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  1. #1
    Adding memory to an iMac G4

    Member Since
    Aug 25, 2007
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    Adding memory to an iMac G4
    My monitor has quit for the 2nd time on this desklamp so a techy friend of mine removed the monitor for me. I am now using a new external monitor & using the desklamp computer as sort of a mac-mini.

    So she showed me the 512MB stick of DR2100 memory that is installed just underneath the cover of the base.

    My question -- can I pull out that 512MB stick of memory & replace it with a 1024MB stick of DR2100 memory? newegg.com has it priced for $31.99

    Should I also upgrade the memory installed right to the motherboard?

    The reason for my question is that I would like to get this computer to run a little faster ... and upping the memory might be the most economical fix. Any & all suggestions are appreciated.

    This is some of the info about my iMac
    Machine Name: iMac
    Machine Model: PowerMac6,1
    CPU Type: PowerPC G4 (3.3)
    Number Of CPUs: 1
    CPU Speed: 1 GHz
    L2 Cache (per CPU): 256 KB
    Memory: 768 MB
    Bus Speed: 133 MHz
    Boot ROM Version: 4.5.8f1

    Running Mac OS 10.4.11

    TIA ---

  2. #2
    Adding memory to an iMac G4
    pigoo3's Avatar
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    May 20, 2008
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    2011 13" MBP 2.3ghz, 8gig ram, OS 10.7.5
    Quote Originally Posted by mbusboom View Post
    My monitor has quit for the 2nd time on this desklamp so a techy friend of mine removed the monitor for me. I am now using a new external monitor & using the desklamp computer as sort of a mac-mini.

    So she showed me the 512MB stick of DR2100 memory that is installed just underneath the cover of the base.

    My question -- can I pull out that 512MB stick of memory & replace it with a 1024MB stick of DR2100 memory? newegg.com has it priced for $31.99

    Should I also upgrade the memory installed right to the motherboard?

    The reason for my question is that I would like to get this computer to run a little faster ... and upping the memory might be the most economical fix. Any & all suggestions are appreciated.
    Your computer has 1 user accessible ram slot.

    Check this out:

    Apple iMac G4/1.0 17-Inch (Flat Panel) Specs (iMac 17" 1 GHz - M8935LL/A) @ EveryMac.com

    As far as the "newegg" ram you mentioned...you better be sure it is compatible with Macintosh computers.

    Other World Computing (a store I highly recommend)...sells 1 gig sticks of ram that you need for $42.99:

    1.0GB (1024MB) PC2700 DDR SODIMM 200 P... (OWC2700DDRS1GBA) at OWC

    OWC is usually very competitive with their prices...so with the $11.00 difference between Newegg & OWC...it's best to make sure the Newegg ram is Mac compatible. PC ram is not always compatible with Macs.

    Hope this helps,

    - Nick
    - Too many "beachballs", read this: Beachballs
    - Computer seems slower than it used to? Read this for some slow computer tips: Speedup
    - Almost full hard drive? Some solutions. Out of Space
    - Apple Battery Info. Battery

  3. #3
    Adding memory to an iMac G4
    Mac SK's Avatar
    Member Since
    Oct 20, 2006
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    Never mind... saw it was a 1gig snowball. You may need to replace the internal ram to reach full capacity.

  4. #4
    Adding memory to an iMac G4
    pigoo3's Avatar
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    2011 13" MBP 2.3ghz, 8gig ram, OS 10.7.5
    Quote Originally Posted by Mac SK View Post
    Never mind... saw it was a 1gig snowball. You may need to replace the internal ram to reach full capacity.
    Yes I'm guessing you were thinking about the same thing I was going to mention in my previous post....that this iMac G4 is supposed to be capable of being upgraded to 2 gig of ram...but one of the slots is not very easy to access.

    The user accessible slot is 200 pin ram...and the "less" user accessible slot is 184 pin ram.

