MSI MEG Z790 ACE Manuel D'utilisation page 56

BAT1: CMOS Battery
If the CMOS battery is out of charge, the time in the BIOS will be reset and the data of
system configuration will be lost. In this case, you need to replace the CMOS battery.
WARNING
KEEP OUT OF REACH OF CHILDREN
∙ Swallowing can lead to chemical burns, perforation of soft tissue, can death.
∙ Severe burns can occur within 2 hours of ingestion.
If you think batteries might have been swallowed or placed inside any part of
∙
the body, seek immediate medical attention.
V-Check Points Lite
These voltage checkpoints are used to measure the current system voltages. A
multimeter (not included) will be required to check voltages. To measure voltage,
place test leads on the GND (screw mounting hole) and a specific V-Check Point.
Please refer to the manual of your multimeter for more information.
Replacing CMOS battery
1. Unplug the battery wire from the BAT1 connector and
remove the battery.
2. Connect the new CR2032 battery with wire to the
BAT1 connector.
VCC
GND
VCCIN
CPU VDD2
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