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Old 08-24-2006, 02:17 PM   #1 (permalink)
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Default Will PCI cards work in PCI-X slots?

Will PCI cards work in PCI-X slots...are PCI-X slots backwards compatable?
Thanks
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Old 08-24-2006, 02:21 PM   #2 (permalink)
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Yes PCI-X is backward compatible with PCI cards.
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Old 08-24-2006, 03:31 PM   #3 (permalink)
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Just for clarification, PCI-X is a 64 bit bus variant of PCI that operates at 66-133MHz rather than 33MHz. And yes, PCI cards can be used on PCI-X interfaces and vice versa.

I assume however you are talking about PCI-Express which is written as PCI-E. PCI cards will not work in PCI-E slots and vice versa as you're looking at complete different fundamental designs

PCI-X is rare and general only found on server/workstation grade boards, and has pretty much been replaced as PCI-E for high bandwidth periphirals
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Old 08-24-2006, 04:08 PM   #4 (permalink)
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i was infact talking about PCI-X b/c i am purchasing a dual processor workstation board. and yes i understand that pci-e is different than pci-x
thanks for the info though
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