Computer Hardware User Manual

- 29 - BIOS Setup
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Frequency/Voltage Control
CPU Clock Ratio
This option will not be shown or not be available if you are using a CPU with the locked ratio.
15X~21X It depends on CPU Clock Ratio.
This setup option will automatically assign by CPU detection.
For C-Stepping P4: 8X,10X~24X default: 15X
For Northwood CPU: 12X~24X default: 16X
The option will display "Locked" and read only if the CPU ratio is not changeable.
Auto Detect PCI/DIMM Clk
Disabled Disable auto detect PCI/DIMM Clk.
Enabled Enable auto detect PCI/DIMM Clk. (Default v alue)
Spread Spectrum
Disabled Disable spread spectrum.
Enabled Enable spread spectrum. (Default v alue)
CPU Host Clock Control
Note: If system hangs up before enter CMOS setup utility, w ait for 20 s ec for times out reboot.
When time out occur, system will reset and run at CPU default Host cloc k at nex t boot.
Disabled Disable CPU Host Clock Control. ( Default v alue)
Enabled Enable CPU Host Clock Control.
CPU Clock
Incorrect using it may cause your system broken. For power End-User use only!
100 Set CPU Clock to 100MHz~132MHz.
133 Set CPU Clock to 133MHz~165MHz.
ø This item will be available when "CPU Host Clock Control" is set to Enabled.
CMOS Setup Utility-Co pyright (C) 1984 -2003 Award Soft ware
Frequ ency/Voltage Con trol
CPU Clock Ratio [15X]
Auto Detect PCI/DIMM Clk [Enab led]
Spre ad Spectrum [Enab led]
CPU Host Clock Con trol [Disa bled]
ø CPU C lock 100
higf: M ove Enter: Select +/-/ PU/PD: Value F10: Save ESC: Exit F1: General Help
F5: P revious Values F6: Fa il-Safe Default F7: Optimized Defa ults
Item Help
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