Biostar A55MLV2 Manuel utilisateur

A55MLC2/A55MLV2/A55MGC UEFI BIOS Manual

UEFI BIOS Setup...................................................................................... 1

1 Main Menu ............................................................................................. 3

2 Advanced Menu...................................................................................... 4

3 Chipset Menu ....................................................................................... 14

4 Boot Menu............................................................................................. 21

5 Security Menu ...................................................................................... 23

6 Performance Menu .............................................................................. 24

7 Exit Menu ............................................................................................. 32

A55MLC2/A55MLV2/A55MGC UEFI BIOS Manual

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 sys tem controls most of the input and output devices s uch as keyboard,

mouse, serial ports and disk drives. BIOS activates at the first stage o f the booting

process, loading and executing the operating s ystem. Some additio nal features, s uch

as virus and pass word protection or chips et fine-tuning op tions are also inc luded 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 Vers ion 1.0A specification.

EPA Green PC Support

This AMI UEFI BIOS s upports Vers ion 1.03 of the EPA Green PC spec ification.

ACPI Support

AMI ACP I UEFI BIOS s uppo rt Versio n 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 s uppo rts 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.

A55MLC2/A55MLV2/A55MGC UEFI BIOS Manual

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 thes e keys to s elect item and change the

settings.

Notice

The default UEFI BIOS settings apply for most conditions to ens ure 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.

A55MLC2/A55MLV2/A55MGC 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.

Total Memor y

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 cloc k.

A55MLC2/A55MLV2/A55MGC 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

Beware of that setting inappropriate values in items of this menu may cause system

to malfunction.

PCI Su bs ystem Settings

A55MLC2/A55MLV2/A55MGC UEFI BIOS Manual

PCI ROM Priority

In case of multiple option ROMs (Legacy and EFI Compatible), this item spec ifies

what PCI Option ROM to launch

Options: Legacy ROM (Default) / EFI Compatible ROM

PCI Latency Timer

This item s ets 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 C locks / 224 PCI Bus

Clocks / 248 PCI Bus Cloc ks

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

A55MLC2/A55MLV2/A55MGC UEFI BIOS Manual

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 co nfigures; Disabled – Disables ASPM.

Options: Disabled (Default) / Auto / Force L0s

ACPI Settings/WakeUp Event control

EuP Control

When EuP is enabled, the system will meet EuP requirement.

Options: Dis abled (Default) / Enabled

PME Wake up from S5

The item enables the s ystem to wake from S5 using PME event.

Options: Disabled (Default) / Enabled

A55MLC2/A55MLV2/A55MGC UEFI BIOS Manual

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.

CPU Configuration

Limit CP UID Maximum

When the computer is booted up, the operating system executes the CPUID

instruction to identify the processor and its capabilities. Before it c an 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

A55MLC2/A55MLV2/A55MGC UEFI BIOS Manual

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)

CPU Information

This item shows CPU Information

A55MLC2/A55MLV2/A55MGC UEFI BIOS Manual

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 <Enter> to enter the

sub-menu for detailed options.

SMART FAN Control

CPU Smart FAN

This item allows you to control the CPU Smart Fan function.

Options: Disabled (Default) / Auto

Ce manuel convient aux modèles suivants

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