Desktops forum

General discussion

upgrading to a P4

by mtborell / February 24, 2006 10:48 AM PST

I recently purchased a P4 with the following stats

Processor type Intel Pentium 4
Part number RK80546PG0801M
Processor markings 3.00GHZ/1M/800
Package type FC-mPGA4
Processor speed (GHz) 3
Bus speed (MHz) 800
L2 cache size (KB) 1024
Manufacturing technology (micron) 0.09
Core Stepping E0
CPUID 0F41h
Hyper-Threading Y

And the system will not boot up with it installed. Is there a possible conflict or problem with it and my motherboard?
I have an AOpen AX45-V
It's supposed to handle a 478 pin CPU socket ( Northwood/ Willamette ) P4 processor 3.0 and up.
Is there any way to test the processor before returning it to see if it is bad, or, is there a possible conlict that the board can't accept the new processor.

Please help. I do alot of wedding videos with it and i would like to have the extra speed and memory.

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RE: upgrading to a P4
by harris126 / February 24, 2006 12:12 PM PST
In reply to: upgrading to a P4

Well, it sounds like you are trying to put a Prescott CPU in a Northwood motherboard. Now, I'm just basing this on your post. I was too lazy to check out the stats on your motherboard for myself.

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I agree with harris126
by linkit / February 24, 2006 12:19 PM PST
In reply to: upgrading to a P4

Yep, that's a Prescott core CPU. Check the motherboard mfg website for a BIOS update that accommodates a Prescott...or exchange the motherboard.

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Prescott cpu with a open ax45 motherboard
by mtborell / February 26, 2006 10:43 PM PST
In reply to: I agree with harris126

I went to the manufacturers web site and downloaded several bios updates that may be correct. How can I know which is the correct one for it.
Thanks:)

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not a good sign
by linkit / February 27, 2006 2:03 AM PST

The description of the BIOS update usually will say what the update adds or fixes. If none of the descriptions says something like "adds support for Presscott CPUs," then you might be out of luck.

I'd install the latest BIOS version and give it a try. You can confirm the CPU compatability by contacting AOpen.

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