is chapter has been titled ‘Pentium’, but here we will discuss the 80486 as well. In Chapter 15,
the fi rst 32-bit processor of Intel i.e., the 80386 was discussed with the aim of cracking the
intricacies of a complex processor. Once the ’386 is understood well, the ’486 and Pentium
have nothing more to it than a few ‘enhancements’. is means that the internal architecture
of the ’486 and Pentium is more or less the same as that of the ’386. ey have the same mem-
ory management unit, protection mechanisms and multitasking units as we have discussed in
Chapter 15. us, a discussion on these features is redundant and we will ...
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