Hello from Gregg C Levine I never had the chance to post this here, but one of my reasons for joining our group, was that I was in the process of designing something to plug into a PDP-11's bus, (or an LSI-11). I never accomplished it, because I didn't have the parts here. Nor the computer either to try out my design. I've now discovered that this company, Luke International, http://www.lukechips.com/ which was formed by a group of former AMD engineers, is selling the parts someone would use to clone a PDP-11 processor. And indeed the AM2908 matches those bus specs. I also recall that the processor in question at one point in its lifespan, actually used the AM2901 family of bit-slice processors. The design is still going through the drawing board status, but now that I've found a place that sells those parts means I am much closer. Regarding those systems, if someone in the US, and preferably the NYC area has a PDP-11/53, or an LSI-11, hanging around, please contact me. ------------------- Gregg C Levine hansolofalcon(a)worldnet.att.net ------------------------------------------------------------ "The Force will be with you...Always." Obi-Wan Kenobi "Use the Force, Luke."  Obi-Wan Kenobi (This company dedicates this E-Mail to General Obi-Wan Kenobi ) (This company dedicates this E-Mail to Master Yoda )