Multiple Processors :: How much alike do they have to be?

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Multiple Processors :: How much alike do they have to be?

Postby EdFlesh » Sun May 19, 2002 2:43 pm

Looking to add the second processor to one of my computers and have seen previous posts stating that multiple processors need to be the same make. Does this mean that a P3 550 with 265K cache cannot be paired with a P3 550 having 512K cache? Also, what makes the difference if the instruction sets are comparable?

Thanks for the help,

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Postby Hardware Junkie » Sun May 19, 2002 3:15 pm

Some boards will not function unless the processors match, though I have seen cases where processors were under/overclocked and they worked fine.
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Postby jeffa469 » Mon May 20, 2002 2:30 pm

If you're serious about going Dual Proc, I'd order from a Vendor that'll mount both CPUs on the motherboard and test it before sending it to you. A mismatch in Cache size would seem sure to cause problems, the less alike the two processors are, the more unstable your PC will be. I'm assuming you are running some Major App that really does use Dual Proc's, apps that don't may actually run a hair slower on a Dualie.
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