Windows 8 and 8.1 Forums


How to interpret device manager drive Location Information

  1. #1


    Sunnyvale, CA USA
    Posts : 283
    Windows 8.1 Pro with Media Center (64-bit)

    How to interpret device manager drive Location Information


    If you look at drive properties in the device manager, there is a 'Details' tab with a property called "Location information". It specifies Bus Number, Target ID, and LUN for the hard drive.

    I have several drives and I was curious about the physical properties so I made a little diagram starting from the Device manager and cutting and pasting various other infos.

    I was curious to see that I had two 'Bus Number 0' in my system - One for the JMicron drive port and one for the Marvell drive port.

    Is this normal?

    The picture below shows drive name, volumes on it and format type, Bus name, Disk number, and physical device object name:

    Click image for larger version

      My System SpecsSystem Spec

  2. #2


    Sunnyvale, CA USA
    Posts : 283
    Windows 8.1 Pro with Media Center (64-bit)


    Upon further research I found another user with a similar motherboard and disk setup.
    The reference states that they encounter the same bus number, too:

    https://superuser.com/questions/4250...-which-disk-co
      My System SpecsSystem Spec

How to interpret device manager drive Location Information
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