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Asus M3A User Manual

Page 78

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4-18

Chapter 4: BIOS setup

FSB Frequency [XXX]

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

bus. 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 600. Refer to the table below for the correct Front Side Bus and CPU External

Frequency settings.

FSB/CPU External Frequency Synchronization

Front Side Bus

CPU External Frequency

FSB 1333

333 MHz

FSB 1066

266 MHz

FSB 800

200 MHz

The following two items appear only when you set the Ai Overclocking item to

[Manual].

PCIE Frequency [XXX]

Use the <+> and <-> keys to adjust the PCIE frequency. You can also type the

desired PCIE frequency using the numeric keypad. The values range from 100 to

150.

PLL1/2 Spread Spectrum [Disabled]

Allows selection of the PLL1/2 Spread Spectrum settings.

Configuration options: [Disabled] [Enabled]

• The following item appears only when you set the Ai Overclocking item to

[Manual] and [Standard].

• The configuration options for the following item vary depending on the CPU

you install on the motherboard.

Processor Frequency Multiplier [Auto]

Allows selection of the processor frequency multiplier.

Configuration options: [Auto] [x5.0 1000 MHz] [x5.5 1100 MHz] [Reserved] [x6.5

1300 MHz] [Reserved] [x7.5 1500 MHz] [x8.0 1600 MHz] [x8.5 1700 MHz] [x9.0

1800 MHz] [x9.5 1900 MHz] [x10.0 2000 MHz] [x10.5 2100 MHz] [x11.0 2200 MHz]

CPU-NB HT Link Speed [Auto]

Allows you to set the CPU-Northbridge HyperTransport link speed.

Configuration options: [Auto] [1 GHz] [800 MHz] [600 MHz] [400 MHz] [200 MHz]