Firmware upgrade - iMac 2006

Discussion in 'iMac' started by Habberkuk, Mar 30, 2015.

  1. Habberkuk macrumors member

    Mar 2, 2013
    Under your bed...

    I have a white 2006 iMac (5,1). I was wondering if it is possible to upgrade the firmware to the iMac 7,1's. I want to do this because I want to be able to use all the 4 GB ram that I have installed and (if possible) get the HDD link speed to 3 gigabit.

    Is it possible?
  2. redheeler macrumors 604


    Oct 17, 2014
    The SATA speed is a hardware limitation. Your iMac uses SATA 1 while the 7,1 aluminum iMac used SATA 2.
  3. chrfr macrumors 604

    Jul 11, 2009
    This isn't possible, the hardware isn't the same.

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