DFI CS65-SC User Manual page 23

2
Hardware Installation
2.3 Jumper Settings for Selecting the CPU’s Front
Side Bus
CPU Front Side Bus Select - Jumpers JP9 and JP10
CPU/DIMM JP9 JP10
Warning:
Some processors, when overclocked, may result to the
processor’s or system’s instability and are not guaranteed to
provide better system performance. If you are unable to boot
your system due to overclocking, make sure to set these
jumpers back to their default settings.