February 2003
Intermediate to advanced
592 pages
11h 47m
English
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Chapter 17. Double-Hosted Chains
The Previous Chapter
The previous chapter described the configuration of devices that use the HyperTransport technology type 1 configuration header for bridges. Such devices include HyperTransport-to-HyperTransport bridges and bridges to other PCI compatible protocols (e.g. HyperTransport-to-PCI or PCI-X). The basic architecture of a HyperTransport-to-HyperTransport bridge is reviewed and the configuration header fields are described. Differences in usage of bit fields by HyperTransport bridge interfaces vs. PCI bridge interfaces are emphasized. The format of PCI compatible bridge headers is formally defined in the PCI-to-PCI Bridge Architecture Specification, Revision 1.1.
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