I would like to receice the PCI BUS Specification
Anyone help me ?.Thank you very much.

Hi and welcome xuantruong You could do worse than by using the PCGuide HERE (http://www.pcguide.com/ref/mbsys/buses/types/pci.htm) If that doesn't answer your query, post back with a few more specific details.

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Take nice care of yourselves - Paul
"I can resist everthing except temptation" (Oscar Wilde, I think; and me too!!)