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Type: Posts; User: Gary C

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  1. Thread: IBM 5160 Memory

    by Gary C
    Replies
    9
    Views
    229

    Doh, feeling daft This link...

    Doh, feeling daft

    This link http://www.vcfed.org/forum/attachment.php?attachmentid=7213&d=1322452261 seems to indicate that you set SW1 to match the amount of memory on the card, whereas it sets...
  2. Thread: IBM 5160 Memory

    by Gary C
    Replies
    9
    Views
    229

    Interesting, the chip layout is the same, but...

    Interesting, the chip layout is the same, but there are no silkscreen names or identifying numbers on it at all. Looks like it was a clone of that board.

    Found the manual for that version, need to...
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    Its smoother. It was either that, or a great big...

    Its smoother. It was either that, or a great big smooth patch on the side which stood out like a sore thumb. The full matt paint goes a long way to making it look ok.
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    1,652

    After three mile island DEC wouldn't supply...

    After three mile island DEC wouldn't supply computers to the nuclear industry and we had to choose a different manufacturer. We chose Honeywell DPS6's because they had been around long enough to have...
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    3,279

    All done Not been able to recreate the finish...

    All done

    Not been able to recreate the finish and the pictures don't do justice to the colour as the LED lighting is too white, but I am happy

    62459

    62460

    Not too bad to say it was badly...
  6. Thread: IBM 5160 Memory

    by Gary C
    Replies
    9
    Views
    229

    Well, the DEBUG method was perfect. The version...

    Well, the DEBUG method was perfect. The version of CHECKIT I could run with only 256K memory would not allow me to test any memory not detected by the POST routine.

    Using debug with the parity...
  7. Thread: IBM 5160 Memory

    by Gary C
    Replies
    9
    Views
    229

    Cheers, some useful stuff. Always found the...

    Cheers, some useful stuff.

    Always found the Intel segmented memory annoying after learning on the 6502, but as I want to try and do something with my Multibus 286, I better get used to it.
  8. Thread: IBM 5160 Memory

    by Gary C
    Replies
    9
    Views
    229

    Ah ha Looks as if I need to burn a...

    Ah ha

    Looks as if I need to burn a Supersoft/Landmark diagnostic ROM.
  9. Replies
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    Welcome And your 2001-8 is a worthwhile...

    Welcome

    And your 2001-8 is a worthwhile machine to restore, not only is it worth doing from a value point of view, members such as Daver2 and others can provide some fantastic advice and equipment...
  10. Your Avatar is very disturbing !

    Your Avatar is very disturbing !
  11. Thread: IBM 5160 Memory

    by Gary C
    Replies
    9
    Views
    229

    IBM 5160 Memory

    Hi

    I have a quadram quadboard clone thats fully populated and as far as I can see, set correctly but the machine only steps up to the 256K memory installed on the motherboard (the original...
  12. Replies
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    634

    I like the comment "i would like u to use a...

    I like the comment "i would like u to use a privet shipping co"

    He's hedging his bets there I think !
  13. Sounds like a Rusty Quill project ? Anyway, +1...

    Sounds like a Rusty Quill project ?

    Anyway, +1 for the band printers. 160 individual hammers striking a spinning band as the right letter flies past and 600 lines per minute paper feed gives a...
  14. Replies
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    3,279

    Just got a matt rattle can of cellulose 413U...

    Just got a matt rattle can of cellulose 413U paint.

    Its colour is a reasonable match, it has that 'greenish' colour but its looking lighter than the original, but that might be because the...
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    3,279

    That makes sense I suppose, still confusing that...

    That makes sense I suppose, still confusing that they use different codes and the colours look different.
  16. Replies
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    3,279

    fair enough, but its still confusing.

    fair enough, but its still confusing.
  17. Replies
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    3,279

    This Pantone 453 colour is really confusing. ...

    This Pantone 453 colour is really confusing.

    Each company seems to have a different interpretation of its colour, giving different RGB/Hex numbers and its not just the C v U types either.
    ...
  18. Replies
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    The texture isn't perfect but its ok, I cant get...

    The texture isn't perfect but its ok, I cant get that texture paint easily in the UK so its going to be a more 'matt' finish than a perfect recreation.

    I am going to have to paint the whole of the...
  19. Replies
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    3,279

    The machine had obviously dropped and the bezel...

    The machine had obviously dropped and the bezel snapped in two

    62151

    Glued with epoxy and the crack filled with car body filler. Sanded back and sprayed

    62152 62153

    Unfortunately, due to...
  20. Looks like a good buy, should be perfect. Be...

    Looks like a good buy, should be perfect.

    Be careful with any probes ground connection. It will be connected to earth through the scope, so don't go connecting it like your using a voltmeter or...
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    The electricity is free for us, we make it :) ...

    The electricity is free for us, we make it :)

    Spares are an issue but we have replaced the disk drives and tape drives which used to be the most unreliable bits and we do have quite a large spares...
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    I have a ~1910 Robertson 4 loop filament bayonet...

    I have a ~1910 Robertson 4 loop filament bayonet cap clear incandescent lamp that I got when I was about 10.

    Should be in my parents loft, must try and find it next time I'm there.
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    Seems to be asking $12,345 for it !!!!!!!!!!

    Seems to be asking $12,345 for it !!!!!!!!!!
  24. Replies
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    Just started to spray my bezel. Found that BMW...

    Just started to spray my bezel.

    Found that BMW mini pepper white is a great match for the original colour.

    Spraying it a bit thick so it will orange peel a bit but not sure how the finish will...
  25. Replies
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    1,652

    Not really allowed to share images from work,...

    Not really allowed to share images from work, Daver2 might have some that are public domain. They all (including the honeywells) sit in boring grey cabinets so the DPS room is not exactly exciting to...
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