5VIA3P
Jumper Setting

CPU Bus Frequency
¡@ JCK 1 JCK 2 JCK3
50 MHz 2-3 2-3 2-3
55 MHz 2-3 2-3 1-2
60 MHz 1-2 2-3 2-3
66 MHz 2-3 1-2 2-3
75 MHz 1-2 2-3 1-2
83 MHz 2-3 1-2 1-2

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CPU Frequency
¡@ JBF 1 JBF 2 JBF 3
1.5 x Open Open Open
2.0 x Close Open Open
2.5 x Close Close Open
3.0 x Open Close Open
3.5 x Open Open Open
JPW1- CPU Voltage Selector
CPU TYPE Description CPU Voltage JPW1
Intel P54C 3.3 V Vcore = 3.3 V
V I/O = 3.3 V		 1-2
AMD K5
Cyrix 6x86 M1		 3.50 V Vcore = 3.45 ~ 3.6V
V I/O = the same		 3-4
Intel P55C
AMD K6
Cyrix M2/L		 2.8 V Vcore = 2.8 ~ 2.9V
V I/O = 3.3 V		 5-6
AMD K6 3.2 V Vcore = 3.2
V I/O = 3.3 V 		7-8

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JV1 , JV2 - CPU Voltage Selector
Dcscription JV 1 JV 2
P54C Open 1-2 , 3-4
P55C/Dual Voltage
( Default )		 1-2 , 3-4 Open