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Spread spectrum [auto, Cpu vcore voltage [auto, Dram frequency [auto – Asus P5B-VM DO User Manual

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ASUS P5B-VM DO

2-19

FSB/CPU External Frequency Synchronization

Spread Spectrum [Auto]

Allows you to enable or disable the clock generator spread spectrum.

Configuration options: [Disabled] [Enabled] [Auto]

CPU VCore Voltage [Auto]

Allows selection of the CPU VCore voltage. The configuration options vary

depending on the CPU installed. Setting to Auto allows the BIOS to detect the

VCore voltage of the CPU installed.

Configuration options: [1.6000V] [1.5875V] [1.5750V] [1.5625V] [1.5500V]

[1.6000V] [1.5875V] [1.5750V] [1.5625V] [1.5500V]

[1.5375V] [1.5250V] [1.5125V] [1.5000V] [1.4875V] [1.4750V] [1.4625V] [1.4500V]

[1.4375V] [1.4250V] [1.4125V] [1.4000V] [1.3875V] [1.3750V] [1.3625V] [1.3500V]

[1.3375V] [1.3250V] [1.3125V] [1.3000V]

Refer to the CPU documentation before setting the CPU VCore voltage. A very

high Vcore voltage can severely damage the CPU!

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

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

Front Side Bus

CPU External Frequency

FSB 1066

266 MHz

FSB 800

200 MHz

FSB 533

133 MHz

DRAM Frequency [Auto]

Allows you to set the DDR2 operating frequency.

Configuration options:

Available DRAM frequency options in various FSB settings

* Provided for overclocking purpose only.

FSB

Configuration options

Auto

DDR2-

533

DDR2-

667

DDR2-

800

DDR2-

889*

DDR2-

1067*

FSB 1066

FSB 800