lt ENTER gt on Peripheral Setup of the main menu screen AMIBIOS SETUP PERIPHERAL SETUP C 1999 American Megatrends Inc All Rights Reserved CLKGEN Spread Spectrum Enabled Available Options CPU Ratio Selection 3 0x Auto CPU Host Clock Mhz Auto Disabled Onboard Sound Enabled Enabled Onboard AC 97 Audio Enabled Onboard AC 97 Modem Disabled Onboard IDE Both Onboard FDC Auto Onboard Serial Port A Auto Onboard Serial Port B Auto Serial Port B Mode Normal IR Duplex Mode Half Duplex IR Pin Select IRRX IRTX Onboard CIR Port Disabled CIR IRQ Select 10 Onboard Parallel Port Auto Parallel Port Mode ECP EPP Version N A Parallel Port IRQ Auto Parallel Port DMA Channel Auto Onboard Midi Port Disabled Midi IRQ Select 9 ESC Exit __ Sel Onboard Game Port Disabled PgUp PgDn Modify Mouse PowerOn Function Disabled F2 F3 Color Keyboard PowerOn Function Disabled Specific Key for Power On N A 2 Use lt up gt and lt down gt to choose the item and lt PgUp gt and lt PgDn gt keys to modify the highlighted item 3 After you have finished with the Peripheral Setup press lt ESC gt to go back to the main menu 420 CHAPTER 4 AMI BIOS USER S GUIDE Description of the item on screen fo
16. ion specifies the length of a period of system inactivity while in Suspend state When this length of time expires the computer enters Suspend power state The settings are Disabled 1 min 2 min 3 min 4 min 5 min 6 min 7 min 8 min 9 min 10 min 11 min 12 min 13 min 14 min or 15 min The Optimal and Fail Safe default settings are Disabled Throttle Slow Clock Ratio This option specifies the speed at which the system clock runs in power saving states The settings are expressed as a ratio between the normal CPU clock speed and the CPU clock speed when the computer is in the power conserving state Thermal Slow Clock Ratio When set to Monitor then you can choose the throttle ratio This option is connected with the CPU Critical Temperature Option 414 CHAPTER 4 AMI BIOS USER S GUIDE CPU Critical Temperature This option is for setting the CPU temperature that would be critical enough so that it would use the Thermal Slow Clock Ratio to cool down the CPU Power Button Function During Suspend if you push the switch once the system goes into suspend mode and if you push it more than 4 seconds the system will be turned off During On Off the system will turn off once you push the switch Restore on AC Power Loss The settings are power on or last status During power on after every AC power loss the system will be turned on During last status after every AC power loss whatever the system status it will be the s
17. llows CLKGEN Spread Spectrum This item allows you to set the CPU clock generator spread spectrum CPU Ratio Selection This item allows you to set the CPU ratio CPU Host Clock MHz This item allows you to set the CPU host clock Onboard Sound This item allows you to enable disable the onboard Aureal audio chipset The settings are Enabled Disabled Onboard AC 97 Audio Onboard AC 97 Modem This item allows you to decide to enable disable the 810 chipset family to support AC97 Audio Modem The settings are Enabled Disabled Onboard IDE Set this option to enable or disable on board IDE controller 421 CHAPTER 4 AMI BIOS USER S GUIDE Onboard FDC Choose Auto for the BIOS to automatically detect the device If the ISA add on card has Onboard FDC to be set at Disabled Enabled Choose Enabled Enabling onboard FDC Choose Disabled Disabling onboard FDC The Optimal and Fail Safe default settings are Auto Onboard Serial Port A Onboard Serial Port B Choose 3F8 for the BIOS to automatically detect the device If the ISA add on card has Onboard Serial port to be set at COMI COM2 COM3 COM4 IRQ IRQ 1 0 3F8H 1 0 3F8H 0 3E8H 0 2E8Hy PORTI ASSIGNED ASSIGNED DISABLED COM3 COM1 COM2 COM1 COM4 COM3 COM2 COM1 COM1 COM2 COM1 COM1 COMI COM4 COM2 COM3 COM4 DISABLED DISABLED DISABLED DISABLED COM2 COM3 COM3 COM2 COM2 KKK LKR K LL KKK QC KK KK NN KK NK RAR WBA KRW KR
18. p RTC Alarm Second Choose which second the system will boot up Note If you have change the setting you must let the system boot up until it goes to the operating system Then power off the system This function will work the next time you power on 416 CHAPTER 4 AMI BIOS USER S GUIDE 4 6 PCI Plug and Play Setup 1 Press lt ENTER gt on PCI Plug and Play Setup of the main menu screen AMIBIOS SETUP PCI PLUG AND PLAY SETUP C 1999 American Megatrends Inc All Rights Reserved Plug and Play Aware 0 S No Available Options Clear NVRAM No Enabled PCI Latency Timer PCI Clocks 64 Disabled Primary Graphics Adapter Add On VGA PCI VGA Palette Snoop Disabled DMA Channel 0 PnP DMA Channel 1 PnP DMA Channel 3 PnP DMA Channel 5 PnP DMA Channel 6 PnP DMA Channel 7 PnP IRQ3 PCI PnP IRQ4 PCI PnP IRQS PCI PnP IRQ7 PCI PnP IRQ9 PCI PnP IRQ10 PCI PnP IRQ11 PCI PnP IRQ14 PCI PnP IRQ15 PCI PnP ESC Exit Sel PgUp PgDn Modify F2 F3 Color 2 Use lt Up gt and lt Down gt to choose the item and lt PgUp gt and lt PgDn gt keys to modify the highlighted item 3 After you have finished with the PCI Plug and Play Setup press lt ESC gt to go back to the main menu 417 CHAPTER 4 AMI BIOS USER S GUIDE Description of the item on screen follows Plug and Play Aware O S Set this option to Yes if the operating system in this computer is aware of and follows the
