AMD PCM-5862, Manual, Page: 21 / 99

Chapter 2 Installation 15
System/PCI clock setting
System 50MHz 50MHz 60MHz *66MHz 75MHz
PCI 25MHz 33.3MHz 30MHz *33.3MHz 32MHz
1 3 5 1 3 5 1 3 5 1 3 5 1 3 5
J1
2 4 6 2 4 6 2 4 6 2 4 6 2 4 6
1 3 5 1 3 5 1 3 5 1 3 5 1 3 5
J2
2 4 6 2 4 6 2 4 6 2 4 6 2 4 6
CPU frequency ratio
1.5 *2 2.5 3
1 3 5 1 3 5 1 3 5 1 3 5
J4
2 4 6 2 4 6 2 4 6 2 4 6
P55C enabled/disabled
P55C enabled *P55C disabled
1 3 5 1 3 5
J4
2 4 6 2 4 6
* default setting
CPU voltage setting (J3)
J3 must be set to match the CPU type. The chart below shows the
proper jumper settings for their respective V
cc (core)
. (The V
cc (I/O)
for CPU is fixed to be 3.3V)