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Groups > comp.os.cpm > #3747

Xerox 820 (was Disposing of some CP/M stuff)

From jeffj@panix.com (Jeff Jonas)
Newsgroups comp.os.cpm
Subject Xerox 820 (was Disposing of some CP/M stuff)
Date 2014-04-23 23:14 -0400
Organization Jeff's House of Electronic Parts
Message-ID <lj9vi9$mvn$1@panix5.panix.com> (permalink)
References <liiejl$p78$1@speranza.aioe.org> <1q2ja87b0andl$.oh2g2311v6sd$.dlg@40tude.net> <bro8t9FpptaU1@mid.individual.net> <ki0ka8joyai4.1f1jqwwyfnuik$.dlg@40tude.net>

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> The complete machine was to expensive and heavy to buy it from Italy
> so just bought the motherboard

Excellent!
Perhaps you know how to diagnose a DRAM failure?
Mine halts upon power up with a DRAM error
with no clue what chip, address or bit is in error.
The CPU is soldered onto the motherboard
so I cannot use my in circuit emulator :-(

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Thread

Disposing of some CP/M stuff Gary Oliver <gtc@lightspeed.ca> - 2014-04-14 21:03 -0800
  Re: Disposing of some CP/M stuff Enrico Lazzerini <elazzerini@interfree.it> - 2014-04-16 22:19 +0200
  Re: Disposing of some CP/M stuff Jay_in_Dallas <jay.c.box@earthlink.net> - 2014-04-21 18:43 -0500
    Re: Disposing of some CP/M stuff jeffj@panix.com (Jeff Jonas) - 2014-04-21 22:18 -0400
      Re: Disposing of some CP/M stuff bill@server3.cs.scranton.edu (Bill Gunshannon) - 2014-04-22 14:57 +0000
        Re: Disposing of some CP/M stuff Enrico Lazzerini <elazzerini@interfree.it> - 2014-04-23 00:10 +0200
          Re: Disposing of some CP/M stuff bill@server2.cs.scranton.edu (Bill Gunshannon) - 2014-04-22 22:31 +0000
            Re: Disposing of some CP/M stuff Enrico Lazzerini <elazzerini@interfree.it> - 2014-04-23 23:01 +0200
              Xerox 820 (was Disposing of some CP/M stuff) jeffj@panix.com (Jeff Jonas) - 2014-04-23 23:14 -0400
  Re: Disposing of some CP/M stuff Jay_in_Dallas <jay.c.box@earthlink.net> - 2014-04-22 01:55 -0500
  Re: Disposing of some CP/M stuff Jay_in_Dallas <jay.c.box@earthlink.net> - 2014-04-22 03:31 -0500
  Re: Disposing of some CP/M stuff Jay_in_Dallas <jay.c.box@earthlink.net> - 2014-04-22 03:33 -0500
    Re: Disposing of some CP/M stuff Roger Ivie <rivie@ridgenet.net> - 2014-04-22 07:38 -0500
      Re: Disposing of some CP/M stuff Torfinn Ingolfsen <tingo@home.no> - 2014-04-22 21:17 +0200
  Re: Disposing of some CP/M stuff Jay_in_Dallas <jay.c.box@earthlink.net> - 2014-04-22 14:23 -0500
  Re: Disposing of some CP/M stuff Jay_in_Dallas <jay.c.box@earthlink.net> - 2014-04-22 14:24 -0500
    SB180 (was: Disposing of some CP/M stuff) jeffj@panix.com (Jeff Jonas) - 2014-04-23 23:30 -0400
  Re: Disposing of some CP/M stuff Jay_in_Dallas <jay.c.box@earthlink.net> - 2014-04-23 09:33 -0500
  Re: Disposing of some CP/M stuff Jay_in_Dallas <jay.c.box@earthlink.net> - 2014-04-24 12:14 -0500
    Re: Disposing of some CP/M stuff retrogear <larrygr510@gmail.com> - 2014-04-24 13:39 -0700
    Re: Disposing of some CP/M stuff Rob Doyle <radioengr@gmail.com> - 2014-04-25 14:10 -0700
      Re: Disposing of some CP/M stuff Ole Christensen <ole2@oboj.net> - 2014-04-26 00:29 +0200
        Re: Disposing of some CP/M stuff retrogear <larrygr510@gmail.com> - 2014-04-25 17:15 -0700
      Re: Disposing of some CP/M stuff Steven Hirsch <snhirsch@gmail.com> - 2014-04-26 09:15 -0400
  Re: Disposing of some CP/M stuff Jay_in_Dallas <jay.c.box@earthlink.net> - 2014-04-28 10:41 -0500
  Re: Disposing of some CP/M stuff V1050 <still.christ1@gmail.com> - 2014-05-02 23:51 -0700
  Re: Disposing of some CP/M stuff V1050 <still.christ1@gmail.com> - 2014-05-02 23:53 -0700
    Re: Disposing of some CP/M stuff Gary Oliver <gtc@lightspeed.ca> - 2014-05-03 13:15 -0800
      Re: Disposing of some CP/M stuff V1050 <still.christ1@gmail.com> - 2014-05-03 15:09 -0700

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