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  1. #1

    gary61071's Avatar
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    17" G4 iMac dome, 1.25 ghz, OS 10.5.4. 5th Gen 80gb iPod Video
    Maxing memory - confusion
    Hey all,

    I'm reading up in here and outside of MF on maxing out my memory and I'm getting confused. I have the G4 iMac flat panel with 768 MB ram (512 user + 256 factory). It can support up to 2GB.

    Would the imac still run okay if I install a 2GB stick and keep the 256 still inside (since I can't access it)? Or would I need two 1GB sticks; I install one and have an Apple specialist install the other? Has anyone installed the inaccessible one on their own? My imac has long been out of warranty, so I'm not worried about that. But then again, I don't want to risk doing something stupid. I want to max out the memory because later on I plan to upgrade to Leopard.

    As always I appreciate your help.
    G
    "Of course I'm serious. And stop calling me Shirley."

  2. #2

    cuhnool's Avatar
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    Jun 02, 2008
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    MacBook 2.1GHz Core 2 Duo | 1GB RAM | OS X 10.6.3 | 250GB External HD | 8GB iPod Touch 1st Gen 3.1.3
    I think it's just two 1GB sticks. I may be wrong though. Someone who might know more about it would be able to help you better than I could.

  3. #3

    skaheadpunk's Avatar
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    Jan 12, 2008
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    MacBook, iPod Classic, 8GB 3G iPhone, Time Capsule
    I thought they could only support 1GB?

    In which case, you'd need to swap the none-user-accessible stick to 512.

    EDIT: Crucial says 1GB, other places say 2GB.

    I found this - http://www.xlr8yourmac.com/systems/i...takeapart.html

    Doesn't look too bad, you're at the RAM by step 3...

    http://www.youtube.com/watch?v=S72X9Gjy5WM

  4. #4

    gary61071's Avatar
    Member Since
    Dec 26, 2007
    Location
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    17" G4 iMac dome, 1.25 ghz, OS 10.5.4. 5th Gen 80gb iPod Video
    Quote Originally Posted by skaheadpunk View Post
    I thought they could only support 1GB?

    In which case, you'd need to swap the none-user-accessible stick to 512.

    EDIT: Crucial says 1GB, other places say 2GB.

    I found this - http://www.xlr8yourmac.com/systems/i...takeapart.html

    Doesn't look too bad, you're at the RAM by step 3...

    http://www.youtube.com/watch?v=S72X9Gjy5WM

    From what I understand, if you have the 1 or 1.25 ghz models, it can support up to 2GB. The 800 and below mhz models can support 1GB.

    Thanks for the links. Looks simple enough. I just need to find the Torx bits and the thermal paste. Or I can try to find local Apple resellers to see how much they charge for RAM installation.

    Thanks for the tips, Ska & cuhnool!
    G
    "Of course I'm serious. And stop calling me Shirley."

  5. #5

    Soulwar's Avatar
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    Jan 27, 2008
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    iMac 17" 1Ghz G4  iPhone 3G  10.5.5
    Wanted to make sure you knew the "internal" ram is a different size than the user accessible one. (and it will support 2x1GB)

    "There is one factory installed memory module in a 184-pin DIMM slot and one 200-pin user-accessible SO-DIMM slot."
    When all else fails, try everything!
    The Rep System and you.
    Life's a joke...If you're not laughing, then you didn't get it.

    June 2008


  6. #6

    gary61071's Avatar
    Member Since
    Dec 26, 2007
    Location
    Hamilton, OH
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    Specs:
    17" G4 iMac dome, 1.25 ghz, OS 10.5.4. 5th Gen 80gb iPod Video
    Quote Originally Posted by Soulwar View Post
    Wanted to make sure you knew the "internal" ram is a different size than the user accessible one. (and it will support 2x1GB)

    "There is one factory installed memory module in a 184-pin DIMM slot and one 200-pin user-accessible SO-DIMM slot."
    Yeah, I saw that. One long, one short. Thanks!
    "Of course I'm serious. And stop calling me Shirley."

  7. #7

    hughvane's Avatar
    Member Since
    May 18, 2008
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    Banks Peninsula, Canterbury
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    Specs:
    MacMini 4.1, OS 10.11 and 10.6; Macbook Pro 8.2, OS 10.11, MacBook 4.1, OS 10.6.8
    Quote Originally Posted by gary61071 View Post
    have the G4 iMac flat panel with 768 MB ram (512 user + 256 factory). It can support up to 2GB.

    Would the imac still run okay if I install a 2GB stick and keep the 256 still inside (since I can't access it)? Or would I need two 1GB sticks.
    I think the latter choice. If you haven't already visited them, two excellent resources for checking RAM requirements are OWC http://eshop.macsales.com/shop/apple/memory/ (select your model of iMac) and Mactracker, a free utility that gives the specs of every model of Mac ever made.

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