MSI MS-6301 Manual page 10

2.1-5 CPU Core/Bus Ratio strap to Safe Mode: JP3
This jumper is used to adjust the CPU core/ratio to safe mode.
JP3
Short
Open
Warning: If CPU Core/Bus ratio is set too high that the system hang.
Short pin JP3, then restart the system until boot up, the
CPU core/bus ratio will be set to the default setting by 2.
Properly shutdown the system, and remove the short on
JP3.
Function
Safe Mode
(Core/Bus Ratio by 2)
Core/Bus Ratio in ICH
Register (Default)
2-5
JP3