Jbat1: Clear Cmos (Reset Bios) Jumper; Power1, Reset1: Power Button, Reset Button - MSI X299M GAMING PRO CARBON AC Quick Start Manual

JBAT1: Clear CMOS (Reset BIOS) Jumper

There is CMOS memory onboard that is external powered from a battery located on
the motherboard to save system configuration data. If you want to clear the system
configuration, set the jumper to clear the CMOS memory.
Keep Data Clear CMOS/
Reset BIOS
(default)
Resetting BIOS to default values
1. Power off the computer and unplug the power cord
2. Use a jumper cap to short JBAT1 for about 5-10 seconds.
3. Remove the jumper cap from JBAT1.
4. Plug the power cord and power on the computer.

POWER1, RESET1: Power Button, Reset Button

The Power / Reset button allows you to power on / reset the computer.
Power button Reset button
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