Asrock 939S56-M 用户手册

2 6

BIOS SETUP UTILITY

ACPI Settings

Select auto-detect or
disable the STR
feature.

Select Screen
Select Item

Change Option

General Help

Load Defaults

F10

Save and Exit

ESC

Exit

Advanced

Suspend To RAM

Repost Video on STR Resume

Restore on AC / Power Loss
Ring-In Power On
PCI Devices Power On
PS / 2 Keyboard Power On
RTC Alarm Power On

[Auto]

[No]

[Power Off]
[Disabled]
[Disabled]
[Disabled]
[Disabled]

3.3.2

3.3.2 Chipset Configuration

Chipset Configuration

OnBoard AC97 Audio

Select [Auto] or [Disabled] for the onboard AC97 Audio feature.

OnBoard LAN

This allows you to enable or disable the onboard LAN feature.

Primary Graphics Adapter

This item will switch the PCI Bus scanning order while searching for video

card. It allows you to select the type of Primary VGA in case of multiple

video controllers.

HT Width

You may set the HyperTransport width as [8 Bit], [16 Bit], or [Auto]. The

default value is [Auto].

HT Speed

You may set the HyperTransport speed as [Auto], [200 MHz], [800 MHz], or

[1000 MHz]. The default value is [Auto].

DRAM Voltage

Use this to select DRAM voltage. Configuration options: [Auto], [High],

[Normal], and [Low]. The default value is [Auto].

3.3.3

3.3.3 ACPI Configuration

ACPI Configuration

BIOS SETUP UTILITY

Chipset Settings

OnBoard AC97 Audio

OnBoard LAN

Graphics Adapter

HT Width
HT Speed
DRAM Voltage

Primary

[Enabled]
[PCI]

[Auto]
[Auto]
[Auto]