    - Nick
    - Too many "beachballs", read this: Beachballs
    - Computer seems slower than it used to? Read this for some slow computer tips: Speedup
    - Almost full hard drive? Some solutions. Out of Space
    - Apple Battery Info. Battery

  5. #5
    Adding memory to an iMac G4
    Mac SK's Avatar
    Member Since
    Oct 20, 2006
    Posts
    1,513
    Quote Originally Posted by pigoo3 View Post
    Yes I'm guessing you were thinking about the same thing I was going to mention in my previous post....that this iMac G4 is supposed to be capable of being upgraded to 2 gig of ram...but one of the slots is not very easy to access.

    The user accessible slot is 200 pin ram...and the "less" user accessible slot is 184 pin ram.

    - Nick
    Right On Dude! Some folks dont know there a limit on the user slot.

  6. #6
    Adding memory to an iMac G4
    Collin Bl's Avatar
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    Apr 07, 2009
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    27 iMac i5, MBP 13 & iMac 20, 2TB dual TC, AppleTV, iPh4S
    Quote Originally Posted by mbusboom View Post
    My monitor has quit for the 2nd time on this desklamp so a techy friend of mine removed the monitor for me. I am now using a new external monitor & using the desklamp computer as sort of a mac-mini.

    So she showed me the 512MB stick of DR2100 memory that is installed just underneath the cover of the base.

    My question -- can I pull out that 512MB stick of memory & replace it with a 1024MB stick of DR2100 memory? newegg.com has it priced for $31.99

    Should I also upgrade the memory installed right to the motherboard?

    The reason for my question is that I would like to get this computer to run a little faster ... and upping the memory might be the most economical fix. Any & all suggestions are appreciated.

    This is some of the info about my iMac
    Machine Name: iMac
    Machine Model: PowerMac6,1
    CPU Type: PowerPC G4 (3.3)
    Number Of CPUs: 1
    CPU Speed: 1 GHz
    L2 Cache (per CPU): 256 KB
    Memory: 768 MB
    Bus Speed: 133 MHz
    Boot ROM Version: 4.5.8f1

    Running Mac OS 10.4.11

    TIA ---
    I would have thought that 768 is quite satis for 10.4.11 unless you have heaps of apps open and or heavy duty video work. Will you really get a noticeable speed improvement over what u have - might be better to save the $$ for future upgrade from G4

  7. #7
    Adding memory to an iMac G4

    Member Since
    Aug 25, 2007
    Posts
    2
    The user accessible slot is 200 pin ram ** per your post...

    so if I pull that ram ... can I install?
    1GB(1024MB) 200 Pin PC2700 (333MHz) DDR SDRAM SO-DIMM

    and if I get really ambitious ...
    the "less" user accessible slot is 184 pin ram
    I could install:
    1GB PC2700 DDR 333MHz CAS 2.5 184 Pin DIMM

    You got me a little confused

  8. #8
    Adding memory to an iMac G4
    Mac SK's Avatar
    Member Since
    Oct 20, 2006
    Posts
    1,513
    It has to work out to a total of 2 gigs.

  9. #9
    Adding memory to an iMac G4
    pigoo3's Avatar
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    May 20, 2008
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    Specs:
    2011 13" MBP 2.3ghz, 8gig ram, OS 10.7.5
    Quote Originally Posted by mbusboom View Post
    The user accessible slot is 200 pin ram ** per your post...

    so if I pull that ram ... can I install?
    1GB(1024MB) 200 Pin PC2700 (333MHz) DDR SDRAM SO-DIMM

    and if I get really ambitious ...
    the "less" user accessible slot is 184 pin ram
    I could install:
    1GB PC2700 DDR 333MHz CAS 2.5 184 Pin DIMM

    You got me a little confused
    That would be my understanding.

    If you want to keep things less confusing...just install 1 gig into the 200 pin "user accessible" slot.

    - Nick
    - Too many "beachballs", read this: Beachballs
    - Computer seems slower than it used to? Read this for some slow computer tips: Speedup
    - Almost full hard drive? Some solutions. Out of Space
    - Apple Battery Info. Battery

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