H55 HD BIOS Manual
Contents
1. vxx xx C Copyright 1985 200x American Megatrends Inc 20 H55 HD BIOS Manual Legacy USB Support This item determines if the BIOS should provide legacy support for USB devices like the keyboard mouse and USB drive This is a useful feature when using such USB devices with operating systems that do not natively support USB e g Microsoft DOS or Windows NT Options Enabled Default Disabled BIOS EHCI Hand Off This item allows you to enable support for operating systems without an EHCI hand off feature Options Enabled Default Disabled Legacy USB1 1 HC Support Thisitem allows you to activate USB 1 1 HC support Options Enabled Default Disabled USB Mass Storage Dev ice Configuration BIOS SETUP UTILITY USB Mass Storage Device Configuration Number of seconds _ee oo enwnvnvnkeks amp amp amp _ _ POST waits for the USB mass storage device after start Device unit command Emulation Type Auto R Select Screen Select Item Change Option Fl General Help F10 Save and Exit Exit vVxx xx C Copyright 1985 200x American Megatrends Inc USB Mass Storage Reset Delay Thisitem allows you to set the reset delay for USB mass storage device Options 20 Sec Deftult 10 Sec 30Sec 40Sec Emulation Tye Thisitem allows you to select the emulation type of the USB mass storage device Options Auto Default Floppy Forced FDD Hard Disk CDROM 21 H55 HD BIOS2. z Change Field the settings jalect Field Notice The default BIOS settings apply for most conditions to ensure optimum performan ce of the motherboard If the system becomes unstable after changing any settings please load the default settings to ensure system s compatibility and stability Use Load Setup Default under the Exit Menu For better system performance the BIOS firmware is being continuously updated The BIOS information described in this manual is for your reference only The actual BIOS information and settings on board may be slightly different from this manual The content of this manual is subject to be changed without notice We will not be responsible for any mistakes found in this user s manual and any system damage that may be caused by wrong settings H55 HD BIOS Manual 1 Main Menu Once you enter AMI BIOS Setup Utility the Main Menu will appear on the screen providing an overview of the basic system inform ation BIOS SETUP UTILITY Advanced PCIPnP Boot Chipset Performance Exit System Overview Use ENTER TAB or SHIFT TAB to AMI BIOS select a field Version SOM Oi Or Build Date 01 01 10 Use or to configure system Time System Memory Size 00 00 System Date Fri 01 01 2010 Select Screen Select Item gt IDE SATA Configuration Change Field Select Field General Help Save and Exit Exit vxx xx C Copyright 1985 200x American Megatrends Inc
3. Default 1 1 MPS and ACPI MADT ordering Modern ordering is for Windows XP or later OSes Legacy ordering is for Windows 2000 or earlier OSes Option Modern ordering Default Legacy ordering PCI Express Configuration BIOS SETUP UTILITY PCI Express Configuration Enab le Disable SSS PCI Express LOs and L1 link power states Select Screen Select Item Change Option General Help Save and Exit Exit pyright 1985 200x American Megatrends Active State PowerManagement Enable or disable PCI Express LOs and L1 link power states Option Disabled Default Enabled 19 H55 HD BIOS Manual Smbios Configuration BIOS SETUP UTILITY Smbios Configuration SMBIOS SMI Wrapper support for PnP Func 50h 54h Select Screen Select Item Change Option General Help Save and Exit Exit vxx xx C Copyright 1985 200x American Megatrends Inc Smbios Configuration SMBIOS SMIW rapper support for PnP func 50h 54h Option Enabled Default Disabled USB Configuration Thisitem shows the USB controller and using USB device information BIOS SETUP UTILITY USB Configuration Enables support for legacy USB AUTO Module Version 2 24 4 13 4 option disables legacy support if USB Devices Enabled no USB devices are connected BIOS EHCI Hand Off Enabled Legacy USB1 1 HC Support Enabled gt USB Mass Storage Device Configuration Select Screen Select Item Change Option General Help Save and Exit Exit
4. Options DVMT Mode Default 30 H55 HD BIOS Manual DVMT FIXED Memory Size DVMT stands for Dynamic Video Memory Technology This is an enhancement of the unified memory architecture UMA concept DVMT will set the optimum amount of memory to be allocated for a balance between graphics and system performance DVMT dynamically respond to sytem requirements and applications demands by allocating the proper amount of display texturing and buffer memory after the operaing system has booted Options 256MB Default 128MB Maximum DVMT PAVP Mode GMCH Protected Audio Video Path PAVP BIOS support Options Lite Default Disabled High South Bridge Configuration BIOS SETUP UTILITY Chipset South Bridge Chipset Configuration Enable Disable USB ee CONT TOL Lene iims Vat ell EHCI Controller 1 Enabled EHCI Controller 2 Enabled HDA Controller Enabled Internal HDMI Audio Codec Enabled SMBUS Controller Enabled SLP_S4 Min Assertion Width 1 to 2 seconds Select Screen Select Item Change Option General Help Save and Exit Exit vxx xx C Copyright 1985 200x American Megatrends Inc USB Function Thisitem allows you to activate USB function Options Enabled Default Disabled EHCI Controller 1 2 Thisitem allows you toenable integrated USB 2 0RMH 1 2 Options Enabled Default Disabled 31 H55 HD BIOS Manual HDA Controller Thisitem allows you to control the HD Audio support Opt
