Setting The Cpu Voltage - AOpen AX59PRO User Manual

2.2.1 Setting the CPU Voltage

S4 S5 S6
ON ON ON
OFF ON ON
OFF OFF ON
ON OFF OFF
OFF OFF OFF
OFF OFF ON
OFF ON OFF
ON
1 2 3 4
3.52V
6x86 or K5
ON
1 2 3 4
3.45V
P54C
ON
1 2 3 4
3.3V
IDT C6
S7 S8 Vcore
ON OFF 3.52V
ON OFF 3.45V
ON OFF 3.2V
ON OFF 2.9V
ON OFF 2.8V
OFF OFF 2.4V
OFF OFF 2.2V
5 6 7 8
5 6 7 8
5 6 7 8
Hardware Installation
SW1 is used to select CPU core
voltage (Vcore) and ratio, there
are totally eight switches on the
DIP. After installing CPU, set
the switch 4-8 to specify a
proper Vcore.
ON
1 2 3 4 5 6 7
3.2V
K6-233
ON
1 2 3 4 5 6 7
2.9V
K6-166/200 or M2
ON
1 2 3 4 5 6 7
2.8V
P55C (MMX)
ON
1 2 3 4 5 6 7
2.4V
K6-2 400/450 and K6-III
ON
1 2 3 4 5 6 7
2.2V
K6-266/300 and K6-2
8
8
8
8
8
2-5