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ASUS P4C800-E Deluxe motherboard user guide
4-15
CPU External Frequency (MHz) [XXX] (value is auto-detected)
Indicates the frequency sent by the clock generator to the system bus and
PCI bus. The bus frequency (external frequency) multiplied by the bus
multiple equals the CPU speed. The value of this item is auto-detected by
BIOS. The values range from 100 to 400.
DRAM Frequency [Auto]
Allows you to set the DDR operating frequency. Configuration options:
[266 MHz] [333 MHz] [400 MHz] [Auto]
Select Screen
Select Item
+- Change Option
F1 General Help
F10 Save and Exit
ESC Exit
AI Overclock Tuner [Manual]
CPU External Frequency (MHz) [133]
CPU Ratio [18]
DRAM Frequency [Auto]
AGP/PCI Frequency (MHz) [Auto]
CPU VCore Voltage [Auto]
DDR Reference Voltage [Auto]
AGP VDDQ Voltage [1.50V]
Performance Mode [Auto]
Configure System Frequency/Voltage
When you set the AI Overclocking Tuner item to [Manual], the related
overclocking items appear.
Setting to Turbo may cause the system to become unstable! If this
happens, revert to the default setting Auto.
Performance Mode [Auto]
Allows enhanced system performance. Configuration options: [Auto]
[Standard] [Turbo]
CPU Ratio [18]
Sets the ratio between the CPU core clock and the FSB frequency.
This item appears only if you are using an unlocked CPU. You may
select your desired ratio from the available options.