5. Thisitem sets the display mode for option ROM Options Force BIOS Default Keep Current Bootup Num Lock Seleds the NumLock State after the system switched on Options ON Default OFF PS 2 Mouse Support This BIOS feaure determines ifthe BIOS should reserve IRQ12 for the PS 2 mouse or allow other devices to make use of this IRQ Options Auto Default Disabled Enabled 26 H55 HD BIOS Manual Wait for F1 If Error This BIOS feaure controls the system s response when a error is detected during the boot sequence Options Enabled Default Disabled Hit DEL Message Display This BIOS feaure allows you to control the display of the Hit DEL to enter Setup message during memory initialization Options Enabled Default Disabled Interrupt 19 Capture Interupt 19 isthe software interrupt that handles the boot disk function When set to Enabled this item allows the option ROMs to trap intermpt 19 Options Disabled Default Enabled BOOT SUCCESS BEEP When this itemis set to Enabled BIOS will let user know boot success with beep Options Enabled Default Disabled 27 H55 HD BIOS Manual 5 Chipset Menu This submenu allows you to configure the specific features of the chipset installed on your system This chipset manage bus speeds and access to system memory resources such as DRAM It also coordinates communications withthe PCI bus Notice Beware of that setting inapp
6. Vxx xx C Copyright 1985 200x American Megatrends Inc AHCI BIOS Support This BIOS feaure controls the AHCI function of the SATA controller Options Enabled Default Disabled AHCI Port0 Port1 Por2 Port3 Port4Port5 BIOS SETUP UTILITY AHCI Port0 Select the type ieam ae a a e a of device connected Device to the system S M A R T Enabled Select Screen Select Item Change Option General Help Save and Exit Exit vxx xx C Copyright 1985 200x American Megatrends H55 HD BIOS Manual Device This area shows the detected connected device SATA Port0 1 2 4 5 This item allows you to select the connected device type Options Auto Default Not Installed S M A R T This item allows you to control the device S M A R T function Options Enabled Default Disabled SATA 1 2 3 4 Device BIOS SETUP UTILITY SATA1 Device Select the type of device connected Device to the system LBA Large Mode Aut o Block Multi Sector Transfer Aut o PIO Mode Aut o DMA Mode Aut o S M A R T Aut o 32Bit Data Transfer Enabled Select Screen Select Item Change Option General Help Save and Exit Exit pyright 1985 200x American Megatrends The BIOS detects the inform ion and values of respective devices and these information and values are shown below to the name of the sub menu Type Selec the type of the IDE S ATA drive Options Auto Default CDROM ARMD Not Installed LBA La
7. 1985 200x American Megatrends Inc Onboard PCIE Giga LAN Thisitem allows you to control the onboard LAN Options Auto Default Enabled Disabled Onboard LAN Boot Rom Thisitem allows you to select the Onboad LAN Boot ROM Options Disabled Default Enabled Onboard PATA IDE Controller Thisitem allows you to select PATA IDE Controller operate mode Options Auto Default Enabled Disabled Onboard LAN MACID Thisitem shows the LAN MACID 17 H55 HD BIOS Manual Intel V T d Configuration BIOS SETUP UTILITY Disabled Enabled Select Screen Select Item Change Option General Help Save and Exit Exit vxx xx C Copyright 1985 200x American Megatrends Inc Intel VT d Intel R Virtualization Technology for Directed V O VT d pwvides hardware assists for virtualization improving security reliability and performance of I O devices in virtualized environment Options Disabled Default Enabled MPS Configuration BIOS SETUP UTILITY MPS Configuration Select MPS _ _ _ _ nnknknk ae cc Revision MPS and ACPI MADT ordering Modern ordering Select Screen Select Item Change Option General Help Save and Exit Exit vxx xx C Copyright 1985 200x American Megatrends Inc 18 H55 HD BIOS Manual MPS Revision The BIOS supports version 1 1 and 1 4 ofthe Intd multiprocessor speci fication Seleq version supported by the operating system running on this computer Option 1 4
8. AMI BIOS Shows systeminformation including BIOS version built date etc System Memory Shows system memory size VGA shard memory will be excluded System Time Set the system internal clock System Date Set the system date Note that the Day automatically changes when you set the date H55 HD BIOS Manual IDES ATA Configuration The BIOS will automatically detect the presence of SATA IDE devices There is a sub menu for each SATA IDE device Select a device and press lt Enter gt to enter the sub menu of detailed options BIOS SETUP UTILITY ae SATA 1 Configuration Compatible IDE AHCI AHCI Configuration Disabled SATA 1 Device SATA 2 Device SATA 3 Device SATA 4 Device Hard Disk Write Protect Disabled Select Screen IDE Detect Time Out Sec 35 Select Item ATA PI 80Pin Cable Detection Host amp Device EnterGo to Sub Screen F1 General Help F10 Save and Exit ESC Exit vxx xx C Copyright 1985 200x American Megatrends Inc Configure SATA as Thisitem allows you to choose the SATA operation mode Options IDE Default AHCI Disabled SATA 1 Configuration Thisitem allows you to control the onboard SAT A controller Options Compatible Default Enhanced H55 HD BIOS Manual AHCI Configuration BIOS SETUP UTILITY AHCI Settings Enables for supporting gt gt gt gt gt gt Select Screen Select Item Change Option General Help Save and Exit Exit
