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  • jackrubin's Avatar
    January 25th, 2021, 07:19 AM
    jackrubin replied to a thread PDP-8/M restoration - Jerry Walker in DEC
    @Michael - I'd love to get a copy of your LTSpice model. Please post a link or email to me directly. Thanks.
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    13 replies | 358 view(s)
  • jackrubin's Avatar
    January 23rd, 2021, 10:59 AM
    jackrubin replied to a thread PDP-8/M restoration - Jerry Walker in DEC
    I've found the RICM blogs to be very helpful but clearly there is a lot of work involved in taking detailed notes and then transferring everything to...
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    13 replies | 358 view(s)
  • jackrubin's Avatar
    January 22nd, 2021, 02:41 PM
    jackrubin replied to a thread PDP-8/M restoration - Jerry Walker in DEC
    It's picked up in one of the user comments below. He's very methodical and plodding in a good way.
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    13 replies | 358 view(s)
  • jackrubin's Avatar
    January 22nd, 2021, 12:39 PM
    jackrubin started a thread PDP-8/M restoration - Jerry Walker in DEC
    Jerry has started a very nice series on restoring an 8/M. So far, a detailed power supply repair and timing card testing. Thorough and well done with...
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    13 replies | 358 view(s)
  • jackrubin's Avatar
    January 14th, 2021, 09:05 AM
    jackrubin replied to a thread DEC-20 Day! in DEC
    Terry, Now that you've started the reveal, would you be willing to share more info about the Lotus (?) in your avatar? Thanks!
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    40 replies | 2704 view(s)
  • jackrubin's Avatar
    January 11th, 2021, 09:09 PM
    jackrubin replied to a thread RX01 floppy drive adventures in DEC
    The VT78/WT78 DECmate had an RX01 with cover on the second shelf of the "teacart"; the terminal/cpu sat on top. Image from the collection at...
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    11 replies | 548 view(s)
  • jackrubin's Avatar
    January 11th, 2021, 06:21 AM
    jackrubin replied to a thread Digital PR/S01 paper tape reader in DEC
    Ah! I lusted after one of these for years in my pre-recovery days! Max Burnet (DEC Australia) used one during the repair of his straight-8 and maybe...
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    2 replies | 249 view(s)
  • jackrubin's Avatar
    January 3rd, 2021, 09:34 AM
    jackrubin replied to a thread reproduction PDP 8e toggle switches? in DEC
    Anyone recognize these? eBay 193832697162, from one of the more bizarre sellers of vintage computer stuff.
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    100 replies | 8985 view(s)
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About Ed Groenenberg

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About Ed Groenenberg
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Bennekom, NL
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PDP-11 / Teletype
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Unix & Database admin

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