Biostar A75MH Bios Setup
Biostar A75MH Manual
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- Biostar A75MH | Bios Setup - Page 1
A75MH / A55MH UEFI BIOS Manual UEFI BIOS Setup 1 1 Main Menu 3 2 Advanced Menu 4 3 Chipset Menu 17 4 Boot Menu 25 5 Security Menu 27 6 Performance Menu 28 7 Exit Menu 36 i - Biostar A75MH | Bios Setup - Page 2
are also included in UEFI BIOS. The rest of this manual will to guide you through the options and settings in UEFI BIOS Setup. Plug and Play Support This AMI UEFI BIOS supports the Plug and Play Version 1.0A specification. EPA Green PC Support This AMI UEFI BIOS supports Version 1.03 of the EPA - Biostar A75MH | Bios Setup - Page 3
A75MH / A55MH UEFI BIOS Manual Supported CPUs This AMI UEFI BIOS supports AMD CPU. Using Setup When starting up the computer, press during the Power-On Self-Test (POST) to enter the UEFI BIOS setup utility. In the UEFI BIOS setup utility, you will see General Help description at the top right - Biostar A75MH | Bios Setup - Page 4
A75MH / A55MH UEFI BIOS Manual 1 Main Menu Once you enter AMI UEFI BIOS Setup Utility, the Main Menu will appear on the screen providing an overview of the basic system information. BIOS Information Shows system information including UEFI BIOS version, Project Code, Model Name, Build Date, etc. - Biostar A75MH | Bios Setup - Page 5
A75MH / A55MH UEFI 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 z Beware of that setting inappropriate values in items of this menu may cause system to malfunction. PCI Subsystem Settings 4 - Biostar A75MH | Bios Setup - Page 6
A75MH / A55MH UEFI BIOS Manual PCI ROM Priority In case of multiple option ROMs (Legacy and EFI Compatible), this item specifies what PCI Option ROM to launch Options: Legacy ROM ( - Biostar A75MH | Bios Setup - Page 7
A75MH / A55MH UEFI BIOS Manual Maximum Payload This item sets Maximum Payload of PCI Express Device or allows System BIOS to select the value. System BIOS to select the value. Options: Auto (Default) / 128 Bytes / 256 Bytes / 512 Bytes / 1024 Bytes / 2048 Bytes / 4096 Bytes ASPM Support This - Biostar A75MH | Bios Setup - Page 8
A75MH / A55MH UEFI BIOS Manual S3 Video Repost This item allows you to enable or disable S3 Video Repost. Options: Disabled (Default) / Enabled EuP Control When EuP is enabled, the - Biostar A75MH | Bios Setup - Page 9
A75MH / A55MH UEFI BIOS Manual Stroke Keys Selected This item will show only when Keyboard PowerOn is set "Stroke Key." Options: Wake allows you to control the mouse power on function. Options: Disabled (Default) / Enabled USB Device Wakeup from S3/S4 This item allows you to enable or disabled the - Biostar A75MH | Bios Setup - Page 10
A75MH / A55MH UEFI BIOS Manual Limit CPUID Maximum When the computer is booted up, the operating system executes the CPUID instruction to identify Options: Enabled (Default) / Disabled SVM This item allows you to enable AMD virtualization in CPU. This secure virtual mode will let your run multiple OS - Biostar A75MH | Bios Setup - Page 11
A75MH / A55MH UEFI BIOS Manual CPU Information This item shows CPU Information SATA Configuration The BIOS will automatically detect the presence of SATA devices. There is a sub-menu for each SATA device. Select a device and press to enter the sub-menu for detailed options. . 10 - Biostar A75MH | Bios Setup - Page 12
A75MH / A55MH UEFI BIOS Manual SMART FAN Control CPU Smart FAN This item allows you to CPU FAN. Control Mode This item provides several operation modes of the fan. Options: Quiet / Aggressive / Manual Fan Ctrl OFF(℃) When CPU temperature is lower than this value, the CPU fan will keep lowest RPM - Biostar A75MH | Bios Setup - Page 13