9. allow you to assign each system interrupt a type depending on the type of device using the interrupt The option Available means the IRQ is going to assign automatically Options Available Default Reserved 23 H55 HD BIOS Manual DMA Channel 0 1 3 5 6 7 These items will allow you to assign each DMA channel a type depending on the type of device using the channel The option Available means the channel is going to assign automatically Options Available Default Reserved Reserved Memory Size Thisitem allows BIOS to reserve certain memory size for specific ISA device Options Disabled Default 16K 32K 64K 24 H55 HD BIOS Manual 4 Boot Menu This menu allows youto setup the system boot options BIOS SETUP UTILITY Main Advan ced PCIPnP Chipset Performance Boot Settings Specifies the 8 see Boot Device Priority sequence gt Hard Disk Drives gt Removable Drives gt CD DVD Drives gt Boot Settings Configuration bd Select Screen Select Item EnterGo to Sub Screen Fl General Help F10 Save and Exit ESC Exit vxx xx C Copyright 1985 200x American Megatrends Inc Boot De vice Priority Items in this sub menu specify the boot device priority sequence fiom the available devices The number of device items that appears on the screen depends on the number of devices installed in the system Hard Disk Drives The BIOS will attempt to arrange the hard disk boot sequen
10. to determine how the paralld port should function Options Normal Default Using Parallel port as Standard Printer Port EPP Using Parallel Pott as Enhanced Parallel Port ECP Using Parallel port as Extended Capabilities Port ECP EPP Using Parallel port as ECP amp EPP mode ECP Mode DMA Channel Thisitem allows you to select parallel port ECP DMA Options DMA3 Default DMA0O DMA1 Pardlel Port IRQ Thisitem allows you to select the IRQ for the onboard parallel port Options IRQ7 Default IRQS Disabled OnBoard CIR Port Thisitem allows you to select consumer IR port Options Disabled Default 3E0 2E0 298 CIR Port IRQ Thisitem allows you to select consumer IR port RQ Options IRQIO Default IRQ3 IRQ4 IRQII Keyboard PowerOn Thisitem allows you to control the keyboard power on function Options Disabled Default Specific Key Stroke Key Any Key Specific Key Enter Thisitem will show only when Keyboard PowerOn is set Specific Key 11 H55 HD BIOS Manual Stroke Keys Selected Thisitem will show only when Keyboard PowerOn is set Stroke Key Options Cti F1 Default Wake Key Power Key Ctrl F2 Qrl F3 Ctd F4 Grl F5 Ctrl F6 Mouse PowerOn Thisitem allows you to control the mouse power on function Options Disabled Default Enabled Restore on AC Power Loss This setting specifies how your system should behave after a power fail or interrupts occur By choosing Disab
11. 15 DRAM tRCD Options 9 Default 3 15 34 H55 HD BIOS Manual DRAM tRP Options 9 Default 3 15 DRAM tRAS Options 24 Default 9 63 DRAM tRRD Options 4 Default 5 15 DRAM tWR Options 10 Default 3 31 DRAM tWTR Options 5 Default 4 31 DRAM tRTP Options 5 Default 4 15 DRAM tRFC Options 74 Default 15 255 DRAM tFAW Options 20 Default 15 63 DRAM Command Rate Thisitem allows you to select command rate of DDR3 Options Auto Default 1T 2T 35 H55 HD BIOS Manual Clock Gen Configuration BIOS SETUP UTILITY Clock Gen Configuration PCIE Frequency Setting 100 CPU Clock delay No delay PCH Clock delay No delay Select Screen Select Item Change Option General Help F10 Save and Exit ESC Exit Vxx xx C Cop PCIE Clock By Thisitem allows you to determine how toset PCIE Clock by auto or manual Options Auto Default Manual PCIE Frequency Setting Thisitem allows you to select the PCIE clock control Options 100 Default Min 100 Max 150 CPU PCH Clock delay Thisitem allows you to select CPU PCHClock delay Options No delay Default 50ps 100ps 150ps 200ps 250 300ps 350ps 400ps 450ps 500ps 36 H55 HD BIOS Manual Voltage Control BIOS SETUP UTILITY Voltage Control CPU Vcore CPU VIT Voltage DRAM Voltage CPU Temperature System Temperature DRAM Voltage Auto CPU VIT Voltage 1 15V
12. H55 HD BIOS Manual BIOS S tip vite antesceatarcskuienai detain tatasiiaass satis astea 1 Main Mem sesso asa sates celica deca taeda AScis at cae caiebab eatpendaguansdaautecsweaudecee 3 2 Advanced Menu esseseessesseeseesoesoosresoesoossosrossoesoesoomoesooesocsmeoesocsoesorssessose 8 SPC IPI Menisi ses Scciscveseda cesensycoeseniivecs aseescacasedtesssisiqun TaN ea 22 AB Ot Whe nh oases sents cescaats sceastavacasvacbucs vanehansiate tesscsveonseausectenciicevessivetiansians 25 SChip t Me th sssscsiscsesivccscseiness soasstiisctisesisntisechsocbnss eines aennnieennts 28 6 Performance MOM UW sisi ccossscicces soeencsperestnesinedonscismcssechesseweneesseonvauensss 33 Viren bi We Wa ss cis T T T T A TE 36 H55 HD BIOS Manual BIOS Setup Introduction The purpose of this manual is to describe the settings in the AMI BIOS Setup program on this motherboard The Setup program allows users to modify the basic system configuration and save these settings to CMOS RAM The power of CMOS RAM is supplied by a battery so that it retains theSetup information when the power is tumed off Basic Input Output System BIOS determines what a computer can do without accessing programs from a disk This system controls most of the input and output devices such as keyboard mouse serial ports and disk drives BIOS activates at the first stage of the booting process loading and executing the operating system Some additional features such as vims and pas
