Biostar A770 A2G PLUS - BIOS Manual
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Biostar A770 A2G PLUS - BIOS Manual

Biostar A770 A2G PLUS - BIOS Manual

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Download this manual See also: Setup Manual
A770 A2G+ BIOS M anual
BIOS Setup .................................................................................................1
1 Main Menu...............................................................................................3
2 Advanced Menu.......................................................................................7
3 PCIPnP Menu........................................................................................17
4 Boot Menu..............................................................................................20
5 Chipset Menu.........................................................................................22
6 Performance Menu...............................................................................33
7 Exit Menu...............................................................................................35
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Summary of Contents for Biostar A770 A2G PLUS - BIOS

  • Page 1 A770 A2G+ BIOS M anual BIOS Setup ....................1 1 Main Menu....................3 2 Advanced Menu..................7 3 PCIPnP Menu..................17 4 Boot Menu....................20 5 Chipset Menu..................22 6 Performance Menu................33 7 Exit Menu....................35...

  • Page 2: Bios Setup

    A770 A2G+ BIOS M anual BIOS Setup Introduction T he 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. T he power of CMOS RAM is supplied by a battery so that it retains the Setup information when the power is turned off.

  • Page 3: Pci Bus Support

    A770 A2G+ BIOS M anual PCI Bus Support T his AMI BIOS also supports Version 2.3 of the Intel PCI (Peripheral Component Interconn ect) local bus speci fication. DRAM S upport DDR2 SDRAM (Double Data Rate II Synchronous DRAM) is supported. Supported CP Us T his AMI BIOS supports the AMD CPU .

  • Page 4: System Memory

    A770 A2G+ BIOS M anual 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 S ETUP UTILITY Main Advanced PCIPnP Boot Chips et Performa nce Exit...

  • Page 5: Ide Configuration

    A770 A2G+ BIOS M anual Floppy A Select the type of floppy disk drive installed in your system. Options: 360K, 5.25 in / 1.2M, 5.25 in / 720K, 3.5 in / 1.44M, 3.5 in / 2.88M, 3.5 in / None IDE Configuration T he BIOS will automatically detect the presence of ID E/SAT A devices.
  • Page 6 A770 A2G+ BIOS M anual Primary IDE Master/Slav e ; SATA 1/2/3/4/5/6 Dev ice BIOS SETUP UTILITY Main Primary IDE Master Select the type of device connected Device to the system. Type [Auto] LBA/Large Mode [Auto] Block (Multi-Sector Transfer)[Auto] PIO Mode [Auto] DMA Mode [Auto]...

  • Page 7: Hard Disk Write Protect

    A770 A2G+ BIOS M anual 32Bit Data Transfer Enable or disable 32-bit data transfer. Options: Enabled (Default) / Disabled Hard Disk Write Protect Disable or enable device write protection. T his will be effective only if the device is accessed through BIOS. Options: Disabled (Default) / Enabled IDE Detect Time Out (Sec)

  • Page 8: Advanced Menu

    A770 A2G+ BIOS M anual 2 Advanced Menu T he Advanced Menu allows you to configu re 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 to malfunction.

  • Page 9: Hyper Transport Configuration

    A770 A2G+ BIOS M anual Secure Virtual Machine Mode Virtualization T echnology can virtually separate your system resou rce into several parts, thus enhance the performance when running virtual machines or multi interf ace systems. Options: Enabled (Default) / Disabled PowerNow T his item allows you to enable or disable the PowerNow power saving technology.

  • Page 10: Super Io Configuration

    A770 A2G+ BIOS M anual HT Link Width T his item allows you to determine the data width of Hyper T ransport. Options: Auto (Default) / 4 Bit / 8 Bit / 16 Bit SuperIO Configuration BIOS SETU P U TILITY Advan ced Configure ITE8 718 Super IO Chipse t Allows BIOS to Enable...
  • Page 11 A770 A2G+ BIOS M anual Parallel Port Mode T his item allows you to determine how the parallel port should function. Options: Normal (Default) Using Parallel port as Standard Printer Port. Using Parallel Port as Enhanced Parallel Port. Using Parallel port as Extended Capabilities Port. ECP+EPP Using Parallel port as ECP &...

  • Page 12: Smart Fan Configuration

    A770 A2G+ BIOS M anual Restore on AC Power Loss T his setting specifies how your system should behave after a power fail or interrupts occurs. By choosing Disabled will leave the computer in the power off state. Choosing Enabled will restore the system to the status before power failure or interrupt occurs.

  • Page 13: Hardware Health Configuration

    A770 A2G+ BIOS M anual Fan Ctrl OFF(℃ ) If the CPU/System T emperature is lower than the set value, FAN will turn off. 0~127 (℃) Options: Fan Ctrl On(℃ ) CPU/System f an starts to work under smart fan function when arrive this set value. 0~127 (℃) Options: Fan Ctrl Start Value...

