Asus P3C-D User Manual download pdf (Page 66)

ASUS P3C-L / P3C-S / P3C-LS User’s Manual66

4. BIOS SETUP

4.4 Advanced Menu

CPU Internal Frequency [Manual]

This field allows you to select the internal speed of your CPU. Once a spe-

cific CPU internal frequency is selected, the correct values will be filled in

for the subsequent three fields. Set to [Manual] if you want to make changes

to the subsequent three fields. Configuration options: [Manual] [300MHz]

[350MHz]...[800MHz] [866MHz]

CPU Frequency Multiple

(when CPU Internal Frequency is set to [Manual])

This field is for unlocked processors only. If your processor’s Frequency

Multiple is locked, setting the Frequency Multiple here will have no effect.

This field sets the frequency multiple between the CPU’s internal frequency

and external frequency. This must be set in conjunction with CPU Bus Fre-

quency to match the speed of your CPU. Configuration options: [2.0x] [2.5x]

[3.0x]...[7.0x] [7.5x] [8.0x]

CPU/PCI Freq. Ratio

(when CPU Internal Frequency is set to [Manual])

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

synchronous or asynchronous mode with respect to the CPU Bus Frequency.

Each of the two memory data transfer methods leads to a set of 15 CPU Bus

Frequency selections. Configuration options: [3/1] [4/1]

CPU External (FSB) Freq. (MHz)

(when CPU Internal Frequency is set to [Manual])

This feature tells the clock generator what frequency to send to the CPU, DRAM,

and chipset. The bus frequency (external frequency) multiplied by the bus mul-

tiple equals the CPU’s internal frequency (the CPU internal frequency). The

configuration options vary depending on the CPU/PCI Frequency Ratio.

Advanced Menu

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Asus P3C-D User Manual Page 66