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  • bobaboba's Avatar
    September 9th, 2019, 11:17 AM
    Was the PR8-e actually serial? Pretty silly (IMHO) to connect a parallel bus to an essentially parallel device via a serial interface. FWIW the usual...
    18 replies | 454 view(s)
  • bobaboba's Avatar
    September 9th, 2019, 03:56 AM
    Iím not sure about that - the high-speed RIM loader uses the high-speed reader, not a serial port really. You want the low-speed (console) version.
    18 replies | 454 view(s)
  • bobaboba's Avatar
    August 27th, 2019, 11:35 AM
    bobaboba replied to a thread Simulating PDP-8 on a PDP-11? in DEC
    Absolutely - I once wrote one to run on a DG Nova (papertape and terminal only though) and I remember people mentioning different incarnations on a...
    13 replies | 683 view(s)
  • bobaboba's Avatar
    August 22nd, 2019, 12:18 PM
    The classic failure mode is localised dielectric failure due either to overvoltage (eg supply/inductive spikes) or manufacturing deficiencies, but...
    18 replies | 683 view(s)
  • bobaboba's Avatar
    August 22nd, 2019, 09:17 AM
    Starting capacitors are generally rated for intermittent use. Normally they’d be in circuit for (much) less than a second on a small/medium motor....
    18 replies | 683 view(s)
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About bobaboba

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About bobaboba
Chip designer since the very early days of MOS, and IC design manager with several large companies. Ex gliding enthusiast. Retired now but still with too little time for hobbies!
Computers, Amateur Radio, Other electronic stuff, Gardening
Retired. Ex IC Design Manager


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September 7th, 2013