Computer Network Specialist
Trivia Pursuit!
San Antonio College of Medical & Dental Assistants
Information Technology Department

The different slot keys are because there can be two different voltages for 64 bit PCI slots -- 5 volts dc and 3.3 volts dc. The 3.3 volt 64 bit PCI bus runs at 66MHz while the 5 volt 64 bit PCI bus runs at 33MHz. This enables you to place either a 32 bit PCI card or a 64 bit PCI card into the 5 volt, 33MHz 64 bit PCI slot.

And now you know...  :)

Tere Prasse
SACMDA IT Instructor

Last updated: Tuesday, March 07, 2000

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