Asus P5E-VM SE - Manual (Page 68)

2-18 Chapter 2: BIOS setup
Some of the following items appear when you set AI Overclocking to [Manual]
and [N.O.S.]
CPU Ratio Setting [Auto]
Allows you to set the ratio between CPU core clock and the FSB frequency. Use
the <+> and <-> keys to select the ratio values.
Configuration options: [Auto] [14.0] [15.0] ~ [23.0] [24.0]
FSB Strap to North Bridge [Auto]
FSB Strap will be adjusted automatically by FSB Frequency and DRAM Frequency.
Configuration options: [Auto] [200MHz] [266MHz] [333MHz].
The following two items only appear when you set the Ai Overclocking item to
[Manual].
FSB Frequency [XXX]
Displays the frequency sent by the clock generator to the system bus and PCI
bus. Use the <+> and <-> keys to adjust the FSB frequency. You can also type
the desired FSB frequency using the numeric keypad. The values range from 200
to 800. Refer to the table below for the correct Front Side Bus and CPU External
Frequency settings.
FSB/CPU External Frequency Synchronization
Front Side Bus CPU External Frequency
FSB 1333 333 MHz
FSB 1066 266 MHz
FSB 800 200 MHz
PCIE Frequency [Auto]
Allows you to set the PCI Express frequency.
Configuration options: [Auto] [100] [101] ~ [149] [150]
DRAM Frequency [Auto]
Allows you to set the DDR2 operating frequency.
Configuration options: [Auto] [DDR2-533MHz] [DDR2-667MHz] [DDR2-800MHz]
Selecting a very high DRAM frequency may cause the system to become
unstable! If this happens, revert to the default setting.