Biostar A75MG Manual de usuario
A75MG UEFI BIOS Manual
i
UEFI BIOS Setup...................................................................................... 1
1 Main Menu ............................................................................................. 3
2 Advanced Menu...................................................................................... 4
3 Chipset Menu ....................................................................................... 17
4 Boot Menu............................................................................................. 24
5 Security Menu ...................................................................................... 26
6 Performance Menu .............................................................................. 27
7 Exit Menu ............................................................................................. 35
A75MG UEFI BIOS Manual
1
UEFI BIOS Setup
Introduction
The purpose of this manual is to describe the settings in the AMI UEFI BIOS Setup
program on this motherboard. The Setup program allows users to modify the basic
system configuration and save these settings to NVRAM.
UEFI 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 virus and password protection or chipset fine-tuning options 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 Green PC specification.
ACPI Support
AMI ACPI UEFI BIOS support Version 1.0/2.0 of Advanced Configuration and
Power interface 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.
PCI Bus Support
This AMI UEFI BIOS also supports Version 2.3 of the Intel PCI (Peripheral
Component Interconnect) local bus specification.
DRAM Support
DDR3 SDRAM (Double Data Rate III Synchronous DRAM) is supported.
A75MG UEFI BIOS Manual
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Supported CPUs
This AMI UEFI BIOS supports AMD CPU.
Using Setup
When starting up the computer, press <Del> 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 corner,
and this is providing a brief description of the
selected item. Navigation Keys for that particular
menu are at the bottom right corner, and you can
use these keys to select item and change the
settings.
Notice
The default UEFI BIOS settings apply for most conditions to ensure optimum
performance 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 UEFI BIOS firmware is being continuously
updated. The UEFI BIOS information described in this manual is for your
reference only. The actual UEFI 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.
A75MG UEFI BIOS Manual
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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.
Total Memory
Shows system memory size, VGA shard memory will be excluded.
System Date
Set the system date. Note that the ‘Day’ automatically changes when you set the
date.
System Time
Set the system internal clock.
A75MG UEFI BIOS Manual
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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
to malfunction.
PCI Subsystem Settings
A75MG UEFI BIOS Manual
5
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 (Default) / EFI Compatible ROM
PCI Latency Timer
This item sets the value to be programmed into PCI Latency Timer Register.
Options: 32 PCI Bus Clocks (Default) / 64 PCI Bus Clocks / 96 PCI Bus Clocks
/ 128 PCI Bus Clocks / 160 PCI Bus Clocks / 192 PCI Bus Clocks / 224 PCI Bus
Clocks / 248 PCI Bus Clocks
VGA Palette Snoop
This item enables or disables VGA Palette Registers Snooping.
Options: Disabled (Default) / Enabled
PCI Express Settings
No Snoop
This item enables or disables PCI Express Device No Snoop option.
Options: Enabled (Default) / Disabled
A75MG UEFI BIOS Manual
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Maximum Payload
This item sets Maximum Payload of PCI Express Device or allows System BIOS to
select the value.
Options: Auto (Default) / 128 Bytes / 256 Bytes / 512 Bytes / 1024 Bytes / 2048
Bytes / 4096 Bytes
Maximum Read Request
This item sets Maximum Read Request Size of PCI Express Device or allows
System BIOS to select the value.
Options: Auto (Default) / 128 Bytes / 256 Bytes / 512 Bytes / 1024 Bytes / 2048
Bytes / 4096 Bytes
ASPM Support
This item sets the ASPM Level: Force LO – Force all links to LO State; Auto –
BIOS auto configures; Disabled – Disables ASPM.
Options: Disabled (Default) / Auto / Force L0s
ACPI Settings/WakeUp Event control
ACPI Sleep State
This item selects the highest ACPI sleep state the system will enter when the
SUSPEND button is pressed.
Options: S3 (Suspend to RAM) (Default) / Suspend Disabled
A75MG UEFI BIOS Manual
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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 system will meet EuP requirement.
Options: Disabled (Default) / Enabled
PME Wake up from S5
The item enables the system to wake from S5 using PME event.
Options: Disabled (Default) / Enabled
Wake system with Fixed Time
This item enables or disables the system to wake on by alarm event. When this item
is enabled, the system will wake on the hr::min::sec specified.
Options: Disabled (Default) / Enabled
Wake up date
You can choose which date the system will boot up.
Wake up hour / Wake up minute / Wake up second
You can choose the system boot up time, input hour, minute and second to specify.
Ring-In Wake up from S5
This item enables the system to wake from S5 using Ring-In event.
Options: Disabled (Default) / Enabled
PS2 Keyboard PowerOn
This item allows you to control the keyboard power on function.
Options: Disabled (Default) / Any Key / Stroke Key / Specific Key
A75MG UEFI BIOS Manual
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Stroke Keys Selected
This item will show only when Keyboard PowerOn is set “Stroke Key.”
Options: Wake Key (Default) / Power Key / Ctrl+F1 / Ctrl+F2 / Ctrl+F3 /
Ctrl +F4 / Ctrl+F5 / Ctrl+F6
Specific Key Enter
This item will show only when Keyboard PowerOn is set “Specific Key.” Press
Enter to set Specific key.
PS2 Mouse PowerOn
This item 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 USB resume from S3/S4 function.
Options: Disabled (Default) / Enabled
CPU Configuration
A75MG UEFI BIOS Manual
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Limit CPUID Maximum
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 recognizes. This
determines the kind of basic information CPUID can provide the operating system.
Options: Disabled (Default) / Enabled
C6 Mode
This item allows you to enable or disable C6.
Options: Enabled (Default) / Disabled
CPB Mode
This item allows you to enable or disable CPB.
Options: Auto (Default) / Disabled
AMD PowerNow function
This item allows you to enable or disable the PowerNow power saving technology.
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 (guest) on the same physical hardware by decoupling
OS and physical hardware with the hypervisor layer.
Options: Enabled (Default) / Disabled
HTC temperature limit
This item allows you to set HTC temperature limit. Range: 70℃ - 95℃
Options: 80℃(Default)
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