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Jumper Settings for Cyrix 6x86 CPUs
Cyrix CPUs
Freq.
Ratio
P120+/P133+/
2x
P150+/P166+
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.
Cyrix CPUs
P120+
P133+
P150+
P166+
JP8
Pin 1-2
Pin 3-4
O n
Off
JP6
Ext. Bus
CLK
Pin 3-4
Pin 1-2
50MHz
O n
O n
55MHz
Off
Off
60MHz
O n
Off
Off
O n
66MHz
1
2
JP6
3
4
11
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