Dual 867 MDD fan issue

Discussion in 'Mac Pro' started by DesmoPilot, Jan 21, 2010.

  1. DesmoPilot macrumors 65816

    Feb 18, 2008
    Bought this system just over a year ago and have not had any issue's with it besides this little nit pick. While it's hooked up to a 17" ADC display that came with the system the fans rev up and down depending on the CPU load and are generally quite quiet. Unfortunately when I hook the system up to my 20" first revision DVI apple cinema display the fans are at 100% no matter whats going on. I would like the fans to behave with the 20" they way they do with the 17" ADC display, anyone know if this is possible?

    Complete system spec's are in sig, I also have USB card in it and an SCSI card.
  2. MacintoshMaster macrumors 6502


    Jan 16, 2010
    I'm not too sure but my fans on my powermac g4 are quite loud - maybe it's normal?
  3. flatfoot macrumors 65816

    Aug 11, 2009
    Might also be the graphics card's fan if it's not passively cooled.
  4. chet.d macrumors member

    Dec 6, 2009
    I can only add that years ago when I bought my dual 867 new as soon as it came out... that a few months later there was some kind of a free power supply / fan upgrade offered by Apple. I got that and a Mac tech friend at the time put it in for me. That took card of my issue. Not sure where to direct you now though.

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