Biostar U8668-D User Manual page 71

BIOS Setup
If unfortunately, the system's frequency that you are selected is
not functioning, there are two methods of booting-up the system.
Method 1: Clear the CMOS data by setting the JCMOS1 ((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.
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