User Guide

Jumper Table Summary
C-4
AMD K5 CPU Core
Frequency
Ratio External
Bus Clock
S1 S2 S3 JP4 & JP5 & JP6
PR100 100MHz = 1.5x 66MHz OFF OFF OFF 2-3 & 1-2 & 1-2
PR120 90MHz = 1.5x 60MHz OFF OFF OFF 1-2 & 2-3 & 1-2
PR133 100MHz = 1.5x 66MHz OFF OFF OFF 2-3 & 1-2 & 1-2
PR166 116MHz = 1.75x 66MHz ON ON OFF 2-3 & 1-2 & 1-2
AMD K6 CPU Core
Frequency
Ratio External
Bus Clock
S1 S2 S3 JP4 & JP5 & JP6
PR2-166 166MHz = 2.5x 66MHz ON ON OFF 2-3 & 1-2 & 1-2
PR2-200 200MHz = 3x 66MHz OFF ON OFF 2-3 & 1-2 & 1-2
PR2-233 233MHz = 3.5x 66MHz OFF OFF OFF 2-3 & 1-2 & 1-2
PR2-266 266MHz= 4x 66MHz ON OFF ON 2-3 & 1-2 & 1-2
PR2-300 300MHz= 4.5x 66MHz ON ON ON 2-3 & 1-2 & 1-2
IDT C6 CPU Core
Frequency
Ratio External
Bus Clock
S1 S2 S3 JP4 & JP5 & JP6
C6-150 150MHz = 2x 75MHz ON OFF OFF 1-2 & 2-3 & 2-3
C6-180 180MHz = 3x 60MHz OFF ON OFF 1-2 & 2-3 & 1-2
C6-200 200MHz = 3x 66MHz OFF ON OFF 2-3 & 1-2 & 1-2
Clear CMOS
JP14
1-2
2-3
Clear CMOS
Normal operation
(default)
Clear CMOS