Sw1 (4~6) Cpu Frequency Ratio - Aaeon PCM-6890 User Manual
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Also See for PCM-6890:
- User manual (132 pages) ,
- Quick installation manual (12 pages) ,
- Quick installation manual (12 pages)
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SW1 (4~6)
CPU core frequency = CPU frequency ratio (2~5.5) * External bus
clock (66 or 100 MHz)
C
P
F
R
E
Q
U
R
A
T
2
X
2
5 .
3
X
3
5 .
4
X
4
5 .
5
X
*
5
5 .
*
default
N o t e :
Most Celeron CPUs' frequency ratio are pre-locked
within the CPUs. These CPUs run at fixed speed
(frequency) regardless of the configurations listed above.
If the CPU you are using requires higher ratio then 5.5X, it
is most likely pre-locked.
38 PCM-6890 User Manual
CPU frequency ratio
U
E
N
C
Y
S
W
1
O I
O
X
O
O
X
O
O
F
X
O
F
O
F
X
O
F
(
) 4
S
W
1
N
O
F
N
O
F
N
O
N
N
O
N
F
O
F
F
O
F
F
O
N
F
O
N
(
) 5
S
W
1
F
O
F
F
O
N
O
F
O
N
F
O
F
F
O
N
O
F
O
N
(
) 6
F
F
F
F
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