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26
A
A
X
X
4
4
5
5
H
H
-
-
8
8
X
X
/
/
A
A
X
X
4
4
5
5
H
H
-
-
8
8
X
X
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
Northwood CPU
CPU Core
Frequency
FSB
Clock
System
Bus
Ratio
Pentium 4 1.6G
1600MHz
100MHz
400MHz
16x
Pentium 4 1.6G
1600MHz
133MHz
533MHz
12x
Pentium 4 1.7G
1700MHz
133MHz
533MHz
13x
Pentium 4 1.8G
1800MHz
100MHz
400MHz
18x
Pentium 4 2.0G
2000MHz
100MHz
400MHz
20x
Pentium 4 2.2G
2200MHz
100MHz
400MHz
22x
Pentium 4 2.2G
2200MHz
133MHz
533MHz
16x
Pentium 4 2.4G
2400MHz
100MHz
400MHz
24x
Pentium 4 2.4G
2400MHz
133MHz
533MHz
18x
Pentium 4 2.53G
2530MHz
133MHz
533MHz
19x
Pentium 4 2.6G
2600MHz
100MHz
400MHz
26x
Pentium 4 2.66G
2660MHz
133MHz
533MHz
20x
Pentium 4 2.8G
2800MHz
133MHz
533MHz
21x
Pentium 4 3.06G
2800MHz
133MHz
533MHz
23x
Warning:
SIS 648 chipset supports maximum 400MHz
(100MHz*4) / 533MHz (133MHz*4) system bus and
66MHz AGP clock; higher clock setting may cause
serious system damage.
Willamette
CPU
CPU Core
Frequency
FSB
Clock
System
Bus
Ratio
Pentium 4
1.5G
1500MHz
100MHz
400MHz
15x
Pentium 4
1.6G
1600MHz
100MHz
400MHz
16x
Pentium 4
1.7G
1700MHz
100MHz
400MHz
17x
Pentium 4
1.8G
1800MHz
100MHz
400MHz
18x
Pentium 4
1.9G
1900MHz
100MHz
400MHz
19x
Pentium 4
2.0G
2000MHz
100MHz
400MHz
20x
Note:
Since the latest processor, Northwood,
would detect the clock ratio automatically,
you may not be able to adjust the clock ratio
in BIOS manually.
Celeron
CPU
CPU Core
Frequency
FSB
Clock
System
Bus
Ratio
Pentium 4
1.7G
1700MHz
100MHz
400MHz
17x
Pentium 4
1.8G
1800MHz
100MHz
400MHz
18x