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  1. #1
    Ram upgrade on iMac g3 rev d. Need help!
    Hi!
    I was planning on upgrading the ram on my 333 MHz Mac from 32 mb to 96 mb and I know that you have to take off the heat sync and cpu card to change one of the dimms. What I'm wondering is what is the biggest stick I can put in the top slot while the 32 is in the bottom slot under the card. And is the 32 mb the one on the bottom of the card and will the top dimm slot be empty. is the bottom dimm the same size as the top dimm? Also I was wondering if a double height dimm like this will fit on the top slot s-l400 (1).jpg
    Thanks!
    This is one I was looking at https://www.ebay.ca/itm/Cisco-15-598...UAAOSwpwRb1skq
    Will this ecc memory work?
    Last edited by Hellacat; 01-26-2019 at 12:32 AM.

  2. #2
    Ram upgrade on iMac g3 rev d. Need help!

    Member Since
    Nov 28, 2007
    Location
    Nambucca Heads Australia
    Posts
    25,160
    Your Mac's Specs
    iMac, i7 4GHz, 32GB memory, 1TB Blade, OSX 14.4 Mojave,
    This is the memory for a 333MHz '5 flavours' iMac. It will take 2 of these modules for a total of 512MB. What ever that memory is it won't work. And this is an iMac as there were several 333MHz G3 towers etc. but one only 333MHz iMac?


    https://eshop.macsales.com/item/OWC/100SO256168L/
    Last edited by harryb2448; 01-26-2019 at 01:37 AM.
    Using OS X.7 or later make a bootable USB thumb drive before running Installer!

  3. #3
    Ram upgrade on iMac g3 rev d. Need help!
    ferrarr's Avatar
    Member Since
    May 21, 2012
    Location
    Pawtucket, RI, US
    Posts
    6,175
    Your Mac's Specs
    L2014 Mac mini macOS 14, iPhone 8+ iOS 12, 12.9" iPad Pro 1 iOS 12, Pencil 1
    Quote Originally Posted by harryb2448 View Post
    This is the memory for a 333MHz '5 flavours' iMac. It will take 2 of these modules for a total of 512MB. What ever that memory is it won't work. And this is an iMac as there were several 333MHz G3 towers etc. but one only 333MHz iMac?


    https://eshop.macsales.com/item/OWC/100SO256168L/
    @Harry, they didnít say iMac.


    Bob -

    Sent from my iPad using Mac-Forums
    -- Bob --
    Please backup. Everything has a life cycle, unexpected and warning free. Nothing will last as long as you want it to.

  4. #4
    Quote Originally Posted by ferrarr View Post
    @Harry, they didn’t say iMac.
    Subject of thread says iMac g3.
    -Jonathan
    iMac (27-inch, Late 2012) - 2.9 GHz Intel Core i5
    MacBook Air (13-inch, Mid 2012) - 1.8 GHz Intel Core i5

  5. #5
    Ram upgrade on iMac g3 rev d. Need help!
    ferrarr's Avatar
    Member Since
    May 21, 2012
    Location
    Pawtucket, RI, US
    Posts
    6,175
    Your Mac's Specs
    L2014 Mac mini macOS 14, iPhone 8+ iOS 12, 12.9" iPad Pro 1 iOS 12, Pencil 1
    Quote Originally Posted by usagora View Post
    Subject of thread says iMac g3.
    Oops, didnít see that.


    Bob -

    Sent from my iPad using Mac-Forums
    -- Bob --
    Please backup. Everything has a life cycle, unexpected and warning free. Nothing will last as long as you want it to.

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