Chapter 25. MicroCode Update Feature

The Previous Chapter

This chapter provided a detailed description of the software enhancements incorporated in the Pentium® Pro processor. This discussion is directly applicable to all subsequent IA32 processors. It included:

  • PAE-36 Mode.

  • Global Pages.

  • APIC Enhancements.

  • SMM Enhancement.

  • The Memory Type and Range Registers (MTRRs).

  • The MCA.

  • The Performance Counters.

  • The MSRs.

  • Instruction Set Changes.

  • New/Altered Exceptions.

This Chapter

This chapter provides a detailed description of the Microcode Update feature (also referred to as the BIO Update feature). This discussion is directly applicable to all subsequent IA32 processors.

The Next Chapter

This chapter provides an overview of the Pentium® II processor's hardware ...

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