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Table 1-2
Intel P55C/P54C CPU Clock and Voltage Jumper
Setting
CPU Clock Jumper Setting
CPU Freq.
Host Bus
Core/Bus
Freq.
Clock
(MHz)
(MHz)
Ratio
P54C/150
60
P54C/133
66
P54C/120
60
P54C/100
66
P54C/90
60
CPU Voltage Jumper Setting
CPU Type
JP19
P55C
OPEN
P54C (STD)
CLOSE
P54C (VRE)
CLOSE
Table 1-3
AMD K6/K5 CPU Clock and Voltage Jumper Setting
CPU Clock Jumper Setting
CPU Freq.
Host Bus Core/Bus
(MHz)
Freq.
Clock
(MHz)
Ratio
K6/PR233
66
K6/PR200
66
K6/PR166
66
K5/PR166
66
K5/PR133
66
K5/PR120
60
1-10
Host Clock
Jumpers
JP5
JP7/JP14
5/2
1-2
1-2
2/1
1-2
1-2
2/1
1-2
1-2
3/2
1-2
1-2
3/2
1-2
1-2
Core Voltage
JP3
JP26
CLOSE
9-10 (2.8V)
OPEN
3-4 (3.3V)
OPEN
1-2 (3.5V)
Host Clock Jumpers
JP7/
JP8/
JP14
JP15
JP5
7/2
1-2
1-2
1-2
3/1
1-2
1-2
1-2
5/2
1-2
1-2
1-2
5/2
1-2
1-2
1-2
2/1
1-2
1-2
1-2
2/1
1-2
1-2
2-3
Clock Ratio
Jumpers
JP8/JP15
JP20
JP21
2-3
2-3
2-3
1-2
2-3
1-2
2-3
2-3
1-2
1-2
1-2
1-2
2-3
1-2
1-2
H/W Monitor Voltage
JP24
JP23
1-2(2.8V)
2-3(3.3V)
--
2-3(3.3V)
--
1-2 (3.5V)
Clock Ratio
Jumpers
JP20
JP21
JP22
1-2
1-2
1-2
1-2
2-3
1-2
2-3
2-3
1-2
2-3
2-3
--
2-3
1-2
--
2-3
1-2
--
User's Guide
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