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5450Re: [midatlanticretro] building new vintage hardware (was 680..)

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  • B Degnan
    May 7, 2007
    • 0 Attachment
      Dan,
      Did you get your Altair 680 working?
      Bill
      >
      > I started designing a S-100 layout this past weekend to make some memory
      > cards. I was going to try both, one with vintage components and one
      > using new components. Istill have to pick a reasonable PCB house to make
      > the cards. I found a couple of places that still sell the S-100 edge
      > connectors so I was going to look into making the extender card for the
      > Altair680(it's the same connector--different pinout)
      >
      > =Dan
      >
      > [ My Corner of Cyberspace http://ragooman.home.comcast.net/ ]
      >
      >
      >
      > Bryan Pope wrote:
      >>
      >> Bob Applegate wrote:
      >> > I meant non-vintage as-in using more current parts, such as
      >> > any of the 64Kx8 RAM chips out there. I'd never resort to
      >> > 2102s again! 2114s, maybe (1Kx4 bits). Another example is
      >> >
      >> Hey... I just used a few 2114's to repair a couple of C= 4040 drives I
      >> have. :)
      >>
      >> > using a small CPLD instead of lots of discrete TTL. The
      >> > CPLD is cheaper, more flexible, easier to debug, but definitely
      >> > not a 1970s device.
      >> >
      >> >
      >> There is quite a few people remaking vintage hardware using FPGA type
      >> devices like here: http://home.freeuk.com/fpgaarcade/
      >> <http://home.freeuk.com/fpgaarcade/>
      >>
      >> Cheers,
      >>
      >> Bryan
      >>
      >> > I don't know that the 680's expansion pins are, but you can
      >> > probably add 64K of RAM with just a couple of parts now if
      >> > you're willing to veer away from pure vintage. The software
      >> > you run is still vintage, as is the base machine, and that's
      >> > the important part from my viewpoint. My KIM-1s are all
      >> > vintage, but I use newer parts to enhance them.
      >> >
      >> > Bob
      >> >
      >> >
      >>
      >>
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      >> 10:34 AM
      >>
      >
      >
      >
      > Yahoo! Groups Links
      >
      >
      >
      >


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