User`s manual
21
Warning:
1. JP6 is for Cache Burst Mode Select.
When using an AMD processor, you have
to set JP6 to Off for interleave burst.
2. The default setting of JP3, JP5 and
JP14 is 3.3V. If the voltage of your pro-
cessor is not 3.3V, make sure you set
JP3, JP5 and JP14 according to the volt-
age of your processor, otherwise, your
system will hang.
Jumper Settings for AMD-K5 Processors
* Default
2-3 On
2-3 On
1-2 On
2-3 On
1-2 On
P-Rating/Core MHz
PR75/75MHz
PR90/90MHz
PR100/100MHz
PR120/90MHz
PR133/100MHz
Ext. Bus
CLK
50MHz
60MHz
66MHz
60MHz
66MHz
JP4
3-4 On, 7-8 On
3-4 On, 5-6 On
5-6 On
3-4 On, 5-6 On
5-6 On
JP9
JP10
JP11
2-3 On
1-2 On
2-3 On
1-2 On
2-3 On
2-3 On
2-3 On
2-3 On
2-3 On
2-3 On
JP4
2
1
7 8
Processor Voltage
3.3V* (VR/STD)
3.5V (VRE)
2.9V
2.8V (6x86L)
2.7V
1
2
JP5
7
8
JP3
1
2
5
6
1
2
3
4
JP14
JP14
JP5
All Off
JP3
All Off
5-6 On
3-4 On
1-2 On
3-4 On
5-6 On
7-8 On
3-4 On
5-6 On
7-8 On
1-2 On
1-2 On
1-2 On
1-2 On
3-4 On
1-2 On
1-2 On
1-2 On
JP6
Off
On
Processors
Intel
/AMD-K5
Cyrix
/IBM
JP6
1
2
P-Rating/Core MHz
PR75/75MHz
PR90/90MHz
PR100/100MHz
PR120/90MHz
PR133/100MHz
Freq. Ratio
1.5x
JP1
1-2 On
JP2
1-2 On
JP9
JP10
JP11
123
JP1JP2
1
2
3
1
2
3