Asus X900-PI4 User Manual download pdf (Page 57)

ASUS P4T User’s Manual 57

4. BIOS SETUP

Advanced Menu

RDRAM Frequency (MHz) [Auto]

This feature tells the clock generator what frequency to send to the RDRAM. The

default setting [Auto] seeks to balance optimal performance with stability. The other

options displayed in the popup menu vary according to the CPU External Fre-

quency. NOTE: This field will not appear when [Turbo mode] is enabled.

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

These fields allow you to 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 op-

tions: [Disabled] [Enabled]

CPU Level 2 Cache ECC Check [Enabled]

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

options: [Disabled] [Enabled]

CPU Fast String [Enabled]

When set to [Enabled], the CPU has direct access to the memory. Leave on default

setting for best performance. Configuration options: [Disabled] [Enabled]

FPU OPCODE Compatible Mode [Disabled]

Leave on default setting for optimized performance of Pentium 4 processor. Con-

figuration 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]

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Asus X900-PI4 User Manual Page 57