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X
4
B
-
5
3
3
P
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s
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4
B
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5
3
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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
2.4G
2400MHz
Pentium 4
2.4G
2400MHz
Pentium 4
2.53G
2530MHz
®
Warning: Intel
400MHz (100MHz*4) / 533MHz (133MHz*4) system
bus and 66MHz AGP clock; higher clock setting may
cause serious system damage.
Clock * CPU Ratio
FSB
System
Ratio
Clock
Bus
100MHz
400MHz
133MHz
533MHz
133MHz
533MHz
100MHz
400MHz
100MHz
400MHz
100MHz
400MHz
100MHz
400MHz
133MHz
533MHz
133MHz
533MHz
845E chipset supports maximum
Willamette
CPU
Pentium 4
16x
1.5G
Pentium 4
12x
1.6G
13x
Pentium 4
1.7G
18x
Pentium 4
20x
1.8G
Pentium 4
22x
1.9G
Pentium 4
24x
2.0G
18x
19x
Note:
Northwood, would detect the clock ratio
automatically, you may not be able to
adjust the clock ratio in BIOS manually.
29
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M
CPU Core
FSB
System
Frequency
Clock
Bus
1500MHz
100MHz
400MHz
1600MHz
100MHz
400MHz
1700MHz
100MHz
400MHz
1800MHz
100MHz
400MHz
1900MHz
100MHz
400MHz
2000MHz
100MHz
400MHz
Since
the
latest
a
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u
a
l
a
n
u
a
l
Ratio
15x
16x
17x
18x
19x
20x
processor,
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