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PCI Express System Architecture by MindShare, Inc, Ravi Budruk, Don Anderson, Tom Shanley

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Introduction to PCI Express Error Management

PCI Express defines a variety of mechanisms used for checking errors, reporting those errors and identifying the appropriate hardware and software elements for handling these errors.

PCI Express Error Checking Mechanisms

PCI Express error checking focuses on errors associated with the PCI Express interface and the delivery of transactions between the requester and completer functions. Figure 10-1 on page 357 illustrates the scope of the error checking that is the focus of this chapter. Errors within a function that do not pertain to a given transaction are not reported through the error handling procedures defined by the PCI Express specification, and it is recommended that such errors be handled using ...

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