from
The Free On-line Dictionary of Computing (8 July 2008)
Pentium III
Pentium 3
<processor, Intel> The {microprocessor} that was {Intel
Corporation}'s successor to the {Pentium II}, introduced in
1999 with a 500 {MHz} {clock rate}. The Pentim III is very
similar to the Pentium II in architecture. Its external {bus}
can be clocked at 100 or 133 MHz, it can have up to 512 {KB}
of {secondary cache}, and it comes in various packages
including {SECC2} and {FC-PGA}.
The Pentium III has a {P6} {Dynamic Execution}
{microarchitecture}, a {multi-transaction system bus}, and
{MMX}, like the Pentium II. It adds {Dual Independent Bus}
(DIB) Architecture, the {Intel Processor Serial Number},
Internet {Streaming SIMD Extensions}, 70 new instructions.
Some versions also include an {Advanced Transfer Cache} and
{Advanced System Buffering}.
When Intel released a 1.13 {GHz} version of the Pentium III
processor using a 0.18 {micron} fabrication process on
2000-07-31, it was the world's highest performance
microprocessor for PCs.
(http://intel.com/PentiumIII).
(2000-10-05)