Some of the following items appear when you set AI Overclocking to [Manual] or [N.O.S.]. The items vary depending on which option you select.

N.O.S. Mode [Auto]

Allows you to set the Non-delay Overclocking System mode.

Configuration options: [Auto] [Standard] [Sensitive] [Heavy Load]

CPU Ratio Control [Auto]

Configuration options: [Auto] [Manual]

The following item appears when the CPU Ratio Control item is set to [Manual].

Ratio CMOS Setting [12]

Use the <+> and <-> keys to select the CMOS ratio values from 6 to 12.

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 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

CPU External Frequency

FSB 1333

333 MHz

FSB 1066

266 MHz

FSB 800

200 MHz

PCIE Frequency [Auto]

Allows you to set the PCI Express frequency.

Configuration options: [Auto] [100] [101]~[149] [150].

DRAM Frequency [Auto]

Allows you to set the DDR2 operating frequency.

Configuration options: [Auto] [DDR2-667MHz] [DDR2-800MHz] [DDR2-1066MHz]

Selecting a very high DRAM frequency may cause the system to become unstable! If this happens, revert to the default setting.

ASUS P5K

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