<> Subject: Re: Ohio Scientific Model 560Z CPU (PDP-8!) <> Back in the old days, somebody or other, I'll look it up later (General <> Instruments, I believe), made an LSI which was essentially compatible <with <> the PDP8-E. GI never did the PDP-8 chip. Intersil and Harris (both 6100 and 6120) I don't believe OSI ever did a 6100 based design (por any other PDP-8 compatable chip). <You're probably thinking of the Intersil 6100, which DEC actually used <themselves in at least one product. Wps78 and DECmate series. Allison