5VIA77
Jumper Setting
Internal Clock
External Clock
Ratio
300 Mhz
100 Mhz
3.0X
300 Mhz
75 Mhz
4.0X
300 Mhz
66 Mhz
4.5X
266 Mhz
75 Mhz
3.5X
266 Mhz
66 Mhz
4.0X
233 Mhz
66 Mhz
3.5X
200 Mhz
66 Mhz
3.0X
166 Mhz
66 Mhz
2.5X
¡@
Frequency
JCK2
JCK3
JCK4
AGP
PCI
66 Mhz
2-3
2-3
1-2
66 Mhz
33 Mhz
75 Mhz
1-2
2-3
2-3
75 Mhz
37 Mhz
83.3 Mhz
1-2
2-3
1-2
55 Mhz
27 Mhz
95 Mhz
1-2
1-2
2-3
62 Mhz
31 Mhz
100 Mhz
1-2
1-2
1-2
66 Mhz
33 Mhz
¡@
Ration
JP2
JP3
JP4
1.5X/3.5X
1-2
1-2
1-2
2.0X
2-3
1-2
1-2
2.5X
2-3
2-3
1-2
3.0X
1-2
2-3
1-2
4.0X
2-3
1-2
2-3
¡@
SDRAM Clock
JCK1
AGP CLK
2-3
CPU CLK
1-2
¡@
FOR PCB VER : A3
ON = Close , Off = Open
CPU Voltage
JV_L1
JV_L2
JV1(1-2, 3-4, 5-6, 7-8, 9-10, 11-12)
3.5v
ON
OFF
1-2
3.3v
ON
OFF
3-4
3.2v
OFF
ON
5-6
2.9v
OFF
ON
7-8
2.8v
OFF
ON
9-10
2.2v
OFF
ON
11-12
FOR PCB VER : A4
¡@
CPU Voltage
Jumper Setting
1-2
3-4
5-6
7-8
3.5v
ON
ON
ON
ON
3.4v
OFF
ON
ON
ON
3.3v
ON
OFF
ON
ON
3.2v
OFF
OFF
ON
ON
3.1v
ON
ON
OFF
ON
3.0v
OFF
ON
OFF
ON
2.9v
ON
OFF
OFF
ON
2.8v
OFF
OFF
OFF
ON
2.7v
ON
ON
ON
OFF
2.6v
OFF
ON
ON
OFF
2.5v
ON
OFF
ON
OFF
2.4v
OFF
OFF
ON
OFF
2.3v
ON
ON
OFF
OFF
2.2v
OFF
ON
OFF
OFF
2.1v
ON
OFF
OFF
OFF
2.0v
OFF
OFF
OFF
OFF