Power1, Reset1: Power Button, Reset Button; Jbat1: Clear Cmos (Reset Bios) Jumper - MSI MEG Z390 ACE Quick Start Manual

POWER1, RESET1: Power Button, Reset Button

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

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 jumpers to clear the CMOS memory.
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.
Power button
Keep Data
(default)
Reset button
Clear CMOS/
Reset BIOS
Overview of Components
43