Asus P5N-E SLI - Manual (Page 74)

2-22 Chapter 2: BIOS setup
The Overclock Options item is user-configurable only when the AI Tuning
is set to [AI Overclock].
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
Press [Enter] to Set.
System Clocks
NB PCIE Frequency (MHz) [ 100 ]
Phoenix-Award BIOS CMOS Setup Utility
Advanced
System Clocks
This sub-menu allows you to set PCI Express related field. Set the AI Tuning
to [Manual], if you want to configure this item.
NB PCIE Frequency [100]
Allows you to set the PCI Express frequency. Key-in a decimal value
between 100-131 MHz. Configuration options: [100MHz] [101MHz] ~
[130MHz] [131MHz]
Overclock Options [Disabled]
Allows you to disable or set the overclocking options.
Configuration options: [Disabled] [Overclock 5%] [Overclock 10%]
[Overclock 15%] [Overclock 20%]
Selecting a very high PCIE frequency may cause the system to become
unstable! If this happens, revert to the default setting.