Biostar PT890 775 Setup Manual page 91

CPU CLOCK
This item allows you to select CPU Clock, and CPU over clocking.
Special Notice:
If the system's frequency that you are selected is not functioning, there are two
methods of booting-up the system.
Method 1:
Clear the COMS data by setting the JCOMS1 ((2-3) closed)) as "ON" status. All
the CMOS data will be loaded as defaults setting.
Method 2:
Press the <Insert> key and Power button simultaneously, after that keep-on
pressing the <Insert> key until the power-on screen showed.
This action will boot-up the system according to FSB of the processor
It's strongly recommended to set CPU Vcore and clock in default setting. If the
CPU Vcore and clock are not in default setting, it may cause CPU or M/B
damage.
Async PCIE CLOCK
This item allows you to select Async PCIE clock.
Min= 100 Max= 150 Key in a DEC number.
The Choices: 100MHz(default)..
CPU Clock Ratio
This item allows you to select the CPU Ratio.
Min= 8 Max= 50 Key in a DEC number.
The Choices: 8X (default).
Spread Spectrum
This item allows you to enable/disable the Spread Spectrum function.
The Choices:+/- 0.25% (default), +/- 0. 5%, Disabled, -0.5%, -1.0%.
DDR Voltage
This item allows you to select DDR Voltage.
The Choices: 1.90V (default), 1.97V, 2.04V, 2.10V.
CPU Voltage
This item allows you to select CPU Voltage.
The Choices: StartUp (default)..
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