13. Manual 3 PCIPnP Menu This section describes configuring the PCI bus system PCI or Personal Computer Interconnect is a system which allows VO devices to operate at speeds nearing the speed of the CPU itselfuses when communicating with itsown speaal components Notice Beware of that setting inappropriate values in items of this menu may cause system tomalfunction BIOS SETUP UTILITY Chipset Main Advanced IPCIPnP Boot Performance Exit Advanced PCI PnP Settings Clear NVRAM during _ _ _ ee eee _ kknhknen _ wee System Boot WARNING Setting wrong values in below sections may cause system to malfunction Plug amp Play 0O S No PCI Latency Timer 64 Allocate IRQ to PCI VGA Yes Palette Snooping Disabled PCI IDE BusMaster Enabled OffBoard PCI ISA IDE Card Auto Select Screen Select Item IRQ3 Available Change Option aoe A Fl General Help vailable s d Exi IRQ7 Available Exit S se IRQQ Available Vxx xx C Copyright 1985 200x American Megatrends Inc Clear NV RAM Thisitem allows you to clear the data in the NVRAM CMOS by selecting Yes Options No Default Yes Plug amp Play OS When set to YES BIOS will only initialize the PnP cards used for the boot sequence VGA IDE SCSI The rest of the cards will be initialized by the PnP operating system like Window 95 When set to NO BIOS will initialize all the PnP cards For non PnP operating systems DO
14. S Netware this option must set to NO Options No Default Yes 22 H55 HD BIOS Manual PCI Latency Timer Thisitem controls how long a PCI device can hold the PCI bus befre another takes over The longer the laency the longer the PCI device can retain control of the bus before handing it over to another PCI device Options 64 Default 32 96 128 160 192 224 248 Allocate IRQ to PCI VGA Thisitem allows BIOS to choose a IRQ to assign for the PCI VGA card Options Yes Default No Palette Snooping Some old graphic controllers need to snoop on the VGA palette and then map it to their display a a way to provide boot infrmation and VGA compatibility This item allows such snooping to take place Options Disabled Default Enabled PCI IDE BusMaster Thisitem is atoggle for the built in driver that allows the onboard IDE controller to perform DMA Direct Memory Access trans fers Options Enabled Default Disabled OffBoard PCI ISA IDE Card Thisitem is for any other non onboard PCI ISA IDE controller adapter Options Auto Default PCI Slot1 6 OffBoard PCI IDE Primary Seocndary IRQ Disabled Use if this channel on card does not need an IRQ INTx Use these settings to assign an IRQ to the IntPin used by this channd Hardwired The card hardwires a fixed INT x into IntPin Options Disabled Default INT A INTB INTC INT D Hardwired IRQ3 4 5 7 9 10 11 14 15 These items will
15. Select Screen Select Item Change Option General Help F10 Save and Exit ESC Exit VXX XX C Cop CPU Vcore Voltage Thisitem allows you to select CPU Vcore Voltage control DRAM Voltage Thisitem allows you to select DRAM Voltage control CPU VTT Voltage Thisitem allows you to select CPU VTT Voltage control 37 H55 HD BIOS Manual Intel PPM Configuration BIOS SETUP UTILITY Intel PPM Configuration Disabled Disable GV3 Eni Enable GV3 Intel R Turbo Mode tech Enabled Factory default TDC limit value Factory default TDP limit value Intel R C STATE tech Enabled C State package limit setting Auto C3 State ACPI C2 C6 State Enabled C1 Auto Demotion Enabled C3 Auto Demotion Enabled Select Screen Select Item Change Option General Help Save and Exit Exit Vxx xx C Copyright 1985 200x American Megatrends Intel R SpeedStep tm tech This item allows you to enable SpeedStep technology for betta power saving SpeedStep is a technology built into some Intd processors that allows the clock speed of the processor to be dynamically changed by software Options Enabled Default Disabled Intel R Turbo Mode tech Turbo mode alows processor cores to mn faster than marked frequency in speci fic condition Options Enabled Default Disabled Intel R C STATE Tech This item allows you to control the C State power management functions of the processor CState CPU idle is set
16. ce automatically You can also change the booting sequence The number of device items that appears on the screen depends on the number of devices installed in the system Removable Drives The BIOS will attempt to arrange the removable drive boot sequence automatically You can also change the boqing sequence The number of device items that appears on the screen depends on the number of devices installed in the system 25 H55 HD BIOS Manual CD DVD Drives The BIOS will attempt to arrange the CD DVD drive boot sequence automatically You can also change the boqing sequence The number of device items that appears on the screen depends on the number of devices installed in the system Boot Settings Configuration BIOS SETUP UTILITY Boot Settings Configuration Allows BIOS to skip eee SSS ES certain tests while booting This will AddOn ROM Display Mode Force BIOS decrease the time Bootup Num Lock On needed to boot the PS 2 Mouse Support Auto system Wait For Fl If Error Enabled Hit DEL Message Display Enabled Interrupt 19 Capture Disabled BOOT SUCCESS BEEP Enabled Select Screen Select Item Change Option General Help Save and Exit Exit Vxx xx C Copyright 1985 200x American Megatrends Inc Quick Boot Enabling this option will cause an abridged version of the Power On Self Test POST to execute after you power up the computer Options Enabled Default Disabled AddOn ROM Display Mode
