User`s manual

Hardware Setup
MS-7640
Chapter 2
2-21
Hardware Setup
MS-7640
Chapter 2
OC Dal Functon: OC Dal button & OC Dal knob
The button and the knob are used to adjust the FSB.
OC Dal knobOC Dal button
You can use them to change FSB clock at any tme under the operatng system. Ths
method does not need to nstall software or reboot. Please follow the steps below to
ncrease or decrease the FSB clock.
Press the OC Dal button to start adjustment. The OC Dal LED wll lght to ndcate
current operaton.
Turn the OC Dal knob clockwse/ant-clockwse to ncrease/decrease FSB clock.
You can set the value of OC Dal Step n BIOS.
Press the OC Dal button agan to complete adjustment. The OC Dal LED wll turn
o automatcally.
Important
Before you use OC Dal functon to overclock the system. In order to ncrease the
success rate, you should set the voltage n BIOS properly.
After each of the adjustments, ths feature should be shut down. Otherwse, t would
aect the system performance. Therefore, when you complete the adjustment, check
whether OC Dal LED s on or o, f OC Dal LED s stll lt, press the button and then
check agan.
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