Jbat1: Clear Cmos (Reset Bios) Jumper; Ez Debug Leds; Gpu Led - MSI B350 TOMAHAWK User 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 but DO NOT unplug the power cord (system under S5/
Soft-off mode).
2. Use a jumper cap to short JBAT1 for about 5-10 seconds.
3. Remove the jumper cap from JBAT1.
4. Power on the computer.

EZ Debug LEDs

These LEDs indicate the status of key components during booting process. When an
error is occurred, the corresponding LED stays lit until the problem is solved.
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.

GPU LED

This LED indicates the CPU' s iGPU is not defected and you needs to install a graphic
card.
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Overview of Components
Keep Data
(default)
GPU LED
EZ Debug LEDs
Clear CMOS/
Reset BIOS