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

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Baseline Error Detection and Handling

This section defines the required support for detecting and reporting PCI Express errors. Each PCI Express compliant devices must include:

  • PCI-Compatible support — required to support operating environments that have no knowledge of PCI Express.

  • PCI Express Error reporting — available to operating environments that do have knowledge of PCI Express.

PCI-Compatible Error Reporting Mechanisms

Each PCI Express must map required PCI Express error support to the PCI-related error registers. This involves enabling error reporting and setting status bits that can be read by PCI-compliant software. To understand the features available from the PCI-compatible point of view consider the error-related bits of the Command ...

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