Asus A7VL-VM User Manual download pdf (Page 52)

ASUS A7VL-VM User’s Manual52

4. BIOS SETUP

Advanced Menu

DRAM Frequency

This field determines whether the memory clock frequency is set to be in synchro-

nous or asynchronous mode with respect to the CPU Frequency. This must be set

in conjunction with CPU (external) Frequency to match the speed of your SDRAM.

When you press <Enter> on this field, the first available option in the pop-up menu

equals the CPU Frequency you select for the previous field, and the second avail-

able option is the CPU Frequency multiplied by 4/3. To maintain and ensure system

stability, DRAM Frequency is set to [100 MHz] when the BIOS setup default set-

tings are loaded/selected.

System Performance [Normal]

This field adjusts the overall system performance of data processing. The start-up

setting is [Normal]. It may be changed to [Optimal] if the user needs to increase the

efficiency of data cache processes and throughputs in the system controller. Con-

figuration options: [Normal] [Optimal]

CPU Level 1 Cache, CPU Level 2 Cache [Enabled]

These field lets you choose from the default of [Enabled] or choose [Disabled] to

turn on or off the CPU’s Level 1 and Level 2 built-in cache. Configuration options:

[Disabled] [Enabled]

CPU Level 2 Cache ECC Check [Disabled]

This function controls the ECC capability in the CPU level 2 cache. Configuration

options: [Disabled] [Enabled]

BIOS Update [Enabled]

This functions as an update loader integrated into the BIOS to supply the processor

with the required data. In the default position of [Enabled], the BIOS will load the

update on all processors during system bootup. Configuration options: [Disabled]

[Enabled]

PS/2 Mouse Function Control [Auto]

The default of [Auto] allows the system to detect a PS/2 mouse on startup. If de-

tected, IRQ12 will be used for the PS/2 mouse. IRQ12 will be reserved for expan-

sion cards only if a PS/2 mouse is not detected. [Enabled] will always reserve IRQ12,

whether on startup a PS/2 mouse is detected or not. Configuration options: [En-

abled] [Auto]

USB Legacy Support [Auto]

This motherboard supports Universal Serial Bus (USB) devices. The default of [Auto]

allows the system to detect a USB device on startup. If detected, the USB controller

will be enabled. If not detected, the USB controller will be disabled. When this field

is set to [Disabled], the USB controller is disabled no matter whether you are using

a USB device or not. Configuration options: [Disabled] [Enabled] [Auto]

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Asus A7VL-VM User Manual Page 52