On 5/20/03 8:36 AM, "Fran Dollinger" <fran at dollingers.com> wrote: > So, would it be uncommon to find PC-133 RAM in a 800MHz? Factory installed? > And would that piece not be compatible in a 600MHz? I have a PC-133 chip in my 600, and it works fine. 133 means it'll work in computers that require 133 or less. Brian