February 2003
Intermediate to advanced
592 pages
11h 47m
English
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HyperTransport Configuration Space Format
This section describes the general format of the configuration space used by a HyperTransport functional device. The discussion here focuses on two major areas:
How a HyperTransport device is similar and different from a PCI device in its use of the generic header region of configuration space.
The use of the required and optional HyperTransport advanced capability register blocks also located in the required 256 byte configuration space.
Two Header Formats Are Used
The first one fourth (16 dwords) of any PCI configuration space is called the header. As in the case of PCI devices, HyperTransport devices use two header formats: one for HT-to-HT bridges, called header type 1, and the other for all non-bridge ...
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