The Previous Chapter
This chapter provided a description of the Pentium® III processor's hardware design characteristics. This included:
One product = three product lines.
Pentium® II/Pentium® III differences.
The Pentium® III/Xeon/Celeron roadmap.
The L1 Caches.
The L2 Cache.
The Data Prefetcher.
SSE introduced.
The WCBs were enhanced.
Additional Writeback Buffers.
SpeedStep Technology.
This Chapter
This chapter provides a detailed description of the software enhancements introduced in the Pentium® III processor. This discussion is directly applicable to all subsequent IA32 processors. It includes:
The Streaming SIMD Extensions (SSE).
The SIMD FP exception.
The Serial Number feature. This feature was discontinued with the advent of the Pentium® 4 processor.
CPUID Enhanced.
Brand Index feature.
The Next Chapter
This chapter provides a description of the Xeon processor based on the Pentium® III technology. It includes:
The processor's basic characteristics.
The Page Attribute Table (PAT) feature.
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