User Guide

28
A
A
X
X
4
4
G
G
R
R
/
/
A
A
X
X
4
4
G
G
R
R
-
-
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
Core Frequency = CPU FSB Clock * CPU Ratio
PCI Clock = CPU FSB Clock / Clock Ratio
AGP Clock = PCI Clock x 2
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
2.4G
2400MHz 100MHz 400MHz 24x
Pentium 4
2.4G
2400MHz 133MHz 533MHz 18x
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.