Jbat1: Clear Cmos (Reset Bios) Jumper; Ez Debug Led; Led_Sw1: Ez Led Control - MSI MPG Z490M GAMING EDGE WIFI 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 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.

EZ Debug LED

These LEDs indicate the debug status of the motherboard.

LED_SW1: EZ LED Control

This switch is used to switch on/ off all the LEDs of motherboard.
Keep Data
(default)
CPU - indicates CPU is not detected or fail.
DRAM - indicates DRAM is not detected or fail.
VGA - indicates GPU is not detected or fail.
BOOT - indicates the booting device is not detected
or fail.
LED_OFF
Clear CMOS/
Reset BIOS
LED_ON
(Default)
Overview of Components
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