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  • Qbus's Avatar
    Yesterday, 06:03 PM
    Qbus replied to a thread PC Shell date in PCs and Clones
    I am using DOS Shell on a GRiD 1550 military laptop running DOS ver 6.20 , discovered that if I enter the correct date 2018 that the system clock...
    11 replies | 169 view(s)
  • Qbus's Avatar
    Yesterday, 10:53 AM
    Qbus started a thread PC Shell date in PCs and Clones
    Whatís the year that I enter for a system that wonít support dates beyond 2000? I have an 386 that running DOS Shell and can set the display to only...
    11 replies | 169 view(s)
  • Qbus's Avatar
    February 16th, 2018, 06:24 AM
    More thought, how hard would it be to locate a 5251 or very unusual dual terminal 5252? Looks like this is necessary to do anything with the system....
    14 replies | 435 view(s)
  • Qbus's Avatar
    February 15th, 2018, 01:53 PM
    Man that’s tempting! If it was not for the fact that my understanding of IBM large frame OS was lacking and the fact that you apparently need a twin...
    14 replies | 435 view(s)
  • Qbus's Avatar
    February 12th, 2018, 06:03 AM
    Think I asked this before and use to know how to do it but am old so will ask again. Anyone know how to format a CD ROM in a modern Windows...
    3 replies | 119 view(s)
  • Qbus's Avatar
    February 8th, 2018, 08:36 AM
    With the AC power removed if you read the DC Resistance across C1 and C2 it should read a high value of around 20 K Ohms each. There are two big...
    21 replies | 928 view(s)
  • Qbus's Avatar
    February 6th, 2018, 01:02 PM
    If you have little or no DC across those two capacitors (C1 and C2) that’s a good thing. On that power supply they bring the incoming AC directly...
    21 replies | 928 view(s)
  • Qbus's Avatar
    February 6th, 2018, 09:02 AM
    We use to have an 11/780 at the university but that was a long time ago, think they were using that rack to house there Alpha Server 4000 but don’t...
    9 replies | 503 view(s)
  • Qbus's Avatar
    February 5th, 2018, 07:23 AM
    Most or at least all the Qbus systems I have seen were set up for RS-232 communications at 9600 baud using DLV11 cards, the 8043 or some variant of...
    21 replies | 928 view(s)
  • Qbus's Avatar
    January 29th, 2018, 07:16 AM
    I started with a 11/23 seven or eight years ago, The KDF-11 manual is your friend! go and download and read it first. After you get the power supply...
    21 replies | 928 view(s)
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About Qbus

Basic Information

About Qbus
Biography:
Luddite, technological Idiot. Sped most time trying to reinvent the wheel.
Location:
Salisbury Maryland
Interests:
Antique computers, radio and telecommunications. From land line telegraph to satellite.
Occupation:
Broadcast and Telecommunications engineer, Salisbury University.

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