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Mobile CPU in desktop board ?

Last response: in CPUs
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January 18, 2011 10:46:21 PM

I have a socket 478 desktop board, Biostar 945GC-M4. It has 800 mhz DDR2 memory support, a single PCI-e 16 slot... so it has a lot of features not found on other socket 478 boards.

It has the Intel 945GC chipset

The Biostar website and the manual both only reference the P4 cpu's as being compatible.

However, I was looking around and noticed that there are socket 478 mobile Core 2 Duo's with a 800mhz FSB and low enough power rating that it seems "possible" to work in my desktop computer. Example CPU's are the T7250, T7700, T7800).

Has anyone out there tried this?

Yes, I know over all performance would be better getting a new board, current generation CPU etc... I was just seeing if the swap was possible. I have seen some of these processors at a fairly low enough price to make me consider the "upgrade".

Thanks, Ken
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January 18, 2011 10:57:06 PM

They will not work. The mobile socket is Socket P while the desktop is 478. The mobile processors you listed are core 2 duo anyway.
January 18, 2011 11:21:21 PM

The CPU's I listed (and linked) are all listed on Intel's website as PPGA478, the same as the P4 I currently have installed (Northwood core).
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January 18, 2011 11:46:12 PM

Not so. If you follow THIS LINK you will see what is compatible with that motherboard. Yes, the chips you mentioned/linked are all PPGA478 but your board has a socket 478. There is a difference and they're not compatible.
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