ASROCK P43C-ME Manual Del Usuario página 18

When you mount a FSB800 or FSB1066 CPU, and try to overclock to FSB1333
orFSB1600 (by BIOS setting) you may face the problem, that DRAM frequency will
beoverclocked very high. Please use jumper to force NB to be strapped at
higherfrequency, so the DRAM can work at lower frequency.
If you want to overclock the CPU you adopt to FSB1066 on this motherboard, you
need to adjust the jumpers. Please short pin2, pin3 for FSB1 jumper, pin4, pin5 for
FSB2 jumper, and pin4, pin5 for FSB3 jumper. Otherwise, the CPU may not work
properly on this motherboard. Please refer to below jumper settings.
If you want to overclock the CPU you adopt to FSB1333 on this motherboard, you
need to adjust the jumpers. Please short pin2, pin3 for FSB1 jumper, pin4, pin5 for
FSB2 jumper, and pin2, pin3 for FSB3 jumper. Otherwise, the CPU may not work
properly on this motherboard. Please refer to below jumper settings.
If you want to overclock the CPU you adopt to FSB1600 on this motherboard, you
need to adjust the jumpers. Please short pin2, pin3 for FSB1 jumper, pin2, pin3 for
FSB2 jumper, and pin2, pin3 for FSB3 jumper. Otherwise, the CPU may not work
properly on this motherboard. Please refer to below jumper settings.
1 8 1 8 1 8
1 8 1 8
ASRock P43C-ME Motherboard