The Free On-line Dictionary of Computing (30 December 2018):

Pentium II Xeon
Xeon

    The successor to Intel Corporation's Pentium
   II processor.

   The Xeon has the same P6 core as existing Pentium
   Pro/Pentium II units, but it supports a 100 MHz system
   bus and offers as much as 2 MB of level 2 cache.

   (http://intel.com/PentiumII/xeon/home.htm).

   (1998-09-09)