User`s manual

MS-7550 Mainboard

2-18

This mainboard provides the following switch for you to set the computer’s function.

This section will explain how to change your mainboard’s function through the use of

switch.

Hardware Overclock FSB Switch: U117 (optional)

You can overclock the FSB to increase the processor frequency by changing the

switch. Follow the instructions below to set the FSB.

Switch

1 2

DOC1 DOC2 CPU Frequency

1:ON 2:ON Default

1:ON 2:OFF Increase 10% speed of FSB

1:OFF 2:ON Increase 15% speed of FSB

1:OFF 2:OFF Increase 20% speed of FSB

Important

1. Make sure that you power off the system before setting the switch.

2. When hardware overclocking cause system instability or crash during

boot, the following warning message will display during POST. And then,

please set the switch to default setting.

Warning!!! OC switch overclocking had failed,

Please shutdown and adjust oc switch to lower frequency.

Try again!

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