Method and apparatus for extending a local PCI bus to a remote I/O backplane
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United States of America Patent
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Jun 9, 1998
Grant Date -
N/A
app pub date -
Aug 24, 1995
filing date -
Aug 24, 1995
priority date (Note) -
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status (Latency Note)
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Abstract
A method and apparatus for extending a PCI bus interface to a remote I/O backplane through a high speed serial link, providing a large number of I/O slots to alleviate packaging requirements. The apparatus includes a local and a remote serial bridge coupled by a serial link, which is used to transceive messages. Each serial bridge may reside either on a PCI add-in card, or directly on a motherboard. The bridge uses data buffering and a handshaking request and acknowledge protocol to assure accurate and timely data transfer.
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