MSI MAG X670E TOMAHAWK WIFI Manuel D'utilisation page 43

JDASH1: Tuning Controller Connector
This connector is used to connect an optional Tuning Controller module.
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.
Pin Signal Name
1 No Pin
3 MCU_SMB_SCL_M
5 VCC5
Keep Data
(default)
41
2 6
1 5
Pin Signal Name
2 NC
4 MCU_SMB_SDA_M
6 Ground
Clear CMOS/
Reset BIOS