MSI Z77A User Guide - Page 41

Jumpers

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Chapter 1 MS-7752 Jumpers JBAT1: Clear CMOS Jumper There is CMOS RAM onboard that is external powered from a battery located on the mainboard 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 Keep Data 1 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 mainboard. 1-31

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1-31
MS-7752
Chapter 1
Jumpers
JBAT1: Clear CMOS Jumper
There ±s CMOS RAM onboard that ±s external powered from a battery located on the
ma±nboard to save system configurat±on data. W±th the CMOS RAM, the system can
automat±cally boot ±nto the operat±ng system (OS) every t±me ±t ±s turned on.
If you want
to clear the system configurat±on, set the jumpers to clear the CMOS RAM.
Keep Data
Clear Data
1
1
Important
You can clear the CMOS RAM by short±ng th±s jumper wh±le the system ±s off. Afterwards,
open the jumper . Do not clear the CMOS RAM wh±le the system ±s on because ±t w±ll
damage the ma±nboard.