Asus P2-P5945GCX - Manual (Page 74)

5-20 Chapter 5: BIOS setup
FSB/CPU External Frequency Synchronization
Front Side Bus CPU External Frequency
FSB 1067 266 MHz
FSB 800 200 MHz
FSB 667 133 MHz
DRAM Frequency [Auto]
Allows you to set the DDR2 operating frequency.
Configuration options: [Auto] [DDR2-400MHz] [DDR2-533 MHz] [DDR2-667 MHz]
The following item appears only when you set the AI Overclocking item to
[Manual].
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 133 to 400. Refer to the table below for
the correct Front Side Bus and CPU External Frequency settings.
PCI Express Frequency [Auto]
Allows you to select PCI express frequency. Configuration options: [Auto] [100]
[101] [102] [103] [104] [105] ~ [112] [113] [114]
Selecting a very high DRAM frequency may cause the system to become
unstable! If this happens, revert to the default setting.