User Guide

Hardware Installation
2-5
2.2.1 Setting the CPU Voltage
JP7
1-2
3-4
5-6
7-8
9-10
11-12
CPU Core Voltage (Vcore)
3.45V (default for P54C)
3.52V (Cyrix or AMD)
2.9V (AMD K6)
2.8V (PP/MT P55C)
2.7V
2.5V
JP7 is used to select CPU core voltage
(Vcore), normally it is set to default
3.45V for INTEL Pentium P54C. It must
be changed if you have CPU with
different core voltage, such as INTEL
PP/MT (P55C), AMD K5/K6 and Cyrix
6x86, refer to the CPU specification for
more details.
JP7
1
3
5
7
9
11
2
4
6
8
10
12
3.45V
(default for
P54C)
JP7
1
3
5
7
9
11
2
4
6
8
10
12
3.52V
(Cyrix 6x86
or AMD K5)
JP7
1
3
5
7
9
11
2
4
6
8
10
12
2.9V
(AMD K6)
JP7
1
3
5
7
9
11
2
4
6
8
10
12
2.8V
( PP/MT
P55C)
JP8
1-2
3-4
I/O Voltage (Vio)
3.45V (default)
3.52V
JP8 is reserved for test only, which sets
the voltage of onboard chipset and
PBSRAM (Vio). When you are using dual
voltage CPU, JP8 also provides CPU I/O
voltage (Vcpuio).The default is 3.45V.
JP8
1
2
3
4
3.45V
(default)
JP8
1
2
3
4
3.52V