Turbo N.O.S. [Overclock 3%]

Configuration options: [Overclock 3%] [Overclock 5%] [Overclock 10%] [Overclock 15%] [Overclock 20%] [Overclock 30%]

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

Refer to page 2-3 for FSB frequency LED definition.

PCIE Frequency [100]

Allows you to set the PCI Express frequency.

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

DRAM Frequency [Auto]

Allows you to set the DDR2 operating frequency.

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

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

DRAM Timing Control [Auto]

Configuration options: [Auto] [Manual]

4-18

Chapter 4: BIOS setup