17. dStep technology for betta power saving SpeedStep is a technology built into some Intd processors that allows the clock speed of the processor to be dynamically changed by software Options Enabled Default Disabled PU Rati in This item allows you to set the CPU ratio frequency This item is adjustable only when SpeedStep Tech is set to Disabled Options x23 0 Default x9 0 x22 0 CPU Frequency Setting Thisitem allows you to select the CPU Frequency Options Min 100MHz Max 800MHz 33 H55 HD BIOS Manual Intel GP U Clock Thisitem allows you to GPU Clock Options Auto Default 133MHz 6 00OMHz DRAM Frequency Thisitem allows you to control the Memory Clock Options Auto Default 8300MHz 1067MHz 1333MHz DRAM Timing Configuration BIOS SETUP UTILITY DRAM Timing Configuration Current Memory Frequency DRAM Timing Control By g9 9 9 24 4 10 5 5 74 20 1 DRAM tCL DRAM tRCD DRAM tRP DRAM tRAS DRAM tRRD DRAM tWR DRAM tWIR 5 Select Screen DRAM tRTP Select Item DRAM ERTE Change Option DRAM Command Rate Soe a oa Exit Vxx xx C Copyright 1985 200x American Megatrends DRAM Frequency Thisitem allows you to control the Memory Clock Options Auto Default 8300MHz 1067MHz 1333MHz DRAM Timing Control By This item allows you to choose to manually or automatically regulate the DRAM Timing Options Auto Default Manual DRAM tCL Options 9 Default 3
18. during the current session and exit setup Discar n Abandon all changes made during the current session and restore the previously saved values Load Optimal Defaults This selection allows you to reload the BIOS when problem occurs during system booting sequence These configurations are factory settings optimized for this system 40 H55 HD BIOS Manual Security This sub menu allows you to provide revise supervisor and user password BIOS SETUP UTILITY Security Settings Install or Change the EN a gg password Supervisor Password Not Installed User Password Not Installed User Access level Ful 1 Access Change User Password Clear User Password Password Check Set up Boot Sector Virus Protection Disabled Select Screen Select Item EnterC hange F1 General Help F10 Save and Exit ESC Exit vxx xx C Copyright 1985 200x American Meg Change Supervisor Password Setting the supervisor password will prohibit everyone except the supervisor from making changes using the CMOS Setup Utility You will be prompted with to enter a password User Acess Level Thisitem allows supervisor to set the user level Options Full Access Default No Access View Only Limited Change User Password If the Supervisor Password is not set then the User Password will function in the same way as the Supervisor Password Ifthe Supervisor Password is set and the User Password is set the User will only be able
19. e On RING Disabled chance option Resume On RTC Alarm Disabled General Help Save and Exit Exit EuP Control Thisitem is used to en le or disable EuP Control Energy Using Products Options Disabled Default Enabled 14 H55 HD BIOS Manual Suspend mode The item allows you to select the suspend type under the ACPI opemting system Options S1 POS Default Power on Suspend S3 STR Suspend to RAM Auto POS STR Repost Video on S3 Resume The item allows you to determine whether to invoke VGA BIOS post on S3 SSTR resume Options No Default Yes ACPI Version Features The item allows you to select the version of ACPI Options ACPI v1 0 Default ACPI v2 0 ACPI v3 0 ACPI APIC support This item is used to enable or disable the motherboard s APIC Advanced Programmable Interrupt Contiller The APIC provides multiprocessor support more IRQs and faster interrupt handling Options Enabled Default Disabled AMI OEMB table Set this value to allow the ACPIBIOS toadd a pointer to an OEMB table in the Root System Description Table RSDI table Options Enabled Default Disabled Headless mode This is a server specific feature A headless server is one that operates without a keyboard monitor or mouse To run in headless mode both BIOS and operating system e g Windows Server 2003 must support headless operation Options Disabled Default Enabled APIC ACPI SCI IRQ Options Disabled De
20. equirements and prefetches data and instructions from the memory into the Levd 2 cache that are likely to be sequired in the near future This reduces the latency associated with memory reads Options Enabled Default Disabled Adjacent Cache Lire Prefetch The processor has a hardware adjacent cache line prefetch mechanism that automatically fetches an extra 64 byte cache line whenever the processor requests for a 64byte cache line This reduces cache latency by making the next cache line immediately available if the processor requires it as well Options Enabled Default Disabled Max CPUID Value Limit When the computer is booted up the operating system executes the CPUID instruction to identify the processor and its capabilities Before it can do so it must first query the processor to find out the highest input value CPUID recognizs This determines the kind ofbasic information CPUID can provide the operating system Options Disabled Default Enabled Intel R Virtualization Tech Virtualization Technology can virtually separate your system resource into several parts thus enhance the performance when running virtual machines or multi interface systems Options Enabled Default Disabled CPU TM Function The CPU TM Function is to throttle the clock speed of higher speed Prescott s to help keep them cool Options Disabled Default Enabled H55 HD BIOS Manual Execute Disable Bit Capability Thisitem all
