Biostar PT890 775 SE Setup Manual page 94

CPU CLOCK
This item allows you to select CPU Clock, and CPU over clocking.
The Choices: 100MHz(default); Min=100, Max=400, key in a DEC number.
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 d efault 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= 6 Max= 50 Key in a DEC number.
The Choices: 6X (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.
PT890 775 SE
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