Chapter 18. 486 Hardware Overview
The Previous Chapter
The previous chapter was for those who feel the need for a primer on cache memory. It occupies this place in the book because the next two chapters cover the 486 processor, the first IA32 processor to incorporate an integrated cache.
This Chapter
This chapter provides a description the 486 processor's hardware-related characteristics. This includes the 486 roadmap, an overview of the 486 internal architecture, an overview of the 486 FSB, the A20 Mask signal, the on-die cache, and the on-die FPU. The discussion of the A20 Mask signal is directly applicable to all subsequent IA32 processors.
The Next Chapter
This chapter provides a detailed description of the software enhancement included in ...
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