12
Jumper Settings for AMD-K5 CPUs
AMD-K5 CPUs
PR75 75MHz
PR90 90MHz
PR100 100MHz
Freq.
Ratio
1.5x
Pin 1-2
Off
Pin 3-4
Off
JP8
JP8
2
1
4
3
JP9
2
1
4
3
* Default
Voltage
3.3V*
3.5V
JP9
1-2 On
3-4 On
AMD-K5 CPUs
PR75 75MHz
PR90 90MHz
PR100 100MHz
Ext. Bus
CLK
50MHz
60MHz
66MHz
Pin 1-2
On
On
Off
Pin 3-4
On
Off
On
JP6
Warning:
The default setting of JP9 is 3.3V. If
the voltage of your CPU is not 3.3V,
make sure you set JP9 according to
the voltage of your CPU, otherwise,
your system will hang.
4
2
3
1
JP6
