Asus P5Q-E User Manual download pdf (Page 86)

3-16 Chapter 3: BIOS setup

3.4.2 CPU Ratio Setting [Auto]

Allows you to adjust the ratio between CPU Core Clock and FSB Frequency. Use

the <+> and <-> keys to adjust the value.

Conguration options: [Auto] [06.0] [07.0] [08.0] [09.0]

The following two items appear only when you set the Ai Overclock Tuner item

to [Manual].

FSB Frequency [XXX]

Displays the frequency sent by the clock generator to the system bus and PCI bus.

The value of this item is auto-detected by the BIOS. Use the <+> and <-> keys to

adjust the FSB frequency. You can also type the desired CPU frequency using the

numeric keypad. The values range from 200 to 800. Refer to the table below for

the correct Front Side Bus and CPU External Frequency settings.

FSB/CPU External Frequency Synchronization

Front Side Bus FSB 1600 FSB 1333 FSB 1066 FSB 800

CPU External Frequency 400 MHz 333 MHz 266 MHz 200 MHz

PCIE Frequency [Auto]

Allows you to set the PCI Express frequency. Use the <+> and <-> keys to adjust

the PCIE frequency. The values range from 100 to 180.

3.4.3 FSB Strap to North Bridge [Auto]

When set to [Auto], the FSB Strap will be adjusted automatically by FSB

Frequency and DRAM Frequency.

Congifuration options: [Auto] [200 MHz] [266 MHz] [333 MHz] [400 MHz]

3.4.4 DRAM Frequency [Auto]

Allows you to set the DDR2 operating frequency.

Conguration options: [Auto] [DDR2-667 MHz] [DDR2-800 MHz] [DDR2-835MHz]

[DDR2-887 MHz] [DDR2-1002MHz] [DDR2-1066MHz] [DDR2-1111] [DDR2-

1335MHz]

The DRAM Frequency conguration options vary with the FSB Frequency

item settings.

Selecting a very high DRAM frequency may cause the system to become

unstable! If this happens, revert to the default setting.

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Asus P5Q-E User Manual Page 86