Jumper settings. CPU Vcc J5 JV1 JV2 CPU Vcc 2-3,4-5,7-8 1-3,2-4 1-3,2-4 3,3 1-2,4-5,7-8 1-3,2-4 1-3,2-4 3,45 2-3,5-6,10-11 1-2,3-4 1-2,3-4 3,3 & 2,8 2-3,5-6,9-10 1-2,3-4 1-2,3-4 3,3 & 3,0 2-3,5-6,7-8 1-2,3-4 1-2,3-4 3,3 & 3,2 1-2,5-6,10-11 1-2,3-4 1-2,3-4 3,45 & 2,8 1-2,5-6,9-10 1-2,3-4 1-2,3-4 3,45 & 3,0 1-2,5-6,7-8 1-2,3-4 1-2,3-4 3,45 & 3,2 CPU SPEED J9 Clock 3-4,5-6 50Mhz 55Mhz 5-6 60Mhz 3-4 66Mhz 1-2 75Mhz CPU Clock multiplier JP2 JP3 JP5 Multiplier 2-3 2-3 1-2 2,5X 1-2 2-3 1-2 3X 2-3 1-2 1-2 2X 1-2 1-2 1-2 1,5X JVBAT1 CMOS 1-2 Standard 2-3 Clear CMOS PS/2 Mouse Enab. Disab. JMS1 1-2 2-3 JPS1 1-2 2-3