System Board
1-9
Table 1-3
CPU Core Voltage Select
JP24
JP25
Vcore
OPEN
2-3
1-2 or 2-3
3.52V
3.3V
OPEN
3-4
1-2, 3-4
3-4
2.9V
2.7V
2.5V
Table 1-4
Bus Frequency Select
SW1
1
2
Bus Frequency
ON
ON
50 MHz
ON
OFF
60 MHz
OFF
ON
66 MHz
Table 1-5
CPU Core/Clock Ratio Select
SW1
3
4
P54C
M1
K5
ON
ON
5/2
1/1
OFF
OFF
3/2
3/1
3/2
ON
OFF
2/1
2/1
1/1
OFF
ON
3/1
4/1
Table 1-6
SB
1
/Password Function Select
SW1
5
6
Setting
Disable SB
Bypass password
ON
1 Sound Blaster
