User Guide

Hardware Installation
2-11
Caution: The following table lists possible settings of current
CPU available on the market. The correct setting may vary
because of new CPU product, refer to your CPU specification for
more details.
INTEL
Pentium
CPU Core
Frequency
Ratio External
Bus Clock
S1 S2 S3 JP4,JP5,JP6,JP7
P54C 100 100MHz = 1.5x 66MHz OFF OFF OFF 1-2 & 2-3 & 2-3 & 1-2
P54C 133 133MHz = 2x 66MHz ON OFF OFF 1-2 & 2-3 & 2-3 & 1-2
P54C 166 166MHz = 2.5x 66MHz ON ON OFF 1-2 & 2-3 & 2-3 & 1-2
P54C 200 200MHz = 3x 66MHz OFF ON OFF 1-2 & 2-3 & 2-3 & 1-2
INTEL
Pentium
MMX
CPU Core
Frequency
Ratio External
Bus Clock
S1 S2 S3 JP4,JP5,JP6,JP7
PP/MT 166 166MHz = 2.5x 66MHz ON ON OFF 1-2 & 2-3 & 2-3 & 1-2
PP/MT 200 200MHz = 3x 66MHz OFF ON OFF 1-2 & 2-3 & 2-3 & 1-2
PP/MT 233 233MHz = 3.5x 66MHz OFF OFF OFF 1-2 & 2-3 & 2-3 & 1-2
Cyrix 6x86
& 6x86L
CPU Core
Frequency
Ratio External
Bus Clock
S1 S2 S3 JP4,JP5,JP6,JP7
P166+ 133MHz = 2x 66MHz ON OFF OFF 1-2 & 2-3 & 2-3 & 1-2
P200+ 150MHz = 2x 75MHz ON OFF OFF 1-2 & 1-2 & 2-3 & 1-2
Cyrix M2 CPU Core
Frequency
Ratio External
Bus Clock
S1 S2 S3 JP4,JP5,JP6,JP7
MX-PR200 166MHz =
150MHz=
2.5x
2x
66MHz
75MHz
ON
ON
ON
OFF
OFF
OFF
1-2 & 2-3 & 2-3 & 1-2
1-2 & 1-2 & 2-3 & 1-2
MX-PR233 200MHz =
166MHz=
3x
2x
66MHz
83.3MHz
OFF
ON
ON
OFF
OFF
OFF
1-2 & 2-3 & 2-3 & 1-2
1-2 & 2-3 & 1-2 & 1-2
MX-PR266 233MHz = 3.5x 66MHz OFF OFF OFF 1-2 & 2-3 & 2-3 & 1-2
MX-PR300 225MHz=
233MHz=
3x
3.5x
75MHz
66MHz
OFF
OFF
ON
OFF
OFF
OFF
1-2 & 1-2 & 2-3 & 1-2
1-2 & 2-3 & 2-3 & 1-2
IDT C6 CPU Core
Frequency
Ratio External
Bus Clock
S1 S2 S3 JP4,JP5,JP6,JP7
C6-150 150MHz = 2x 75MHz ON OFF OFF 1-2 & 1-2 & 2-3 & 1-2
C6-200 200MHz = 3x 66MHz OFF ON OFF 1-2 & 2-3 & 2-3 & 1-2
AMD K5 CPU Core Ratio External S1 S2 S3 JP4,JP5,JP6,JP7