Asus P I-P55SP3AV P/I-P55SP3AV User's manual - Page 67

4 P/I-P55SP3AV User's Manual CPU External Clock Speed Selector: JP26& JP27 Set these as shown, according to the CPU's internal clock speed. Int. Clk Ext. Clock JP26 JP27 Int. Clk Multiple 166MHz 66Mhz 2&3 1&2 2.5 x Ext. Clock 150MHz 60Mhz 1&2 2&3 2.5 x Ext. Clock 133MHz 66Mhz 2&3 1&2 2 x Ext. Clock 120MHz 60Mhz 1&2 2&3 2 x Ext. Clock 100MHz 66Mhz 2&3 1&2 1.5 x Ext. Clock 90MHz 60Mhz 1&2 2&3 1.5 x Ext. Clock 75MHz 50Mhz 2&3 2&3 1.5 x Ext. Clock 40Mhz 1&2 1&2 1.5 x Ext. Clock Important: CPUs are normally listed by their internal clock speed, as shown above. You MUST also set JP14 & JP15 for the correct multiple of the external clock speed. 0 0 66MHz Ext. 0 00 NJ NJ 01 60MHz Ext. C- C- -v NJ O, 50MHz Ext. 0 0 `C -O NJ NJ V CS) 40MHz Ext. 00 4 - 6