RAM & Mac OS X upgrade for iMac

Discussion in 'Mac Basics and Help' started by SB 87, Jan 3, 2010.

  1. SB 87 macrumors newbie

    Jan 3, 2010

    I have a late 2006, 20" iMac with 1 GB RAM running Tiger. I want to upgrade the RAM. The Apple support website says the maximum I can install is 2 GB SO-DIMM in each memory slot, however the iMac will only use 3GB total memory.

    My question is, if I upgraded to Leopard/Snow Leopard would the computer then be able to use the full 4GB?

    Thanks in advance for any replies, help is much appreciated.
  2. flopticalcube macrumors G4


    Sep 7, 2006
    In the velcro closure of America's Hat

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