X86-Secret : ES Zone
PII Xeon 450 512k ES  (Week 28, year 1998)   
Intel Confidential Q665ES / 48289009-0109 A4 / i'97 80523KX450512

A late sample of the Pentiul II Xeon, clocked at 450 MHz. This CPU features 512KB of L2 cache and can works in Dual, Quad or more processors. It comes in a SECC 2 cartridge like all other PII/PIII Xeon. This sample was produced in mid-98 and the 450 MHZ / 512K Xeon was launched in October, 8th 1998.