MacPro hard drive bay silver switch?

Discussion in 'Mac Pro' started by ctguru, Jan 20, 2017.

  1. ctguru macrumors newbie

    Joined:
    May 18, 2009
    #1
    Any idea what these MacPro hard drive bay silver switches do? See attached pic. They are obviously activated when a HDD is installed.

    [​IMG]
     
  2. Slash-2CPU macrumors member

    Joined:
    Dec 14, 2016
    Location:
    New Orleans, USA
    #2
    I always assumed they were spring contacts for RF grounding, like the woven metal mesh foam-filled things you find stuck to hard drives inside iMacs that contact the hard drive and the case.
     
  3. vsc macrumors newbie

    Joined:
    May 8, 2014
    #3
    Per the service manual it is a thermal sensor for the hard drive, one per slot. The spring contacts the drive to conduct heat to the sensor.
     
  4. ctguru thread starter macrumors newbie

    Joined:
    May 18, 2009
    #4
    Cheers, thanx for the info
     

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