HP Deskpro EX Technical Reference Manual page 37

2.4.1.1 Celeron Processor
The Celeron processor provides economical performance and is compatible with software written
for previous generation processors such as Pentium II, Pentium MMX, Pentium, and x86
processor.. Featuring a Pentium-type core architecture with processing speeds of up to 700 MHz
and a 66-MHz front side bus (FSB) the Celeron processor offers economical yet full-featured
performance.
Key features of the Celeron processor include:
Dual-ALU CPU with floating point unit
MMX support for enhanced multimedia performance
Streaming SIMD Extension (SSE) support (566 MHz and faster)
32-KB first-level cache
On-die (full speed) 128-KB ECC second level cache
2.4.1.2 Pentium III Processor
The Intel Pentium III processor offers maximum performance for select Compaq Deskpros. The
Pentium III processor is compatible with software written for Celeron, Pentium II, Pentium MMX,
Pentium, and x86 processors. Featuring a Pentium-type core architecture with processing speeds of
up to 933 MHz and a 133-MHz front side bus (FSB) the Pentium III processor offers the highest
performance in it's class.
The Pentium III processor core integrates a dual-ALU CPU
Key features of the Pentium III processor include:
Dual-ALU CPU with floating point unit
MMX support for enhanced multimedia performance
Streaming SIMD Extension (SSE) support for higher video, audio, and speech processing
32-KB first-level cache
On-die (full speed) 256-KB ECC second level cache
Improved speculative instruction processing
Identification number
Compaq Deskpro EX Series of Personal Computers
First Edition - August 2000
Technical Reference Guide
2-13