User Manual

4-18 Chapter 4: BIOS setup
4.4.2 FSB Strap to North Bridge [Auto]
When set to [Auto], the FSB Strap will be adjusted automatically by FSB Frequency
and DRAM Frequency. Conguration options: [Auto] [200MHz] [266MHz] [333MHz]
[400 MHz]
4.4.4 DRAM Timing Control [Auto]
Conguration options: [Auto] [Manual]
• The following sub-items apprear only when you set the DRAM Timing
Control item to [Manual].
• The conguration options for some of the following items vary depending on
the DIMMs you install on the motherboard.
4.4.3 DRAM Frequency [Auto]
Allows you to set the DDR2 operating frequency.
Conguration options: [Auto] [DDR2-533] [DDR2-639 MHz] [DDR2-667] [DDR2-
709] [DDR2-800 MHz] [DDR2-852MHz] [DDR2-887 MHz] [DDR2-1066MHz]
[DDR2-*1200MHz*]
The DRAM Frequency conguration options vary with the FSB Frequency
item settings.
Selecting a very high DRAM frequency may cause the system to become
unstable! If this happens, revert to the default setting.
FSB/CPU External Frequency Synchronization
Front Side Bus CPU External Frequency
FSB 1600 400 MHz
FSB 1333 333 MHz
FSB 1066 266 MHz
FSB 800 200 MHz
The following item appears only when you set the Ai Overclock Tuner item to
[Manual] and [X.M.P.].
PCIE Frequency [Auto]
Allows you to set the PCI Express frequency. Use the <+> and <-> keys to adjust
the PCIE frequency. The values range from 100 to 180.