18
Jumper Settings for Cyrix 6x86 and 6x86L CPUs
Cyrix CPUs
P120+
P133+
P150+
P166+
Ext. Bus
CLK
50MHz
55MHz
60MHz
66MHz
JP10
1-2 On, 3-4 On
1-2 Off, 3-4 Off
1-2 On, 3-4 Off
1-2 Off, 3-4 On
Cyrix CPUs
P120+/P133+/
P150+/P166+
Freq. Ratio
2x
JP7
1-2 On, 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
