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ASUS P5K Premium 4-17
FSB/CPU External Frequency Synchronization
FSB Frequency [266]
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 CPU 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.
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 DDR operating frequency.
Conguration options: [Auto] [DDR2-667 MHz] [DDR2-800 MHz] [DDR2-889 MHz]
[DDR2-1067 MHz]
Front Side Bus CPU External Frequency
FSB 1066 266 MHz
FSB 800 200 MHz
N.O.S. Mode [Auto]
Conguration options: [Auto] [Standard] [Sensitive] [Heavy Load]
CPU Ratio Control [Auto]
Allows you to control the CPU ratio. Conguration options: [Auto] [Manual]
The following item only appears when you set the Ai Overclocking item to
[N.O.S].
PCIE Frequency [Auto]
Allows you to set the PCI Express frequency.
Conguration options: [Auto] [100] [101] ~ [149] [150]
DRAM Timing Control [Auto]
Conguration options: [Auto] [Manual]
The following two items only appear when you set the Ai Overclocking item to
[Manual].
The following item only appears when you set the CPU Ratio Control item to
[Manual].
Ratio CMOS Setting [7]
Conguration options: [6] [7]