Jp20 k7 host clock selection – AOpen AK77-600N User Manual
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60
A
A
K
K
7
7
7
7
-
-
6
6
0
0
0
0
N
N
O
O
n
n
l
l
i
i
n
n
e
e
M
M
a
a
n
n
u
u
a
a
l
l
J
J
P
P
2
2
0
0
K
K
7
7
H
H
o
o
s
s
t
t
C
C
l
l
o
o
c
c
k
k
S
S
e
e
l
l
e
e
c
c
t
t
i
i
o
o
n
n
This jumper is used to specify the relationship of PCI and FSB clock. Generally speaking, if you are not an over-clocker, we
recommend you to set it to the default setting. Additionally, this motherboard also provides “1MHz Stepping CPU Adjustment”
feature for overclockers to adjust CPU FSB frequency via BIOS setup program. Based on the CPU type, the adjustment range
has four levels: 100~129, 130~160, 161~191 and 200-250MHz for your choosing. If you fix the CPU FSB frequency by JP20,
the “1MHz Stepping CPU Adjustment” range will be changed and follow the JP20 setting.
Pin 1
FSB100
FSB133
FSB166
FSB200
1 2
JP20 K7 Host Clock
Select Jumper