Can two Identical devices be present on the same bus in any PCI Topology

Posted by vaibbhav on Super User See other posts from Super User or by vaibbhav
Published on 2010-06-10T08:10:10Z Indexed on 2010/06/10 12:54 UTC
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As per the PCI standard, devices are identified on the basis of Vendor Id, Device Id and the bus no. All devices of same type have identical vendor id and device id. If I put two such devices on the same bus say bus 0. How will the PCI Software Subsystem distinguish between the two?

If such a case is not possible in PCI, then can such thing be possible through PCI Express Switch?

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Can two Identical devices be present on the same bus in any PCI Topology

Posted by vaibbhav on Server Fault See other posts from Server Fault or by vaibbhav
Published on 2010-06-10T08:10:10Z Indexed on 2010/06/10 8:13 UTC
Read the original article Hit count: 329

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As per the PCI standard, devices are identified on the basis of Vendor Id, Device Id and the bus no. All devices of same type have identical vendor id and device id. If I put two such devices on the same bus say bus 0. How will the PCI Software Subsystem distinguish between the two?

If such a case is not possible in PCI, then can such thing be possible through PCI Express Switch?

© Server Fault or respective owner

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