User`s manual

17
Jumper Settings for Intel Processors
Warning:
The default setting of JP9, JP10, JP20 and JP21 is
3.3V. If the voltage of your CPU is not 3.3V, make sure
you set JP9, JP10, JP20 and JP21 according to the
voltage of your CPU, otherwise, your system will hang.
Voltages
2.5V
2.8V (MMX)
2.9V
3.3V*
3.5V (VR/VRE)
JP9
3-4 On
3-4 On
3-4 On
3-4 On
1-2 On
JP10
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
JP20
1-2 On
3-4 On
5-6 On
3-4 On
3-4 On
JP21
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
JP9
JP10
JP21
Intel Processors
75MHz
90/120/150MHz
100/133/166/200MHz
MMX-166/200MHz
Ext. Bus
CLK
50MHz
60MHz
66MHz
JP7
1-2 On, 3-4 On
1-2 On, 3-4 Off
1-2 Off, 3-4 On
Intel Processors
75/90/100MHz
120/133MHz
150/166MHz/MMX-166MHz
200MHz/MMX-200MHz
Freq. Ratio
1.5x
2x
2.5x
3x
JP12
1-2 Off, 3-4 Off
1-2 On, 3-4 Off
1-2 On, 3-4 On
1-2 Off, 3-4 On
JP12
JP7
2
4
1
3
3
1
4
2
2
4
1
3
1
2
3
4
2
4
1
3
6
5
JP20
2
4
1
3
6
5