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Can 32 bit PCI cards run in Densitys 64 bit PCI slots?

April 26, 2017bit cards density PCI run slots

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Can 32 bit PCI cards run in Densitys 64 bit PCI slots?

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Yes, if the cards support 3.3 volt logic interface. Most PCI cards, circa 1999 and newer, fit this specification. However, if the PCI card uses 5 volt logic interface, circa 1999 and older, then it cannot run in a 64 bit slot because of the incompatible logic interface. The PCI slot connectors are keyed in accordance to PCI Local Bus Specification to prevent installation of non-compatible cards.