I asked my DEC dealer friends, and they said the PN will be on the metal handles. If you can provide those, then he can tell u what they went to.
Cindy -----Original Message----- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of P Gebhardt Sent: Tuesday, June 07, 2016 4:51 PM To: cctalk@classiccmp.org Subject: Re: Set of mystery DEC boards: who can help me identifying these? >>the 50xxxxx number with the letter behind it could be a dec board number. > > >The 50 class could be the artwork, and the letter the board rev. If that is >the case, there is probably a 54- class on the other side of the board one >number higher. The 54 number is the board with components, and can be tracked >down, but not easily. > Thanks for this hint, Paul. I rechecked for numbers, but couldn't any 54-numbers on the boards. >>They could have been renamed by another company. > It looks very much to me like original DEC equipment. >>Any other print in the etch? > Interestingly, the prints in the etches are those I stated and all have an X prior to the actual number. >>Any pictures? > Yes, I uploaded some at http://www.digitalheritage.de/other/dec_mystery_boards/ I still have not clue what these boards are for. Any help is highly appreciated! Thanks, Pierre >> > >On Sat, May 28, 2016 at 5:51 AM, P Gebhardt <p.gebha...@ymail.com> wrote: > >Hello list, >> >>I recently got a bunch of boards from somebody who was either not able to >>tell me where they were from. >>The boards seem to be unibus-based with numbers starting with X. I neither >>came across these before, nor could find any information in the web about it: >> >>Type, P/N , Description >>X029, 5013132B, AUC interconnect >>X022, 5012197C, unibuswindow >>X021, 5012181C, CD ROM control (did that ever exist for unibus?) >> >>X020, 5012180B, data path >> >> >> >>Two 16K mos memory modules M7847 came with the set. >> >> >>No backplane, unfortunately. >>Any hints about the type of system and application these boards were for? >>Many thanks for any pointers. >> >>Wish a nice weekend to all of you, >>Pierre >> >> >>------------------------------------------------------------------------------- >> >>Pierre's collection of classic computers moved to: >>http://www.digitalheritage.de >> > > >
