Asus P5P41T/USB3 - Manual (Page 48)

2-10 Chapter 2: BIOS information
2.4.1 JumperFree Configuration
The items in this menu allows you to adjust the system frequency/voltage.
PCI/PCIe CLK Status [Enabled]
Allows you to enable or disable the clock for the PCI or PCIe slot. Configuration options:
[Enabled] [Disabled]
Ai Overclocking [Auto]
Allows selection of CPU overclocking options to achieve desired CPU internal frequency.
Select either one of the preset overclocking configuration options:
Manual - allows you to individually set overclocking parameters.
Auto - loads the optimal settings for the system.
Overclock Profile - loads overclocking profiles with optimal parameters for stability
when overclocking.
FSB / CPU External Frequency Synchronization
CPU Frequency [xxx]
Displays the frequency sent by the clock generator to the system bus and PCI bus. The
value of this item is auto-detected by the BIOS. Use the <+> and <-> keys to adjust
the CPU frequency. You can also type the desired CPU frequency using the numeric
keypad. The values range from 200 to 600. Refer to the table below for the correct
Front Side Bus and CPU External Frequency settings.
Overclock Options [Overclock 5%]
Allows you to select the overclock options. Configuration options: [Overclock 5%]
[Overclock 10%] [Overclock 15%] [Overclock 20%] [Overclock 30%]
DRAM Frequency [Auto]
Allows you to set the DDR2 operating frequency. Configuration options: [Auto]
[667 MHz] [800 MHz] [1067MHz]
The following item appears only when you set the AI Overclocking item to [Overclock
Profile].
The following item appears only when you set the AI Overclocking item to [Manual].
Front Side Bus CPU External Frequency
FSB 1333 333 MHz
FSB 1066 266 MHz
FSB 800 200 MHz