21. fault Enabled USB Device Wakeup from S3 S4 Thisitem allows you to enable or disabled the USB resume from 3 S4 function Options Disabled Default Enabled 15 H55 HD BIOS Manual High Performance Event Timer Thisitem allows you to enable or disabled the HPET Options Disabled Default Enabled Resume On PME When you select Enabled a PME signal from PCI card returns the system to Full ON state For this function to work you may need a LAN add on card which supports the Wake on LAN function Set the Wake on LAN WOL jumper on motherboard to enable if applicable Options Disabled Default Enabled Resume on RING Thisitem allows you control the wake on ring function Options Disabled Default Enabled Resume On RTC Alarm When Enabled you can set the date and time at which the RTC real time clock alarm awakens the system from Suspend mode Options Disabled Default Enabled RTC Alarm Date Days You can choose which date the system will boot up System Time You can choose the system boot up time input hour minute and second to specify 16 H55 HD BIOS Manual Onboard PCI PCI E Devices Configuration BIOS SETUP UTILITY Onboard PCI PCI E Devices Configuration Auto Onboard LAN Boot ROM Disabled Enabled Onboard PATA IDE Controller Auto Disabled Qnboard LAN MAC ID Select Screen Select Item Change Option General Help Save and Exit Exit vxx xx C Copyright
22. ions Enabled Default Disabled Intemal HDMI Audio Codec Thisitem allows you to control enable or disable Internal HDMI Audio Code Options Disabled Default Enabled SMBUS Controller This BIOS feaure controls the VO buffers for the SMBus Options Enabled Default Disabled SLP_S4 Min Assertion Width Options 1 to 2 seconds Default 2 to 3 seconds 3 to 4 seconds 4 to 5 seconds 32 H55 HD BIOS Manual 6 Performance Menu This submenu allows you to change voltage and clock of various devices However we suggest you to use the defiult setting Changing the voltage and clock improperly may damage the device Notice Beware of that setting inappropriate values in items of this menu may cause system tomalfunction BIOS SETUP UTILITY Main Advanced PCIPnP Boot Chipset Advance Performance Settings Disable Disable Gv3 WARNING Please Clear CMOS if system no display GCs NG Ge after overclocking Current CPU Frequency Current Memory Frequency SPEC Current GPU Clock CPU Ratio Setting x23 0 CPU Frequency Setting 33 Intel GPU Clock Auto DRAM Frequency Auto Selecersercan gt DRAM Timing Configuration Select Item gt Clock Gen Configuration gt Voltage Control EnterGo to Sub Scree gt Intel PPM Configuration F1 General Help F10 Save and Exit ESC Exit vxx xx C Copyright 1985 200x American Megatrends Inc Intel R SpeedStep tm Tech This item allows you to enable Spee
23. led will leave the computer in the power off state Choosing Enabled will restore the system to the status before power failure or interupt occurs Options Power Off Default Power ON Last State Hardware Health Configuration Thisitem shows the system temperature fan speed and voltage information BIOS SETUP UTILITY Advanced Hardware Health Configuration Saainilas Taare Health Monitoring Device Shutdown Temperature Disabled CPU Temperature System Temperature CPU FAN Systeml FAN 12 0V 5 00V Select Screen CPU Vcore Select Item CPU VIT Voltage cha Change Option DRAM Voltage F1 General Help 3 30V SB Save and Exit Exit vVxx xx C Copyright 1985 200x American Megatrends Inc H W Health Function If with a monitoring system the system will show PC health staus duringPOST stage Options Enabled Default Disabled 12 H55 HD BIOS Manual Shutdown Temperature This item allows you to set up the CPU shutdown Temperature This item is only effective under Windows 98 ACPI mode Options Disabled Default 60 C 140 F 65 C 149 F 70 C 158 F 75 C 167 F 80 C 176 F 85 C 185 F 90 C 194 F mart Fan Configuration BIOS SETUP UTILITY Smart Fan Configuration When you choice Auto a a please run the calibration to define Smart Fan Calibration the Fan parameters for Control Mode Smart Fan control Fan Ctrl OFF C Fan Ctrl Onf Fan Ctrl Start value Fan Ctrl Sensi
24. ning Disabled The cold booting with memory detection and hardware training Options Disabled Default Enabled Memory Hole You can reserve this area of system memory for ISA adapter ROM When this area is reserved it cannot be cached Check the user information of peripherals that need to use this areaof system memory for the memory requirements Options Disabled Default 1SM 16M Initiate Graphic Adapter This item allows you to select which graphics controller to use as the primary boot device Options PEG PCI Default IGD PCI IGD PCI PEG PEG IGD 29 H55 HD BIOS Manual IGD Graphics Mode Select This item will be different as your memory modules When the memory size is decided this fame bu ffer size will also be fixed Options Enabled 32MB Default Enabled 64MB Enabled 128MB Disabled PEG Port This BIOS feature is atoggle that enables or disables the PCI Express port Options Auto Default Disabled PEG Force GEN1 Some non graphics PCI E devices may not follow PCIE Specification and may incorrectly report their Gen cap ability or link width Options Disabled Default Enabled Video Function Configuration BIOS SETUP UTILITY Chips et Video Function Configuration DVMT FIXED Memory 256MB PAVP Mode Lite Select Screen Select Item Change Option General Help Save and Exit Exit Vxx xx C Copyrig i g Inc DVMT Mode Select Thisitem allows you to select the DVMT mode
