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A
X
4
B
E
A
X
4
B
E
Core Frequency = CPU
FSB
PCI Clock = CPU FSB Clock / Clock Ratio
AGP
Clock = PCI Clock x 2
CPU Core
Northwood CPU
Frequency
Pentium 4 1.6G
1600MHz
Pentium 4 1.6G
1600MHz
Pentium 4 1.7G
1700MHz
Pentium 4 1.8G
1800MHz
Pentium 4 2.0G
2000MHz
Pentium 4 2.2G
2200MHz
Pentium 4 2.26G
2260MHz
Pentium 4 2.4G
2400MHz
Pentium 4 2.4G
2400MHz
Pentium 4 2.53G
2530MHz
Pentium 4 2.66G
2660MHz
Pentium 4 2.80G
2800MHz
CPU Core
Willamette CPU
Frequency
Pentium 4 1.8G
1800MHz
Pentium 4 1.9G
1900MHz
Pentium 4 2.0G
2000MHz
Celeron CPU
CPU Core Frequency
1.7G
1700MHz
1.8G
1800MHz
Clock * CPU Ratio
FSB Clock
System Bus
100MHz
400MHz
133MHz
533MHz
133MHz
533MHz
100MHz
400MHz
100MHz
400MHz
100MHz
400MHz
133MHz
533MHz
100MHz
400MHz
133MHz
533MHz
133MHz
533MHz
133MHz
533MHz
133MHz
533MHz
FSB Clock
System Bus
100MHz
400MHz
100MHz
400MHz
100MHz
400MHz
FSB Clock
System Bus
100MHz
400MHz
100MHz
400MHz
Ratio
16x
12x
13x
18x
20x
22x
17x
24x
18x
19x
20x
21x
Ratio
18x
19x
20x
Ratio
17x
18x
28
O
n
l
i
n
e
M
a
n
u
O
n
l
i
n
e
M
a
n
u
®
Warning: Intel
845D chipset supports
maximum
533MHz
(133MHz*4)
system bus and 66MHz AGP clock;
higher
clock
setting
may
serious system damage.
a
l
a
l
cause
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