On Tue, 10 Oct 2006, John Holden wrote: > Um, depends what you mean by thrust. It was originally designed for a > 11/45 where bus activity would have been a fare indication of machine > load since all memory and i/o used the unibus (I'm excluding the effects > of fastbus memory on 11/50 and 55's). According to the article, it was indeed for the 11/45. -- Dave