25. ows you to configure the Execute Disabled Bit function which protects your system fiom buffer overflow attacks Options Enabled Default Disabled Intel R HT Technology Hype Threading Technology can improve performance by splitting instructions into multiple streams Options Enabled Default Disabled Active Processor Cores Thisitem allows you to set the number of cores to enable in each processor pack age Options All Default 1 2 A20M Legacy OSes and APs may need A20M enabled Options Disabled Default Enabled SuperlO Configuration BIOS SETUP UTILITY Advancec q Configure ITE8721 Super IO Chipset Allows BIOS to Select Serial Portl Base Addresses Parallel Port Mode 378 Parallel Port Mode Normal Parallel Port IRQ IRQ7 Onboard CIR Port Disabled Keyboard PowerOn Disabled Mouse PowerOn Disabled Restore on AC Power Loss by I0 Power Off Select Screen Select Item Change Option General Help Save and Exit Exit Vxx xx C Copyright 1985 200x American Megatrends Inc Serial Porti Address Select an address and corresponding interrupt for the first and second serial ports Options 3F8 IRQ4 Default 2F8 IRQ3 3E8ARQ4 2E8 IRQ3 Auto Disabled 10 H55 HD BIOS Manual Pardlel Port Address Thisitem allows you to determine access onboard parallel port controller with which VO Address Options 378 Default 278 3BC Disabled Pardlel Port Mode Thisitem allows you
26. rge Mode Enable or disable the LBA mode Options Auto Default Disabled Block MultiSector Transfer Enable or disable multi sector trans fer Options Auto Default Disabled H55 HD BIOS Manual PIO Mode Seled the PIO mode Options Auto Default 0 1 2 3 4 DMA Mode Seled the DMA mode Options Auto Default SWDMAO 2 MWDMAO 2 UDMAO 5 S MA R T Set the Smart Monitoring Analysis and Reporting Technology Options Auto Default Disabled Enabled 32Bit Data Transfer Enable or disable 32 bit data transfer Options Enabled Default Disabled Hard Disk Write Protect Disable or enable device write protection This will be effective only if the device is accessed through BIOS Options Disabled Default Enabled IDE Detect Time Out Sec Selec the time out value for detecting IDE S AT A devices Options 35 Default 30 25 20 15 10 5 0 ATA PI 80Pin Cable Detection Select the mechanism fr detecting 80Pin AT APD Cable Options Host amp Device Default Host Device H55 HD BIOS Manual 2 Advanced Menu The Advanced Menu allows you to configure the settings of CPU Super I O Power Management and other system devices Notice Beware of that setting inappropriate values in items of this menu may cause system tomalfunction BIOS SETUP UTILITY PCIPnP Boot hipse Advanced Settings Configure CPU WARNING Setting wrong values in below sections may cause system to malf
27. ropriate values in items of this menu may cause system tomalfunction BIOS SETUP UTILITY Main Advan ced PCIPnP Boot Performance Exit Advanced Chipset Settings Configure North Bridge ee TT features WARNING Setting wrong values in below sections may cause system to malfunction gt South Bridge Configuration Select Screen Select Item EnterGo to Sub Scree EL General Help F10 Save and Exit ESC Exit vxx xx C Copyright 1985 200x American Meg 28 H55 HD BIOS Manual North Bridge Configuration BIOS SETUP UTILITY North Bridge Chipset Configuration ENABLE Allow ee remapping of overlapped PCI memory Fast MRC Disabled above the total PCI MMIO Allocation physical memory Memory Hole Disabled DISABLE Do not allow Initate Graphic Adapter PEG PCI remapping of memory IGD Graphics Mode Select Enabled 32MB IGD GTT Graphic smemory size No VT mode 2MB NB PCIE Configuration Select Screen PEG Port Auto Select Item PEG Force GEN1 Disabled Change Option General Help gt Video Function Configuration Save and Exit Exit vxx xx C Copyright 1985 200x American Megatrends Inc Memory Remap Feature This item allows you to enable or disable the remapping of the overlapped PCI memory above the total physical memory Only 64 bit OS supports this function Options Enabled Default Disabled Fast MRC Enabled While cold booting MRC drectly estores memory data from valid NVRAM without hardware tra
28. sword protection or chipset fine tuning options are also included in BIOS The rest of this manual will to guide you through the options and settings in BIOS Setup Plug and Play Support This AMI BIOS supports the Plug and Play Version 1 0A specification EPA Green PC Support This AMI BIOS supports Version 1 03 of the EPA Green PC specification ACPI Support AMI ACPI BIOS support Version 1 0 2 0 of Advanced Configuration and Power interfice specification ACPI It provides ASL code for power management and device configuration capabilities as defined in the ACPI specification developed by Microsoft Intel and Toshiba H55 HD BIOS Manual PCI Bus Support This AMI BIOS also supports Version 2 3 of the Intel PCI Peripheral Component Interconnect local bus speci fication DRAM Support DDR3 SDRAM Double Data Rate II Synchronous DRAM is supported Supported CP Us This AMI BIOS supports the Intel CPU Using Setup When starting up the computer press lt Deb during the Power On Self Test Uaa TENTER TAB POST to enter the BIOS setup utility oF Re ta In the BIOS setup utility you will se AEEA Gene al Help description at the top right a ee Slc configure ayatem Time General Help corner and this is providing a brief desciption of the selected item Navigation Keys for that particular menu Navigation Keys are at the bottom right corner and you can 7 Ph ee use these keys to select item and change Select Dtem
