-----Original Message----- From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of william degnan Sent: Wednesday, October 12, 2016 8:04 AM To: General Discussion: On-Topic and Off-Topic Posts <cctalk@classiccmp.org> Subject: Re: Mark-8 opinion question
-------- Original message -------- From: william degnan <billdeg...@gmail.com> Date: 2016-10-12 7:33 AM (GMT-08:00) To: "General Discussion: On-Topic and Off-Topic Posts" < cctalk@classiccmp.org> Subject: Re: Mark-8 opinion question My opinion...build it right using a reasonable set of parts from the era or just leave the boards alone. I would be wary of winging it. b On Wed, Oct 12, 2016 at 10:56 AM, Brad H < vintagecompu...@bettercomputing.net> wrote: > > > That's pretty much my attitude. I would never even consider building > these without correct, vintage parts. And I can already see a number > of show stoppers.. including the 8263s. I have some of those but > they're all > 1977 vintage, which is okay for a clone but totally wrong otherwise. > > > >Basically you're in the position of having to source all of the parts from >that boards year, or earlier. Then buy solder >from 1974. When will it end? >How perfect? Then what do you have? This subject has come up before. >If I was really into this project (I already have plenty!)...I'd make an >exhibit featuring the unpopulated boards next to a >replica that is running >with a teletype.. >b I think there is a tiny bit of leeway. I have read of Mark-8s that were built as late as 1976. This is kind of where all this stuff gets fuzzy. Is a 1974 Mark-8 project built in 1976 an 'original'? Then supposing you have a 1974 unit and one of the hard to replace chips dies.. I think standard practice is to replace it with whatever is available to get it working while keeping the original for show. So there's a bit of wiggle room there also. But taking a soldering iron to those pristine boards. That's where I feel a line being drawn. I kind of like your idea. As a matter of fact, I just bought an ASR33 which is arriving today.