A75MH / A55MH UEFI BIOS Manual Fan Ctrl Start Value This item sets CPU FAN Start Speed Value. Options: 50 (Default) Fan Ctrl Sensitive The bigger the numeral is, the higher the FAN speed is. Options: 30 (Default) USB Configuration Legacy USB Support This item determines if the BIOS should provide - Biostar A75MH | Bios Setup - Page 14
A75MH / A55MH UEFI BIOS Manual EHCI Hand-Off This is a workaround for OSes without EHCI hand-off support. The EHCI ownership change should be claimed by EHCI driver. Options: Disabled (Default) / Enabled USB FLASH DRIVE PMAP This items shows when user inserts USB drive. Options: Auto (Default) / - Biostar A75MH | Bios Setup - Page 15
A75MH / A55MH UEFI BIOS Manual Serial Port 1 Configuration Serial Port This item enables or disables Serial Port (COM). Options: Enabled (Default) / Disabled Change Settings This item selects an optimal setting - Biostar A75MH | Bios Setup - Page 16
A75MH / A55MH UEFI BIOS Manual Change Settings This item allows you to select an optimal setting for Super IO device. Options: Auto (Default) / IO=378h; IRQ=5 / IO=378h; IRQ=5, 6, 7, 9, 10, - Biostar A75MH | Bios Setup - Page 17
A75MH / A55MH UEFI BIOS Manual H/W Monitor Shutdown Temperature This item allows you to set up the CPU shutdown Temperature. Options: Disabled (Default) / 70℃/158℉ / 75℃/167℉ / 80℃/176℉ / 85℃/185℉ / 90℃/194℉ 16 - Biostar A75MH | Bios Setup - Page 18
A75MH / A55MH UEFI BIOS Manual 3 Chipset Menu This section describes configuring the PCI bus system. PCI, or Personal Computer Interconnect, is a system which allows I/O devices to operate at speeds nearing - Biostar A75MH | Bios Setup - Page 19
A75MH / A55MH UEFI BIOS Manual Launch PXE OpROM This item enables/disables Boot Option for Legacy Network Devices. Options: North Bridge Primary Video Device This item allows you to select Primary Video Device that BIOS will use to for output. Options: IGD Video (Default) / NB PCIe slot Video 18 - Biostar A75MH | Bios Setup - Page 20
A75MH / A55MH UEFI BIOS Manual GFX Configuation PSPP Policy This item allows you to set PCIe speed power policy. Options: Balanced-High (Default) / remapping of the overlapped PCI memory above the total physical memory. Only 64-bit OS supports this function. Options: Enabled (Default) / Disabled 19 - Biostar A75MH | Bios Setup - Page 21
A75MH / A55MH UEFI BIOS Manual Bank Interleaving Bank Interleaving is an advanced chipset technique used to improve memory performance. Memory interleaving increases bandwidth by allowing simultaneous access to more than - Biostar A75MH | Bios Setup - Page 22
A75MH / A55MH UEFI BIOS Manual SB SAT A Configuration S OnChip SATA Channel This option allows you to enable the on-chip Serial ATA. Options: Enabled (Default) / Disabled OnChip SATA Type This - Biostar A75MH | Bios Setup - Page 23
/ A55MH UEFI BIOS Manual SB USB Configuration XHCI Switch (Only for A75MH) This item allows you to switch XHCI Options: Enabled (Default) / Disabled OHCI HC (Bus 0 Dev 18/19/20 Fn 0/5) This item allows you to control OHCI host controller. (USB 1.1 Device) Options: Enabled (Default) / Disabled EHCI - Biostar A75MH | Bios Setup - Page 24
A75MH / A55MH UEFI BIOS Manual SB GPP Port Configuration GPP Link ASPM Options: Disabled (Default) / L0s / L1 / L0s+L1 GPP Gen2/ UMI Gen2 Options: Enabled (Default) / Disabled GPP HW Compliance - Biostar A75MH | Bios Setup - Page 25
A75MH / A55MH UEFI BIOS Manual HD Audi o Azalia Device This item allows you to control the HD audio device. Options: Enabled (Default) / Auto / Disabled 24 - Biostar A75MH | Bios Setup - Page 26
A75MH / A55MH UEFI BIOS Manual 4 Boot Menu This menu allows you to setup the system boot options. Setup Prompt Timeout . Options: Enabled (Default) / Disabled BOOT SUCCESS BEEP When this item is set to Enabled, BIOS will let user know boot success with beep. Options: Enabled (Default) / Disabled 25 - Biostar A75MH | Bios Setup - Page 27
