Hardware Configuration
13
Jumper Settings
JP1 – CMOS RAM
Clear Selector*
Description
Setting
Normal Mode
3
1
Clear CMOS
(default)
3
1
JP4 – DIMM Voltage
Selectors**
Voltage
Selectors
Setting
5V
1
5V
3.3V
3.3V
(default)
1
5V
3.3V
JP3 – CPU Type Selector
CPU
Setting
Example
P55C
(Dual Voltage)
(default)
A B
1
Intel MMXª,
AMD K6, IBM/Cyrix
6x86L/6x86MX(M2)
P54C
(Single Voltage)
A B
1
Intel P54C, IDT C6, AMD K5,
IBM/Cyrix 6x86
JP6 – CPU Core Voltage Selectors
E
A B C D
F
A B C D E F
A B C D E F
A B C D E F
A B C
E
D
F
E
A B C D
F
E F
A B C D
2.5V
3.2V
3.3V
3.5V
2.9V
2.8V
(default)
Vcc
Setting
Vcc
Setting
2.2V
Vcc
Setting
*
Make sure that the setting is set to Normal Mode before installing the
mainboard.
** The setting must be set to 3.3V position for all Synchronous DRAM.