Bios Flash Jumper: Jp3 - MSI MS-6315 Manual

BIOS Flash Jumper: JP3

This connector is connected to 2-pin connector chassis switch. If the
Chassis is open, the switch will be short. The system will record this status.
To clear the warning, you must enter the BIOS settting and clear the status.
BIOS Flash
Locked
2-29
JP3
BIOS Flash
Unlocked