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  1. Replies
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    This is sound advice and worth checking. I'd not...

    This is sound advice and worth checking. I'd not worry about the 50ms
  2. Sorry, nope; but I wonder about feedback...

    Sorry, nope; but I wonder about feedback instabilities that your Chroma machine might not test for.
  3. You are concerned about "That's right. We see...

    You are concerned about

    "That's right. We see a voltage INCREASE. But why?"

    ?



    Makes sense to me, the sense wires are sensing a very low voltage (zero) and are compensating
  4. Thread: Fan bearing

    by ashiekh
    Replies
    15
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    302

    Sorry `bout that, my mind was off on the line of...

    Sorry `bout that, my mind was off on the line of thought that maybe in the future one could avoid fans; I know, it was quite a stretch.

    But it does lead to the strange idea that two mining cards...
  5. Thread: Fan bearing

    by ashiekh
    Replies
    15
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    302

    Other one was about over-clocking; this one is...

    Other one was about over-clocking; this one is under-clocking.

    Still wanted the cubed relation, which for me is not obvious without the steps that included the V​2 for resistive heating
  6. Thread: Fan bearing

    by ashiekh
    Replies
    15
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    302

    Ceramic sleeve bearings; 300,000 hrs...

    Ceramic sleeve bearings; 300,000 hrs
    http://ceramicafans.com/

    I mentioned these way back when
    http://www.jonnyguru.com/forums/showthread.php?15235-Ceramica

    but here I was wondering about...
  7. Thread: Fan bearing

    by ashiekh
    Replies
    15
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    302

    I have wasted enough time on this topic; thanks...

    I have wasted enough time on this topic; thanks for all the help.
  8. Thread: Fan bearing

    by ashiekh
    Replies
    15
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    302

    And .... that leads to another question. are...

    And .... that leads to another question.

    are ceramic bearings being used in some ball bearing fans? either hybrid or full ceramic.
  9. A most excellent point.

    A most excellent point.
  10. Thread: Fan bearing

    by ashiekh
    Replies
    15
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    302

    So single ball bearing fans really are just that?...

    So single ball bearing fans really are just that? I would expect them to be quite noisy as they rattle around.
  11. Conjecture: Perhaps you are first using up the...

    Conjecture:

    Perhaps you are first using up the safety margin (no voltage increase needed)

    P ~ f

    and then finding the need for more voltage?

    P ~ f​3
  12. Thread: Fan bearing

    by ashiekh
    Replies
    15
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    302

    Which leads me to a related question: how do one...

    Which leads me to a related question: how do one ball bearing fans work?

    I have a one ball bearing fidget spinner and there is a lot of slop on the bearing, or does one ball bearing imply...
  13. Overclocking can damage equipment, or at least...

    Overclocking can damage equipment, or at least accelerate aging.

    As I understand it


    P ~ V2 f and f ~ V

    Where P is power, V is voltage and f is frequency; putting this together one gets
  14. Thread: Weird spam

    by ashiekh
    Replies
    4
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    94

    So the link includes a code so the 'sponsor'...

    So the link includes a code so the 'sponsor' knows it was their work?
  15. Thread: Weird spam

    by ashiekh
    Replies
    4
    Views
    94

    Weird spam

    Someone please explain to me how all these messages are making money for the people sending them.
  16. Invalid Attachment specified. If you followed a...

    Invalid Attachment specified. If you followed a valid link, please notify the administrator
  17. I tend to use fully synthetic engine oil, but...

    I tend to use fully synthetic engine oil, but perhaps I should try automatic transmission fluid as the detergents in engine oil keep particles in suspension.

    Once properly oiled I doubt it will...
  18. Did you look to see if the the Yate Loon D12SM-12...

    Did you look to see if the the Yate Loon D12SM-12 can be oiled?
  19. Thread: Fan bearing

    by ashiekh
    Replies
    15
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    302

    Fan bearing

    I have an AVC fan that has

    1B1S BEARING

    written on the label

    Does this mean one ball, one sleeve bearing?
  20. Replies
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    I have a similar, but older, HP with a Core 2...

    I have a similar, but older, HP with a Core 2 Quad and GT 1030 and unfortunately it can play Far Cry 4 without issue; so I had to upgrade my Son's PC to stop him taking mine over.

    So I guess it...
  21. Replies
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    Looks like your supply for the HP 800 G1 is 12V...

    Looks like your supply for the HP 800 G1 is 12V only and so cannot just be replaced.

    Powering the card separately would be a bit of a hack, and they may be cheap because they have been used for...
  22. What happens if one puts 12V on the PWM pin?

    What happens if one puts 12V on the PWM pin?
  23. Don't listen to me, my computers are 10 years old...

    Don't listen to me, my computers are 10 years old and I just keep them running. On some fans one can get to the bearing under the label, and then a bit of engine oil brings them back.

    It takes all...
  24. The Yate Loon D12SM-12 is $7 on ebay You could...

    The Yate Loon D12SM-12 is $7 on ebay

    You could fix the supply and then keep it as a spare
  25. In what way did it not work?

    In what way did it not work?
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