A75MH / A55MH UEFI BIOS Manual GateA20 Active Upon Request - FA20 can be disabled using BIOS services. Always - do not allow disabling GA20; this option is useful when sets the order of the legacy devices in this group. Hard Drive BBS Priorities This item sets the order of the legacy devices in this - Biostar A75MH | Bios Setup - Page 28
A75MH / A55MH UEFI BIOS Manual 5 Security Menu Administrator Password This item sets Administrator Password. User Password This item sets User Password. 27 - Biostar A75MH | Bios Setup - Page 29
A75MH / A55MH UEFI BIOS Manual 6 Performance Menu This submenu allows you to change voltage and clock of various devices. (However, we suggest This item allows user to adjust IGD clock. Options: Auto (Default) / Enabled IGD Clock This item allows BIOS to select IGD clock. Range: 300MHz-1200MHz 28 - Biostar A75MH | Bios Setup - Page 30
A75MH / A55MH UEFI BIOS Manual P-States Configuration Custom P-States This item tells BIOS whether to use the setup option below this to configure the P-States, or whether to configure the P-States automatically. Options: Disabled (Default) / Enabled Core FID - Biostar A75MH | Bios Setup - Page 31
A75MH / A55MH UEFI BIOS Manual Over-Voltage Configuration APU-Core Over Voltage This item allows you to select APU-Core Voltage Control. APU-NB Over Voltage This item allows you - Biostar A75MH | Bios Setup - Page 32
A75MH / A55MH UEFI BIOS Manual DRAM Timing Configuration MCT Timing Mode This item allows you to select the DRAM Frequency programming method. If Auto, the DRAM speed will be based on SPDs. If Limit, the DRAM speed will not exceed the specified value. If Manual, the DRAM speed specified will be - Biostar A75MH | Bios Setup - Page 33
A75MH / A55MH UEFI BIOS Manual TRCD Options: Auto (Default) / 5~12 CLK TRP Options: Auto (Default) / 5~12 CLK TRTP Options: Auto (Default) / 4~7 CLK TRAS Options: Auto (Default) / 15~30 CLK TRC - Biostar A75MH | Bios Setup - Page 34
A75MH / A55MH UEFI BIOS Manual TRDRD Options: Auto (Default) / 4~7 CLK TRFC0 / TRFC1 Options: Auto (Default) / 90ns / 110ns / 160ns / 300ns / 350ns MCT Configuration Bank Interleaving Bank Interleaving is an advanced chipset - Biostar A75MH | Bios Setup - Page 35
A75MH / A55MH UEFI BIOS Manual MemClk Tristate C3/ATLVID This physical memory. Only 64-bit OS supports this function. Options: Enabled (Default) / Disable Link Unganged Mode support This item controls the DRAM controller ganged . Options: Disable Link (Default) / Enabled BIOSTAR Memory Insight 34 - Biostar A75MH | Bios Setup - Page 36
A75MH / A55MH UEFI BIOS Manual DDR3_A1/B1 These items display SPD information of DDR3 memory. 35 - Biostar A75MH | Bios Setup - Page 37
A75MH / A55MH UEFI 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. Restore Defaults This selection allows you to reload the BIOS when problem occurs during system booting sequence. These configurations are factory
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A75MH / A55MH UEFI BIOS Manual
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UEFI BIOS Setup
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1 Main Menu
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2 Advanced Menu
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3 Chipset Menu
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4 Boot Menu
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5 Security Menu
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6 Performance Menu
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7 Exit Menu
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