User Guide

Hardware Installation
2-10
JP3 & JP4
1 2 3
50MHz
JP3 & JP4
1 2 3
60MHz
JP3 & JP4
1 2 3
66MHz
Caution: The below table lists the possible
settings only for the current CPUs on the
market. The settings may vary in case there is
a new CPU product introduced in the market.
See your CPU specifications for details.
Intel Pentium CPU Core
Frequency
Ratio External Bus
Clock
JP1 & JP2 JP3 & JP4
P54C 75 75MHz = 1.5x 50MHz 1-2 & 1-2 2-3 & 2-3
P54C 90 90MHz = 1.5x 60MHz 1-2 & 1-2 1-2 & 2-3
P54C 100 100MHz = 1.5x 66MHz 1-2 & 1-2 2-3 & 1-2
P54C 120 120MHz = 2x 60MHz 2-3 & 1-2 1-2 & 2-3
P54C 133 133MHz = 2x 66MHz 2-3 & 1-2 2-3 & 1-2
P54C 150 150MHz = 2.5x 60MHz 2-3 & 2-3 1-2 & 2-3
P54C 166 166MHz = 2.5x 66MHz 2-3 & 2-3 2-3 & 1-2
P54C 200 200MHz = 3x 66MHz 1-2 & 2-3 2-3 & 1-2
Intel Pentium
P55C
CPU Core
Frequency
Ratio External Bus
Clock
JP1 & JP2 JP3 & JP4
PP/MT 150 150MHz = 2.5x 60MHz 2-3 & 2-3 1-2 & 2-3
PP/MT 166 166MHz = 2.5x 66MHz 2-3 & 2-3 2-3 & 1-2
PP/MT 200 200MHz = 3x 66MHz 1-2 & 2-3 2-3 & 1-2
PP/MT 233 233MHz = 3.5x 66MHz 1-2 & 1-2 2-3 & 1-2
IDT C6 CPU Core
Frequency
Ratio External Bus
Clock
JP1 & JP2 JP3 & JP4
WinChip 180 180MHz = 3x 60MHz 1-2 & 2-3 1-2 & 2-3
WinChip 200 200MHz = 3x 66MHz 1-2 & 2-3 2-3 & 1-2