20
JP
6
1-2 On, 3-4 O
n
1-2 On, 3-4 Of
f
1-2 Off, 3-4 O
n
Jumper Settings for AMD-K5 CPUs
JP1
1
JP
6
JP
8
JP
9
2
1
4
3
1
6
2
3
5
4
1
6
2
3
5
4
JP2
0
2
1
4
3
2
1
4
3
JP2
1
Voltag
e
2.5
V
2.8
V
2.9
V
3.3V
*
3.5
V
JP
9
1-2 O
n
1-2 O
n
1-2 O
n
1-2 O
n
3-4 O
n
JP1
1
1-3, 2-4 O
n
1-3, 2-4 O
n
1-3, 2-4 O
n
3-5, 4-6 O
n
3-5, 4-6 O
n
JP2
0
5-6 O
n
3-4 O
n
1-2 O
n
3-4 O
n
3-4 O
n
JP2
1
1-2, 3-4 Of
f
1-2, 3-4 Of
f
1-2, 3-4 Of
f
1-2, 3-4 O
n
1-2, 3-4 O
n
* Defaul
t
1
3
2
4
AMD CPU
s
PR75 75MH
z
PR90 90MH
z
PR100 100MH
z
Ext. Bus Cl
k
50MH
z
60MH
z
66MH
z
Warning
:
The default setting of JP9, JP11, JP20 and JP21 i
s
3.3V. If the voltage of your CPU is not 3.3V, mak
e
sure you set JP9, JP11, JP20 and JP21 according t
o
the voltage of your CPU, otherwise, your system wil
l
hang
.
AMD CPU
s
PR75 75MH
z
PR90 90MH
z
PR100 100MH
z
Freq. Rati
o
1.5
x
JP
8
1-2 Off, 3-4 Of
f
