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2-10 Chapter 2: BIOS information
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. Conguration options: [Overclock 5%]
[Overclock 10%] [Overclock 15%] [Overclock 20%] [Overclock 30%] [Test Mode]
DRAM Frequency [Auto]
Allows you to set the DDR2 operating frequency. Conguration options: [Auto]
[667 MHz] [800 MHz] [1067MHz]
The following item appears only when you set the AI Overclocking item to [Overclock
Prole].
Front Side Bus CPU External Frequency
FSB 1333 333 MHz
FSB 1066 266 MHz
FSB 800 200 MHz
The following item appears only when you set the AI Overclocking item to [Manual].
Selecting a very high DRAM frequency may cause the system to become unstable! If this
happens, revert to the default setting.
FSB
DRAM Frequency
Auto 667MHz 800MHz 960MHz 1000MHz 1067MHz 1100MHz 1200MHz
1333 v v v v v
1066 v v v v
800 v v v
The following table shows the DRAM Frequency options that appear when the FSB value is
1333, 1066, and 800.
Memory Voltage [Auto]
Allows you to adjust Memory Over voltage and each step is 6.25mV