MSI MS-6188 User Manual page 28

The JKBV1 jumper is for setting keyboard power. This function should be
set in the BIOS for the keyboard Wake-up function.
JKBV1
Enable keyboard
power on function
Note: To be able to use this function, you need a power supply that
provide enough power for this feature. (Power supply with
750mA 5V Stand-by)
3
1
1
3
5V Standby
1
3
5V (default)
Disable keyboard
power on function
2-23