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Jumper, Clear cmos jumper: jcmos1, Important – MSI PM-104 User Manual

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MS-92B9 Server

2-12

Jumper

Clear CMOS Jumper: JCMOS1

There is a CMOS RAM onboard that has a power supply from an external battery to

keep the data of system configuration. With the CMOS RAM, the system can auto-

matically boot OS every time it is turned on. If you want to clear the system configuration,

set the jumper to clear data.

Important

You can clear CMOS by shorting 2-3 pin while the system is off. Then return
to 1-2 pin position. Avoid clearing the CMOS while the system is on; it will
damage the mainboard.

JCMOS1

1

Clear Data

1

3

Keep Data

1

3

92B9v1.0-2.p65

2008/9/8, 上午 10:02

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