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The Unabridged Pentium 4 IA32 Processor Genealogy by Bob Colwell, Tom Shanley

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Chapter 12. 386 Demand Mode Paging

The Previous Chapter

This chapter provided a detailed description of how the processor handles automatic task switching. It also covered Linked Tasks, Linkage Modification, the Busy Bit, and address mapping issues.

This Chapter

This chapter provides a complete description of 386-style demand mode paging. This discussion is also directly applicable to all subsequent IA processors. Table 12-5 on page 244 provides linkage to all of the paging-related enhancements that appeared in subsequent IA32 processors.

Table 12-5. Paging Evolution
ProcessorEnhancementDescribed in
486Write Protect featureA complete description can be found in “The Write Protect Feature” on page 450.
Caching RulesA complete description can be found ...

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