Is it possible for two different CPU on dual motherboard?

Cheapest

Senior member
Feb 15, 2000
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OK, I have the Intel L440GX+ DUAL CPU Motherboard (AA721242-008). Is it possible to put a PIII 700 and PIII 450 CPU? I cannot find any where mention this?
 

Megatomic

Lifer
Nov 9, 2000
20,127
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Neither Win2K nor WinXP support asymmetric multiprocessing so I'd guess no at least at the OS level. Most dual PIII boards I've seen and used required the same CPUs, too.
 

crypt0n1c

Junior Member
Sep 17, 2003
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Its worth a try maybe they will both just run at 450MHz but from what I have heard both cpu's need to be identical in a SMP setup.
 

mechBgon

Super Moderator<br>Elite Member
Oct 31, 1999
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440GX is more commonly associated with the PentiumII Xeon and Pentium3 Xeon. Are you positive that this is, in fact, a dual-Slot1 board, and not a dual-Slot2 board?

(and while I think it isn't impossible to run two different-speed CPUs, it would be pretty foolhardy)
 

Cheapest

Senior member
Feb 15, 2000
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OK, if it can't what about could it be use with the same speed (say PIII 700M) but different types say step 1 and 2? Let question differently, is it all we need is same speed will qualify for the broad? (Can you use Comprimise and Catman CPU with the same 500M?) Any one try?
 

mechBgon

Super Moderator<br>Elite Member
Oct 31, 1999
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Big picture: a dual P3 500 will be trounced by a used $20 1GHz Duron in most situations (gaming, etc). Don't throw too much money down this hole. ;)

And running different CPUs of the same speed is not a great plan. If you have two with the same speed, same core, and no more than one stepping apart, then you're playing by The Rules.
 

Cheapest

Senior member
Feb 15, 2000
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Isn't some game good for dual 500MB CPU because of the dynamic of multi-thread benifit of the two CPU instead of one 1GB CPU???