ACORP

MANUAIS DE MOTHERBOARDS ACORP

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