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JBAT1: Clear CMOS Jumper

There is CMOS RAM onboard that is external powered from a battery located on the motherboard to save system configuration data. With the CMOS RAM, the system can automatically boot into the operating system (OS) every time it is turned on. If you want to clear the system configuration, set the jumpers to clear the CMOS RAM.

1

1

Keep Data

Clear Data

Important

You can clear the CMOS RAM by shorting this jumper while the system is off. Afterwards, open the jumper . Do not clear the CMOS RAM while the system is on because it will damage the motherboard.

JUSB_PW1, JUSB_PW2: USB Power Jumper

This jumper allows you to enable/ disable the “Wakeup from S3/S4/S5 by USB and PS/2 device” function.

JUSB_PW1

1

1

 

 

Enabled

Disabled (Default)

JUSB_PW2

1

1

 

Enabled

Disabled (Default)

Important

If you set the jumper to Enabled, the power supply must be able to provide at least 2A currents.

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MSI B85M-P33 manual JBAT1 Clear Cmos Jumper, JUSBPW1, JUSBPW2 USB Power Jumper