VT-501 Item: Intel Pentium (P55C) MMX 166Mhz jumper settings CPU Speed ----------------- 166Mhz External (CPU/CLK) -------- 66Mhz CPU Clock Multiplier ------ 2.5x CLK1 ---------------------- 2-3 CLK2 ---------------------- 1-2 CLK3 ---------------------- 1-2 FREQ1 --------------------- 2-3 FREQ2 --------------------- 2-3 VR1 ----------------------- 7-8 VR2 ----------------------- 5-6, 7-8