DFI G586-OPC system board Jumper settings for various Intel Pentium CPUs: Model Ext. JP7 JP8 JP16 JP17 Note ---------------------------------------------- 75 50 Off Off 1-2 On 1-2 On 1.5X 90 60 On Off 1-2 On 1-2 On 1.5X 100 66 On On 1-2 On 1-2 On 1.5X ---------------------------------------------- 120 60 On Off 2-3 On 1-2 On 2X 133 66 On On 2-3 On 1-2 On 2X ---------------------------------------------- 150 60 On Off 2-3 On 2-3 On 2.5X 166 66 On On 2-3 On 2-3 On 2.5X ----------------------------------------------