MSI 990XA-GD55 series

Hardware Setup
MS-7640
Chapter 2
2-17
Hardware Setup
MS-7640
Chapter 2
Jumpers
Clear CMOS Jumper: JBAT1
There s a CMOS RAM onboard that has a power supply from an external battery to
keep the data of system con󰘰guraton. Wth the CMOS RAM, the system can automat-
cally boot OS every tme t s turned on. If you want to clear the system con󰘰guraton,
set the jumper to clear data.
JBAT1 Keep Data Clear Data
1 11
Important
You can clear CMOS by shortng 2-3 pn whle the system s o󰘯. Then return to 1-2
pn poston. Avod clearng the CMOS whle the system s on; t wll damage the man-
board.
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le the system
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le the system

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
s o󰘯. Then return to 1-2
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s o󰘯. Then return to 1-2
le the system
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le the system

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
s on;
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s on;