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2-10 Chapter 2: BIOS information
Ai Overclock Tuner [Auto]
Allows selection of CPU overclocking options to achieve desired CPU internal frequency.
Select either one of the preset overclocking conguration options:
Manual - Allows you to individually set overclocking parameters.
Auto - Loads the optimal settings for the system.
X.M.P. - If you install memory module(s) supporting the eXtreme Memory Prole X.M.P.)
Technology, choose this item to set the prole(s) supported by your memory
module(s) for optimizing the system performance.
The following two items appear only when you set the Ai Overclock Tuner item to
[Manual].
Front Side Bus CPU External Frequency
FSB 1600 400 MHz
FSB 1333 333 MHz
FSB 1066 266 MHz
FSB 800 200 MHz
FSB 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. Input the desired CPU frequency using
the numeric keypad. The values range from 200 to 800 MHz. Refer to the table below
for the correct Front Side Bus and CPU External Frequency settings.
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.
FSB/CPU External Frequency Synchronization
The following conguration options for the following sub-item vary depending on the DIMMs
you install on the motherboard.
eXtreme Memory Profile [Disabled]
This item appears only when you set the Ai Overclock Tuner item to [X.M.P.] and
allows you to enable or disable the eXtreme Memory Prole.
Conguration options: [Disabled] [Enabled]
CPU Ratio Setting [Auto]
Allows you to set the ratio between CPU Core Clock and the FSB Frequency.
Conguration options: [Auto]
FSB Strap to North Bridge [Auto]
Allows you to adjust the FSB strap. Conguration options: [Auto] [200MHz] [266MHz]
[333MHz] [400MHz]
DRAM Frequency [Auto]
Allows you to set the DDR3 operating frequency. Conguration options: [Auto]
[DDR3-1066MHz] [DDR3-*1600MHz*] [DDR3-*1800MHz*]