1 frequency/voltage control, Cpu clock ratio [17 x, Cpu/mem clock selectable [auto – Asus P4U800-X User Manual
Page 48: Cpu clock setting [100, Mem clock setting [ddr266, Spread spectrum [+/-0.7, 16 chapter 2: bios information

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Chapter 2: BIOS information
CPU Clock Ratio [17 X]
Sets the ratio between the core clock and the FSB frequency. Key-in a
value then press
(depending on the installed CPU)]
CPU/MEM Clock Selectable [Auto]
Set this item to Manual to enable linear frequency function.
Configuration options: [Auto] [Manual]
CPU Clock Setting [100]
Sets the CPU core frequency. Key-in a value then press
item is enabled only when the CPU/MEM Clock Selectable item is set to
Manual. Configuration options: [Min=100] [Max=300] (depending on the
installed CPU)]
MEM Clock Setting [DDR266]
Sets the DRAM frequency. This item is enabled only when the CPU/MEM Clock
Selectable item is set to ManualConfiguration options: [DDR266] [DDR333]
[DDR400]
Spread Spectrum [+/-0.7%]
This field enables or disables the clock generator spread spectrum. Configuration
options: [Disabled] [+/- 0.1%] [+/- 0.2%] [+/- 0.3%] [+/- 0.4%] [+/- 0.5%] [+/- 0.6%]
[+/- 0.7%] [+/- 0.8%] [+/- 0.9%] [+/- 1.0%]
2.4.1 Frequency/Voltage Control
CPU Clock Ratio
[17 X]
CPU/MEM Clock Selectable
[Auto]
x CPU Clock Setting
[100]
x MEM Clock Setting
[DDR266]
Spread Spectrum
[+/- 0.7%]
Frequency/Voltage Control
F1
: Help
↑↓
: Select Item
-/+
: Change Value
F5
: Setup Defaults
ESC : Exit
→←
: Select Menu
Enter : Select Sub-menu
F10 : Save and Exit
Select Menu
Item Specific Help
Sets the ratio between
CPU core clock and
the FSB frequency.