Frequency/Voltage Control - Gigabyte 8I845GVM-RZ User Manual

Frequency/Voltage Control

CMOS Setup Utility-Copyright (C) 1984-2004 Award Software
CPU Clock Ratio
CPU Host Clock Control
CPU Host Frequency(Mhz)
PCI/AGP Divider
Host/DRAM Clock ratio
Memory Frequency(Mhz)
PCI/AGP Frequency(Mhz)
: Move Enter: Select
F5: Previous Values
Incorrect using these features may cause your system broken. For power End-User use only!
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 Willamette CPU: 8X~23X default: 14X
For C-Stepping P4:
For Northwood CPU: 12X~24X default: 16X
The option will display "Locked" and read only if the CPU ratio is not changeable.
CPU Host Clock Control
If system hangs up before enter CMOS setup utility, wait for 20 sec for times out reboot. When time
out occur, system will reset and run at CPU default Host clock at next boot.
Disabled
Enabled
CPU Host Frequency (MHz)
This feature will be available when "CPU Host Clock Control" is set to Enabled.
100MHz ~ 355MHz
If you use FSB400 Pentium 4 processor, please set "CPU Host Frequency" to 100MHz. If you use
FSB533 Pentium 4 processor, please set "CPU Host Frequency" to 133MHz.
PCI/AGP Divider
This feature will be available when "CPU Host Clock Control" is set to Enabled.
Disabled
PLL/16, 20, 24, 32, 40 Set PCI/AGP frequency.
8I845GVM-RZ Series Motherboard
Frequency/Voltage Control
[15X]
[Disabled]
100
Disabled
[Auto]
266
33/66
+/-/PU/PD: Value
F6: Fail-Save Default
8X, 10X~24X default: 15X
Disable CPU Host Clock Control. (Default value)
Enable CPU Host Clock Control.
Set CPU Host Clock from 100MHz to 355MHz.
Disable PCI/AGP Divider control. (Default value)
- 32 -
Menu Level
F10: Save ESC: Exit
F7: Optimized Defaults
Item Help
F1: General Help