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Jumper Settings for AMD-K5 CPUs
AMD-K5 CPUs
Freq.
Ratio
PR75 75MHz
1.5x
PR90 90MHz
PR100 100MHz
3
1
JP8
4
2
3
1
JP9
4
2
Voltage
JP9
3.3V*
1-2 On
3.5V
3-4 On
* Default
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.
12
AMD-K5 CPUs
PR75 75MHz
PR90 90MHz
PR100 100MHz
JP8
Pin 1-2
Pin 3-4
Off
Off
JP6
Ext. Bus
CLK
Pin 1-2
Pin 3-4
50MHz
O n
O n
60MHz
O n
Off
Off
O n
66MHz
1
2
JP6
3
4
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