29. tive Select Screen Select Item Change Option General Help Save and Exit Exit Vxx xx C Cop CPU Smart Fan Thisitem allows you to control the CPU S mart Fan function Options Disabled default Auto Smart Fan Calibration Choose this item and then the BIOS will auto test and detect the CPU System fan functions and show CPU System fan speed Control Mode Thisitem provides several operation modes of the fan Options Quiet Performance Manual 13 H55 HD BIOS Manual Fan Ctrl OFF C If the CPU S ystem Temperature is lower than the set value FAN will turn off Options 0 127 C Interval 1 C Fan Ctrl On C CPU System fin starts to work under smart fan function when arrive this set value Options 0 127 C Interval 1 C Fan Ctrl Start Value When CPU System temperature arrives to the set value the CPU System fan will work under Smart Fan Function mode Options 0 127 Interval 1 Fan Ctrl Sersitive Increasing the value will raise the speed of CPU System fan Options 1 127 Interval 1 Power Configuration Advanced BIOS SETUP UTILITY ACPI Settings Suspend mode Roos Repost Video on S3 Resume NO ACPI Version Features ACPI v1 0 ACPI APIC support Enabled AMI OEMB table Enabled Headless mode Disabled APIC ACPI SCI IRQ Disabled USB Device Wakeup From S3 S4 Disabled High Perform Event Timer Di ai Hime a gpeg oe Pvent Timer Bisabied Select sereen Resum
30. to C2 C3 C4 Options Enabled Default Disabled C State package limit setting The selected option will program into C State package limit register Options Auto Default C1 C3 C6 C7 38 H55 HD BIOS Manual C3 State Thisitem allows you to select Nehalem C state action Options ACPI C2 Default ACPI C3 Disabled C6 State Thisitem allows you to select Nehalem C state action Options Enabled Default Disabled C1 Auto Demotion When enabled CPU will conditionally demote C3 C6 C7 requests to C1 based on uncore auto demote infrmation Options Enabled Default Disabled C3 Auto Demotion When enabled CPU will conditionally demote C6 C7 requests to C3 based on uncore auto demote inbrmation Options Enabled Default Disabled 39 H55 HD BIOS Manual 7 Exit Menu This menu allows you to load the optimal default settings and save or discard the changes to the BIOS items BIOS SETUP UTILITY Main Advan ced PCIPnP Boot Chipset Performance Exi Exit Options Exit system setup E after saving the changes Discard Changes and Exit Discard Changs F10 key can be used for this operati Load Optimal Defaults gt Security R Select Screen Select Item EnterGo to Sub Scree F1 General Help F10 Save and Exit vxx xx C Copyright 1985 200x American Meg Save Changes and Exit Save all configuration changes to CMOS RAM and exit setup Discard Changes and Exit Abandon all changes made
31. to view configurations but will not be able to change them Clear User Passw ord Thisitem is for clearing user password 41 H55 HD BIOS Manual Passw ord Check Thisitem is for setting the timing that checking password Options Setup Default Always Boot Sector Virus Protection This option allows you to choose the VIRUS W aning feature that is used to protect the IDE Hard Disk boot sector If this function is enabled and an attempt is made to write to the boot sector BIOS will display a warning message on the screen and sound an alarm beep Options Disabled Default Enabled 42
32. unction SuperIO Configuration Hardware Health Configuration Smart Fan Configuration ACPI Configuration Onboard PCI PCI E Devices Configuration Intel VT d Configuration Select Screen MPS Configuration Select Item PCI Express Configuration EnterGo to Sub Scree Smbios Configuration F1 General Help USB Configuration F10 Save and Exit ES Exit VM UNVAN NV NN vxx xx C Copyrig i egatrends Inc CPU Configuration Thisitem shows the CPU information that the BIOS automatically detects BIOS SETUP UTILITY Configure advanced CPU settings 5 d Module Version 01 04 eae peli pera paced disable the Enhanced M fact Intel CPU anufacturer Inte Halt State Frequency BCLK Speed Cache L1 Cache L2 Cache L3 Ratio Status Ratio Actual Value Select Screen Select Item Adjacent Cache Line Prefetch Enabled Change Option Max CPUID Value Limit Disabled F1 General Help Intel R Virtualization Tech Enabled Save and Exit CPU TM function Enabled Exit Execute Disable Bit Capability Enabled Hardware Prefetcher Enabled vxx xx C Copyright 1985 200x American Megatrends Inc H55 HD BIOS Manual C1E Support CIE is Enhanced Hat State function this finction helps to save power and decrease heat by lowering CPU frequency while the processor is not working Options Enabled Default Disabled Hardware Prefetcher The processor has a hardware prefetcher that automatically analy zes its r
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