User Guide

28
A
A
X
X
4
4
5
5
P
P
r
r
o
o
-
-
5
5
3
3
3
3
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
Warning: Intel
®
845E 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.