How to tell which drive in 2012 Mac Mini is the system drive?

Discussion in 'Mac mini' started by Soundhound, Aug 10, 2015.

  1. Soundhound macrumors 6502a

    Joined:
    Mar 29, 2006
    #1
    I just got a 2012 mac mini which has two drives in it and I'm going to replace one of them with an SSD for the system drive. I saw a few posts which say to look in System info under Sata and the drives will be listed as upper and lower. Unfortunately on my system when I look under Sata is shows just one drive, and under storage is shows the other.

    Is there a way to tell which drive is upper and which is lower? And should the new ssd I put in for the system be in the slot that shows up under sata, or under storage?

    thanks!
     
  2. AppleNewton macrumors 68000

    AppleNewton

    Joined:
    Apr 3, 2007
    Location:
    1 Finite Place
    #2
    when you have the mini opened the orientation of the drives will be reversed. so the one under the wifi-anntena is lower and the one next to it is upper.
    Lower is generally considered "Bay 1" and upper is considered "Bay 2"
    Apple will generally ship a fusion drive as a SSD inBay 1/Lower and HDD in Bay 2/Lower

    The drive should show up under both SATA and Storage, this should have no effect. external drives and time machine backup drives may also appear in Storage
     
  3. jbarley macrumors 68030

    jbarley

    Joined:
    Jul 1, 2006
    Location:
    Vancouver Island
    #3
    Have you tried looking at "Disk Utility", it will list both drives and show you the install locations.
     
  4. Miat macrumors 6502

    Joined:
    Jul 13, 2012
    #4
    Disk Utility doesn't always list that info. I have go to the SATA/SATA Express tab in the System Information app to get it.

    I'm running Mavericks (10.9.5), if that is relevant.
     
  5. Celerondon macrumors 6502a

    Celerondon

    Joined:
    Oct 17, 2013
    Location:
    Southern Cal
    #5
    Did you mean to type, (Apple will generally ship a fusion drive as a SSD inBay 1/Lower and HDD in Bay 2/Upper)?
     

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