  • Page 14: Power Configuration

    A770 A2G+ BIOS M anual H/W Health Function If you computer contains a monitoring system, it will show PC health status during POST stage. Options: Enabled (Default) / Disabled Shutdow n Temperature T his item allows you to set up the CPU shutdown T emperature. This item is only effective under Windows 98 ACPI mode.
  • Page 15 A770 A2G+ BIOS M anual ACPI Version Features T he item allows you to select the version of ACPI. Options: ACPI v1.0 (Default) / ACPI v2.0 / ACPI v3.0 ACPI APIC support T his item is used to enable or disable the motherboard's APIC (Advan ced Programmable Interrupt Controller).

  • Page 16: Usb Configuration

    A770 A2G+ BIOS M anual USB Wakeup from S3/S4 T his item allows you to enable or disabled the USB resume from S3/S4 function. Options: Disabled (Default) / Enabled Power On by LAN T his item allows you control the wake on LAN (WOL) function. Options: Disabled (Default) / Enabled Wake On Ring...
  • Page 17 A770 A2G+ BIOS M anual USB 2.0 Controller Mode T his item allows you to select the operation mode of the USB 2.0 controller. Options: HiSpeed (Default) USB 2.0-480Mbps FullSpeed USB 1.1-12Mbps BIOS EHCI Hand-Off T his item allows you to enable support for op erating systems without an EHCI hand-o ff feature.

  • Page 18: Pcipnp Menu

    A770 A2G+ BIOS M anual 3 PCIPnP Menu T his section describes con figuring the PCI bus system. PCI, or Personal Computer Interconn ect, is a system which allows I/O devices to operate at speeds nearing the speed o f the CPU itself uses when communicating with its own special components. Notice Beware of that setting inappropriate values in items of this menu may cause system to malfunction.

  • Page 19: Pci Latency Timer

    A770 A2G+ BIOS M anual PCI Latency Timer T his item controls how long a PCI device can hold the PCI bus bef ore another takes over. T he longer the latency, the longer the PCI device can retain control of the bus before handing it over to another PCI device.

  • Page 20: Reserved Memory Size

    A770 A2G+ BIOS M anual IRQ3/4/5/7/9/10/11/14/15 T hese items will allow you to assign each system interrupt a type, depending on the type of device using the interrupt. T he option “Available” means the IRQ is going to assign automatically. Options: Available (Default) / Reserved DMA Channel 0/1/3/5/6/7...

  • Page 21: Boot Device Priority

    A770 A2G+ BIOS M anual 4 Boot Menu T his menu allows you to setup the system boot options. BIOS S ETUP UTILITY Main Advanced PCIPnP Boot Chips et Performa nce Exit Boot Settings Conf iguration Spec ifies the Boot Device Prio rity sequenc e.
  • Page 22 A770 A2G+ BIOS M anual CD/DV D Drives T he BIOS will attempt to arrange the CD/DVD drive boot sequence 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. Options: Pri.

  • Page 23: Chipset Menu

    A770 A2G+ BIOS M anual 5 Chipset Menu T his submenu allows you to configure the speci fic features of the chipset installed on your system. T his chipset manage bus speeds and access to system memory resources, such as DRAM. It also coordinates communications with the PCI bus. BIOS S ETUP UTILITY Main Advanced...

  • Page 24: Memory Configuration

    A770 A2G+ BIOS M anual Memory Configuration BIOS S ETUP UTILITY Chips et Memor y Configurati on Enab le Bank Memo ry Inte rleaving Bank Interleaving [ Auto] Chann el Interleavi ng [ XOR of Addre ss bit] Enabl e Clock to Al l DIMMs [ Disabled] MemCl k Tristate C3 /ATLVID [ Disabled]...

  • Page 25: Ecc Configuration

    A770 A2G+ BIOS M anual DCT Unganged Mode T his item controls the DRAM controller ganged (128bit*1) / unganged (64bit*2) dual-chann el operation mode. If two DRAM modules with different size are installed, using unganged mode can still make it run in dual-channel operation. Options: Always (Default) / Auto Power Down Enable...

