X86-Secret : ES Zone
Itanium 667 4M ES  (Week 21, Year 2000)   
80541KZ6674M QU36 ES / I021151U-0093 A04 / i'00 667/133

This sample was produced one year before the official launch of the Itanium, codenamed "Merced". It was produced before the QS (Qualification Sample) and in the same time than other clock frequency like 733. It features an L3 cache of 4 MB and uses a front side bus clocked at 133 MHz.