Computer Hardware Terms, Glossary and Dictionary

The Xeon is Intel's server-class microprocessors for PCs intended for multiple-processor machines. The first Xeon processor was released in 1998 as the Pentium II Xeon as the replacement of the Pentium Pro. The Pentium II Xeon was based on the P6 microarchitecture and used either a 440GX (a dual-processor workstation chipset) or 450NX (quad-processor, or oct with additional logic) chipset, and differed from its forerunner in that it had a full-speed, off-die L2 cache. Cache sizes were 512 kB, 1 MB and 2 MB, and it used a 100 MHz bus.

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Xeon