Asus P4S800D - Manual (Page 51)

ASUS P4S800D motherboard 2-15
DRAM Frequency [Auto]
Allows you to set the DDR operating frequency. Configuration options: [200 Mhz]
[266 MHz] [333 MHz] [400 MHz] [Auto]
CPU VCore Offset +0.1V [Disabled]
Allows you to enable or disable the CPU VCore Offset at +0.1 voltage.
Configuration options: [Disabled] [Enabled]
AGP VDDQ voltage [1.50V]
Allows selection of the AGP operating voltage. Configuration options: [Auto]
[1.60V] [1.70V] [1.80V] [Auto]
DDR Reference Voltage [Auto]
Allows selection of the DDR SDRAM operating voltage. Configuration options:
[2.55V] [2.65V] [2.75V] [2.85V] [Auto]
CPU Frequency [133]
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 and is not
manually configurable. The values range from 100 to 300.
Selecting a very high CPU frequency may cause the system to become
unstable! If this happens, revert to the default setting.
If you are using an unlocked CPU, the item CPU Ratio appears under the AI
Overclock Tuner item. You may select your desired ratio from the available
options.
The CPU Frequency item appears only when you set the AI Overclocking
Tuner item to [Manual].