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RE: [midatlanticretro] Re: Cool -- IBM 5100

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  • Evan Koblentz
    Thanks for all the resources, Herb. Good stuff. ... From: Herb Johnson [mailto:hjohnson@retrotechnology.com] Sent: Tuesday, April 17, 2007 12:25 PM To:
    Message 1 of 12 , Apr 17 5:26 PM
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      Thanks for all the resources, Herb. Good stuff.

      -----Original Message-----
      From: Herb Johnson [mailto:hjohnson@...]
      Sent: Tuesday, April 17, 2007 12:25 PM
      To: midatlanticretro@yahoogroups.com
      Subject: [midatlanticretro] Re: Cool -- IBM 5100

      --- "Evan Koblentz" <evan@...> wrote:
      >
      > Went to my accountant tonight to get my taxes done. On the way out, I
      > stopped dead in my tracks: almost buried under a big pile of books
      sat an
      > IBM 5100 and its 8-inch disk system! I told him, "How would YOU
      like a tax
      > donation!?" LOL, so the negotiations are just beginning.

      Since I know of a 5100 with tape drive, I was a little confused to hear this
      one had 8-inch floppy drives, as the one I know does not and I thought they
      were not supported. Turns our there are strikingly different models in this
      series, of 5100, 5110, 5120. Here's some Web
      links:

      http://oldcomputers.net/ibm5100.html
      http://oldcomputers.net/ibm5120.html
      http://www-03.ibm.com/ibm/history/exhibits/pc/pc_4.html

      My good friend and colleague Dave Dunfield has a 5100:

      http://classiccmp.org/dunfield/ibm5100/index.htm

      The Digibarn has:

      http://www.digibarn.com/collections/systems/ibm-5110/index.html

      This may help Evan identify what system he's looking at. It will be
      interesting to know the format and scheme for the floppy drives, if Evan
      wants to recover any programs or data, duplicate disks, etc. I happen to
      have a clue about floppy disk issues of the era. So I'd be curious to know
      what the disks are and their format.

      None of these systems are the "IBM PC" of 1981 of course. The earliest in
      this series goes back to 1975. It's an interesting bit of IBM history.

      Herb Johnson

      Herbert R. Johnson, New Jersey USA
      <a href="http://www.retrotechnology.com/herbs_stuff/"> web site</a> <a
      href="http://www.retrotechnology.net/herbs_stuff/"> domain mirror</a> my
      email address: hjohnson AAT retrotechnology DOTT com if no reply, try in a
      few days: herbjohnson ATT comcast DOTT net "Herb's Stuff": old Mac, SGI,
      8-inch floppy drives S-100 IMSAI Altair computers, docs, by "Dr. S-100"




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