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Functional Description 4–1
4
Functional Description
This chapter describes the functional operation of the AlphaPC 164SX. The descrip-
tion introduces the 21174 core logic chip and describes its implementation with the
21164PC microprocessor, its supporting memory, and I/O devices. Figure 1–1 shows
the AlphaPC 164SX major functional components.
Bus timing and protocol information found in other data sheets and reference docu-
mentation is not duplicated. See Appendix A for a list of supporting documents and
order numbers.
Note: For detailed descriptions of bus transactions, chip logic, and operation,
refer to the Alpha 21164PC Microprocessor Hardware Reference Man-
ual and the 21174 Core Logic Chip Technical Reference Manual. For
details of the PCI interface, refer to the PCI System Design Guide.