  • Page 26: Dram Timing Configuration

    A770 A2G+ BIOS M anual DRAM SCRUB REDIRECT Options: Disabled (Default) / Enabled 4-Bit ECC Mode Options: Disabled (Default) / Enabled DRAM BG Scrub/Data Cache BG Scrub/L2 Cache BG Scrub/L3 Cache BG Scrub Options: Disabled (Default) / 40ns / 80ns / 160ns / 320ns / 640ns / 1.28us / 2.56 us / 5.12us / 10.2us / 20.5us / 41.0us / 81.9us/ 163.8us / 327.7us / 655.4us / 1.31ms/ 2.62ms / 5.24ms / 10.49ms / 20.97ms / 42.00ms / 84.00ms DRAM Timing Configuration...
  • Page 27 A770 A2G+ BIOS M anual CAS Latency (CL) Options: Auto (Default) / 3~6 CLK / 7CLK DH_Only 2T Command Options: Auto (Default) / 1T / 2T TRCD Options: Auto (Default) / 3~6 CLK Options: Auto (Default) / 3~6 CLK tRTP Options: Auto (Default) / 2-4 CLK / 3-5 CLK TRAS...

  • Page 28: Southbridge Configuration

    A770 A2G+ BIOS M anual SouthBridge Configuration BIOS S ETUP UTILITY Chips et South Bridge Chipse t Configurat ion Opti ons for SB H D Azal SB700 CIMx Verison : 3.1.0 > SB Azalia Audio Configuratio n OHCI HC(Bus 0 Dev 18 Fn o) [ Enabled] OHCI HC(Bus 0 Dev 18 Fn 1) [ Enabled]...
  • Page 29 A770 A2G+ BIOS M anual EHCI HC(Bus 0 Dev 18/19 Fn 2) Options: Enabled (Default) / Disabled OnChip SATA Channel T his option allows you to enable the on-chip Serial AT A. Options: Enabled (Default) / Disabled OnChip SATA Type T his option allows you to select the on-chip Serial AT A operation mode.
  • Page 30 A770 A2G+ BIOS M anual RX780 Configuration BIOS S ETUP UTILITY Chips et RX780 Configuratio n PCI Express Conf igurat > PCI Express Conf iguration Prima ry Video Cont roller [ PCIE-GFX0-GF X2-GPP] S elect Screen S elect Item G o to Sub Scr een En ter G eneral Help F1 0...
  • Page 31 A770 A2G+ BIOS M anual Peer-to-P eer Among GFX/GFX2 Options: Disabled (Default) / Enabled GPP Slots Power Limit, W Options: 25 (Default) / 0-255 Port #02/04/05/06/07 Features BIOS S ETUP UTILITY Chips et Gen2 High Speed Mo de [ Disabled] Auto - RC only Link ASPM [ Disabled]...

  • Page 32: Primary Video Controller

    A770 A2G+ BIOS M anual NB-SB Port Features BIOS SETU P U TILITY Chipset NB-SB Link ASP M [Dis abled] Options NP NB-SB VC1 T raffic Support [Dis abled] Disabled S elect Screen S elect Item C hange Option G eneral Help S ave and Exit E xit vxx .xx (C)Copyright 1985-200x, American Me gatrends, Inc.

  • Page 33: Onboard Peripherals Configuration

    A770 A2G+ BIOS M anual OnBoard Peripherals Configuration BIOS SETU P U TILITY Chipset MAC ID Informa tion Enable/Disable Realtek PCIE N IC [Ena ble] Onboard Broadcom Realtek Optio n ROM [Dis abled] PCIE Network Controller S elect Screen S elect Item C hange Option G eneral Help S ave and Exit...

  • Page 34: Performance Menu

    A770 A2G+ BIOS M anual 6 Performance Menu T his submenu allows you to change voltage and clock of various devices. (Howev er, we suggest you use the default 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 to malfunction.

  • Page 35: Cpu Frequency

    A770 A2G+ BIOS M anual HT Over Voltage T his item allows you to change Vtt voltage value. Options: 1.20V (Default) / 1.25V / 1.30V / 1.35V CPU Frequency T his item allows you to select the CPU Over Clock. Options: 200 (MHz) (Default) / 200-600...

  • Page 36: Save Changes And Exit

    A770 A2G+ BIOS M anual 7 Exit Menu T his menu allows you to load the optimal default settings, and save or discard the changes to the BIOS items. BIOS S ETUP UTILITY Main Advanced PCIPnP Boot Chips et Perfo rmance Exit Exit Options Exit system setu p...

  • Page 37: Change Supervisor Password

    A770 A2G+ BIOS M anual Security T his sub-menu allows you to provide/revise supervisor and user password. BIOS SETU P U TILITY Exit Security Setti ngs Install or Change the password. Supervisor Pas sword :Not Installe d User Password :Not Installe d Change Supervi sor Password User Access Le vel [Ful l Access]...
  • Page 38 A770 A2G+ BIOS M anual Passw ord Check T his item is for setting the timing that checking password. Options: Setup (Default) / Always Boot Sector Virus Protection T his option allows you to choose the VIRUS Warning feature that is used to protect the IDE H ard Disk boot sector.

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