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Jumper Settings for AMD-K5 CPUs
P-Rating/Core MHz
PR75/75MHz
PR90/90MHz
PR100/100MHz
PR120/90MHz
PR133/100MHz
Ext. Bus
CLK
50MHz
60MHz
66MHz
60MHz
66MHz
JP10
1-2 On, 3-4 On
1-2 On, 3-4 Off
1-2 Off, 3-4 On
1-2 On, 3-4 Off
1-2 Off, 3-4 On
P-Rating/Core MHz
PR75/75MHz
PR90/90MHz
PR100/100MHz
PR120/90MHz
PR133/100MHz
Freq. Ratio
1.5x
JP7
1-2 Off, 3-4 Off
* Default
Warning:
The default setting of JP4, JP5, JP6 and
JP9 is 3.3V. If the voltage of your CPU is
not 3.3V, make sure you set JP4, JP5, JP6
and JP9 according to the voltage of your
CPU, otherwise, your system will hang.
Voltages
2.7V
2.8V
2.9V
3.3V*
3.5V
JP4
3-4 On
3-4 On
3-4 On
3-4 On
1-2 On
JP5
1-3, 2-4 On
1-3, 2-4 On
1-3, 2-4 On
3-5, 4-6 On
3-5, 4-6 On
JP6
5-6 On
3-4 On
1-2 On
3-4 On
3-4 On
JP9
1-2, 3-4 Off
1-2, 3-4 Off
1-2, 3-4 Off
1-2, 3-4 On
1-2, 3-4 On
JP5
JP6
JP7
1
3
2
4
JP10
1
2
3
4
JP4
1
3
2
4
1 3 5
6
2 4
1
6
2
3 5
4
JP9
4
2
3
1