19. rm Resume from Soft Off Disabled RTC Alarm Date 15 RTC Alarm Hour 12 RTC ALarm Minute 30 RTC Alarm Second 30 2 Use lt Up gt and lt Down gt to choose the item and lt PgUp gt and lt PgDn gt keys to modify the highlighted item 3 After you have finished with the Power Management Setup press lt ESC gt to go back to the main menu 4 12 CHAPTER 4 AMI BIOS USER S GUIDE Description of the item on screen follows ACPI Standby State This option sets the ACPI Power Management Standby State S1 Sleeping State The S1 sleeping state is low wake up latency sleeping state In this state no system context is lost CPU or chip set and hardware maintains all system context S3 Sleeping State The S3 state is a low wake up latency sleeping sate where all system context is lost expect system memory CPU cache and chipset context are lost in this state Hardware maintains memory context and restores some CPU and L2 configuration context Power Management APM Set this option to Enabled to enable the chipset s power management features and APM Advanced Power Management The settings are Enabled Inst On instant on or Disabled The Optimal and Fail Safe default settings are Disabled Green PC LED Status This option specifies the power state that the green PC compliant video monitor enters when AMI BIOS places it in a power savings state after the specified period of display inactivity has expired The set
20. tem performance Disabled this option if you don t want to affect the system performance System BIOS Cacheable AMI BIOS always copies the system BIOS from ROM to RAM for faster execution Set this option to Enabled to permit the contents of the F0000h RAM memory segment to be written to and read from cache memory The settings are Enabled or Disabled The Optimal default setting is Ena bled The Fail Safe default setting is Disabled C000 64K Shadow These options specify how the contents of the video ROM are handled The settings are Disabled the Video ROM is not copied to RAM Cached the contents of the video ROM from C0000h C7FFFh are not only copied from ROM to RAM it can also be written to or read from cache memory Shadow the Contents of the video ROM from C0000h C7FFFh are copied shadowed from ROM to RAM for faster execution The Optimal and Fail Safe default setting is Cached CHAPTER 4 AMI BIOS USER S GUIDE 4 4 Advanced Chipset Setup 1 Press lt ENTER gt on Advanced Chipset Setup of the main menu screen AMIBIOS SETUP ADVANCED CHIPSET SETUP C 1999 American Megatrends Inc All Rights Reserved USB Function Enabled Available Options USB Keyboard Legacy Support Disabled Disabled CPU Latency Timer Disabled Enabled DRAM Page Closing Policy Closed CD Hole DC000h DFFFh Disabled Memory Hole Disabled DRAM Tras Trc Cycle Time SCLKs 6 8 Address Setup Time SC
21. tings are Off Standby Suspend or Disabled The Optimal and Fail Safe default settings are Standby Green PC Monitor Power State This option specifies the power state that the green PC compliant video monitor enters when AMI BIOS places it in a power savings state after the specified period of display inactivity has expired The settings are Off Standby Suspend or Disabled The Optimal and Fail Safe default settings are Standby 4 13 CHAPTER 4 AMI BIOS USER S GUIDE Video Power Down Mode This option specifies the power conserving state that the VESA VGA video subsystem enters after the specified period of display inactivity has expired The settings are Disabled Standby or Suspend The Optimal and Fail Safe default settings are Standby Hard Disk Power Down Mode This option specifies the power conserving state that the hard disk drive enters after the specified period of hard drive inactivity has expired The settings are Disabled Standby or Suspend The Optimal and Fail Safe default settings are Disabled Standby Time Out Minute This option specifies the length of a period of system inactivity while in Standby state When this length of time expires the computer enters Suspend power state The settings are Disabled 1 min 2 min 3 min 4 min 5 min 6 min 7 min 8 min 9 min 10 min 11 min 12 min 13 min 14 min or 15 min The Optimal and Fail Safe default settings are Disabled Suspend Time Out Minute This opt
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