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Dram frequency [auto, Pcie frequency [auto, Fsb frequency [xxx – Asus P5E-VM DO User Manual

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Chapter 2: BIOS setup

FSB/CPU External Frequency Synchronization

Front Side Bus

CPU External Frequency

FSB 1333

333MHz

FSB 1066

266 MHz

FSB 800

200 MHz

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

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

DRAM Frequency [Auto]

Allows you to set the DDR2 operating frequency.

Configuration options: [Auto] [DDR2-667MHz] [DDR2-800MHz] [DDR2-889MHz]

[DDR2-1067MHz]

Available DRAM frequency options in various FSB settings

* Provided for overclocking purpose only.

FSB

Configuration options

Auto DDR2-

667

DDR2-

800

DDR2-

833*

DDR2-

889

DDR2-

1000*

DDR2-

1067*

DDR2-

1111*

DDR2-

1333*

FSB 1333

FSB 1066

FSB 800

PCIe Frequency [Auto]

Allows you to set the PCIe operating frequency.

Configuration options: [Auto] [100] [101] [102] [103] [104] ~ [150].

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 FSB frequency using the

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

the correct Front Side Bus.

The following item appears only when the CPU Ratio Control item is set to

[Manual].

Ratio CMOS Setting [7]

Sets the ratio between CPU Core Clock and the FSB Frequency.

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