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Upgrading CPU on an older Mobo

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Hey guys, one of my systems at our business has been running really slow (quite frankly, it has always been slow).  It being our central PC, I have decided to do a ram and CPU upgrade since I noticed the parts were only about $50.


I'm running XP.  2gig ram arrived from Amazon for $7 and the system feels noticeably faster.


The mobo is a foxconn 661fx7mf-s.  I bought a Pentium D 935 (dual-core).  Officially, all research shows the CPU is not supported.  I jumped the gun when I saw it supported LGA775 and didn't notice it specifically noted only Pentium 4 support.  For $17.99, I am not too worried.  But I am going to try it anyway.  The mobo runs a sis661fx chipset and similar boards do support this CPU.


I know the guy who originally built this PC went pretty budget with it so I am hoping this is just an earlier model or something since it uses the same chipset.


My real question is, is there is a chance it will be supported?


If anything, the current fan runs way to fast and loud.  So I'm hoping this new heatsink/fan will do a better job at keeping the CPU cool.

Edited by neilp4453, 31 July 2015 - 09:46 PM.

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