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CPU FSB Clock (Mhz)

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Name: xshingox
Date: December 30, 2005 at 22:21:47 Pacific
OS: Windows 2000 Pro
CPU/Ram: P4 2.0G/512MB
Comment:

I see this setting in BIOS.
The manual says the setting ranges from 100 to 200 (Mhz) and if not specified the CPU will run at 100 as default.
How do I know what FSB my CPU can run at?
Some system analyzer gives me the following info on my CPU:
Name: Intel P4 2.00Ghz
Code Name: Northwood
Freq: 2000MHz

How do I find out what FSB Clock value I should set to for better performance and what value that I am allowed to set to?
This is just overclocking isnt it?



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Response Number 1
Name: jam
Date: December 30, 2005 at 22:25:02 Pacific
Reply:

Your CPU either runs at 20 x 100MHz(400FSB) or 15 x 133MHz(533FSB). The multiplier cannot be changed.

CPUZ will tell you what your current settings are:

http://www.cpuid.org/cpuz.php#download

This space for rent


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Response Number 2
Name: xshingox
Date: December 30, 2005 at 22:34:29 Pacific
Reply:

Wow, CPUZ is a great little software, thanks man.


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Response Number 3
Name: DAVEINCAPS
Date: December 30, 2005 at 22:55:54 Pacific
Reply:

Yeah set the FSB at 100 mhz. Intel uses technology called 'quad pumping' to achieve an effective FSB of 400 mhz.

You may be able to overclock it from 2.0 to 2.3 gig with an FSB of 115 mhz but apparently those cpus aren't very tolerant of speeds higher than that.


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Response Number 4
Name: RichGu
Date: December 31, 2005 at 03:57:51 Pacific
Reply:

You guys really know your 'stuff'

(DAVE, jam) BAD-ASS!

Oh, and BTW...

HAPPY NEW YEAR!

Rich Gu
P4 3.2 / 1 GB PC3200
Intel MOBO
self built


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