ati 3870 mooing sound from the fan

Discussion in 'Mac Pro' started by jjahshik32, Aug 10, 2008.

  1. jjahshik32 macrumors 603

    Sep 4, 2006
    I dont know how to describe it but like the macbook rev. a's it has a faint mooing noise. Its not loud or anything but when your in a dead silent room you can hear the silent revving up and down gently of the fan of the ati 3870.

    Kind of like a mooing sound but a bit higher pitched than what the macbooks sounded like I guess. It is only apparent in dead silent room and when your playing something intensive like a 1080p movie other wise during normal usage the card is dead silent.

    Anyone else noticing this too?
  2. iToaster macrumors 68000


    May 3, 2007
    In front of my MacBook Pro
    Yep, it's absolutely normal... but I wish it would be quiet.

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