Foxconn P31A-S Multi-language manual. - Page 25

Chapter 1 Main Features GMCH_FSBSEL Jumper: GMCH_FSBSEL 1/2 This series of motherboard have jumpers on-board, which may be used to overclock by adjusting the jumper setting. You can also overclock by configuring BIOS or combining the jumper and BIOS settings. In default status, the 2 jumpers are set to pins 1-2, and the frequency is the actual frequency of CPU and memory. For overclocking, you may set the jumpers as the following state in chart, and the related parameters are for your reference, then you can choose to enter the BIOS setup during POST to configure the settings of "CPU Clock". The frequency of CPU and memory will increase by the same percentage. 11 Default GMCH_FSBSEL 1/2 1 No Jumper Cap GMCH_ GMC H_ FSBSEL 1 FSBSEL 2 C P U Typ e 3 3 3 /1 3 3 3 1 1 2 6 6 /1 0 6 6 2 0 0 /8 0 0 3 3 3 /1 3 3 3 1 1 2 6 6 /1 0 6 6 2 0 0 /8 0 0 3 3 3 /1 3 3 3 1 1 2 6 6 /1 0 6 6 2 0 0 /8 0 0 M em o ry Typ e 800 667 800 667 800 667 800 667 800 667 800 667 800 667 800 667 800 667 A ctual M e m o ry F requency 800 667 640 533 480 400 1000 835 800 667 601 500 1333 111 0 1064 887 800 667 Attention 1. Make sure your PC is turned off before adjusting the jumper settings. 2. The actual overclocking frequency is determined by your CPU, Memory and Graphics card. 3. A very high frequency may cause the system to become unstable. 19