Indeed, you use what is at hand and what you are comfortable with. /P
On Sun, Jun 14, 2015 at 09:41:42PM +0200, Simon Claessen wrote: > as long as it is done in a way that it can be restored to its > original, i have no problems in using newer technology in older > machines. we have a alix sbc build into our tek 4002a for > demonstrational purpouses, all done without damaging or altering the > original machine. > > On 14-06-15 17:25, tony duell wrote: > > > >>The ripple on the power supplies is still going lower as we put more run > >>time on the system. The power supplies are now within spec. > > > >Capacitors reforming naturally? > > > >>Warren made an Arduino based programmable baud rate generator that works > >>for both serial ports. After some debugging, it works nicely. > > > >I am sorry, but I find that obscene!. To use more components than the rest > >of the machine > >(probably) just for the baud rate clock is ridiculous. IMHO if you are going > >to modify a > >vintage machine, particularly one as rare as a PDP12, you should use the > >components > >that were available at the time. It's not as if a programmable buad rate > >generator is hard > >to make from TTL either. In fact given the Arduino thing needed 'some > >debugging' it might > >well have taken less time to do it in hardware. > > > >-tony > > > > -- > Met vriendelijke Groet, > > Simon Claessen > drukknop.nl