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  • bqt's Avatar
    May 16th, 2020, 08:07 AM
    I doubt they'll get any bids for it. And it's a controller *without* a drive. Maybe at 1/10th of that price, they might get some bids...
    8 replies | 215 view(s)
  • bqt's Avatar
    May 16th, 2020, 04:06 AM
    Well, the fact that it is non-functional don't help either. Not sure the exact state. Seller plugged in another CPU to do the "SHOW DEV" command....
    2 replies | 129 view(s)
  • bqt's Avatar
    May 15th, 2020, 07:08 AM
    bqt replied to a thread A Homebrew MicroVAX II in DEC
    I would have some serious concerns about the airflow between the cards there. The BA23 was designed so that the fan(s) are pulling air over all the...
    16 replies | 529 view(s)
  • bqt's Avatar
    May 14th, 2020, 12:36 PM
    We might just agree to disagree here. I'll quote the PC11 manual one last time: "The PC11 Reader/Punch and Control comprises a PC05 High-Speed...
    13 replies | 474 view(s)
  • bqt's Avatar
    May 13th, 2020, 02:13 AM
    I would say that even your own quotes shows that the PC04 and PC05 are separate from the controller, and can come with different controllers.
    13 replies | 474 view(s)
  • bqt's Avatar
    May 11th, 2020, 10:26 AM
    Well, to quote the PC11 manual (page v): "The PC11 Reader/Punch Control is basically an interface between the bus and the PC05 High-Speed Paper-Tape...
    13 replies | 474 view(s)
  • bqt's Avatar
    May 11th, 2020, 03:03 AM
    bqt replied to a thread H403-B circuit breaker question in DEC
    It should stay on even without power, so I suspect it's shot. They can wear out with time and abuse. Not sure if they can be "repaired".
    1 replies | 64 view(s)
  • bqt's Avatar
    May 11th, 2020, 02:59 AM
    And to make things extra clear: The PC8-E is the controller for an Omnibus PDP-8. The PC11 is the controller for Unibus machines. Both of these...
    13 replies | 474 view(s)
  • bqt's Avatar
    May 6th, 2020, 02:20 AM
    bqt replied to a thread VAXstation 4000 model 96 in DEC
    Yes. It usually works just fine with any drive.
    14 replies | 451 view(s)
  • bqt's Avatar
    May 2nd, 2020, 08:16 PM
    bqt replied to a thread DEC/Compaq DS-SWXRA-HC in DEC
    Sounds like you're almost there. Do you happen to have any program cards for some DEC controller, so that you can test and read it as well?
    42 replies | 1370 view(s)
  • bqt's Avatar
    May 2nd, 2020, 04:13 AM
    You never check the cables when things are not working? That is among the first things on my list. It's an easy thing to do, and I've had numerous...
    28 replies | 1267 view(s)
  • bqt's Avatar
    April 30th, 2020, 12:17 PM
    bqt replied to a thread Help with a Decwriter III LS-120 in DEC
    Excellent! Happy to help.
    9 replies | 429 view(s)
  • bqt's Avatar
    April 27th, 2020, 02:32 PM
    bqt replied to a thread DEC/Compaq DS-SWXRA-HC in DEC
    What does a compact flash device appear as? Basically, it probably depends on the hardware as well as on the version of OS. I first need a machine...
    42 replies | 1370 view(s)
  • bqt's Avatar
    April 27th, 2020, 11:23 AM
    bqt replied to a thread DEC/Compaq DS-SWXRA-HC in DEC
    Well, I wouldn't be at all surprised if Windows had no clue if you plugged such a card in, since I would not expect them to use a FAT or NTFS...
    42 replies | 1370 view(s)
  • bqt's Avatar
    April 27th, 2020, 06:55 AM
    bqt replied to a thread DEC/Compaq DS-SWXRA-HC in DEC
    The documentation states that it is standard PCMCIA cards. Reading such memory cards are standard. Could you point me some documentation to where it...
    42 replies | 1370 view(s)
  • bqt's Avatar
    April 26th, 2020, 06:21 PM
    bqt replied to a thread DEC/Compaq DS-SWXRA-HC in DEC
    You guys have me a bit confused here. We have a bunch of HSJ40 at the Update Computer club. All functional, and used from time to time. But the...
    42 replies | 1370 view(s)
  • bqt's Avatar
    April 26th, 2020, 03:16 AM
    bqt replied to a thread Help with a Decwriter III LS-120 in DEC
    If cleaned and you still have the problem, then yes. Check coils and transistors. (But I hope you let the head soak in alcohol for at least 24h. The...
    9 replies | 429 view(s)
  • bqt's Avatar
    April 24th, 2020, 09:19 AM
    bqt replied to a thread Help with a Decwriter III LS-120 in DEC
    This is where I would start. Clean the head. It's not such an uncommon problem.
    9 replies | 429 view(s)
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About bqt

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About bqt
Location:
Zurich, CH
Interests:
Old computers
Occupation:
Computers

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