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  1. #1
    quicksilver 867 mhz...memory problems...

    Member Since
    Dec 01, 2007
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    new york city
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    Specs:
    ++24" imac 3ghz / may-08+ ibook G3-500mhz-10g-384m-12", nov-07 +G4 quicksilver 867 mhz/512MB july/08
    quicksilver 867 mhz...memory problems...
    hi


    I have a G4 with 512 mem and an 867mhz proc

    model M8493


    it is the model before 2002, non firewire model, the first in the quicksilver line....


    I bought two 512 sticks, and put them in to take the memory to 1.5 gig



    but...the computer says to restart after it is running fine for about 30 mins....

    so 30 mins ok, then screen tells me to restart



    it is pc133 mem, non parity,


    it didnt say for mac, but I thought that memory was pc or mac compatible....


    help, any assitance would be appreciatted!


    thanks

    al

  2. #2
    quicksilver 867 mhz...memory problems...

    Member Since
    Jul 23, 2008
    Location
    Cambridge, England
    Posts
    8
    Hi

    I've got the same model of Quicksilver with 1.5GB also. I didn't have a problem upgrading mine to 1.5GB. All my sticks are from the same manufacturer (Kingston) and they're all 'PC133 - 333' <- which refers to the latency I think.

    I'm not sure whether it would have a fit if sticks with mixed latency ratings were added, but I'd assume it would just run as fast as the slowest stick.

    It sounds a bit strange that it's running for 30 minutes before crashing though, usually errors caused by the memory can be pretty random. Can you not provoke it to crash sooner by running a memory intensive application?

    What I'd do if you haven't already is try running the machine on just one stick at a time, alternating between sticks until you've tried them all. Then if all goes well try two sticks at a time, again making sure all sticks are given a test. If you get no crashes during that time then I don't know But hopefully you can trace it to just one stick that doesn't run well with the others.

    You could try getting hold of an Apple 'tech tool' CD or similar to test the memory. I assume you've tried resetting the NVRAM?

  3. #3
    quicksilver 867 mhz...memory problems...
    harryb2448's Avatar
    Member Since
    Nov 28, 2007
    Location
    Nambucca Heads Australia
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    20,066
    Specs:
    iMac i5 2.7GHz, 16GB memory, OS 10.10.5
    Mac memory is generally low density and Mac and PC memory is not compatible at all. What you are experiencing is a kernel panic attack as the new memory begins to fail. Take out the new modules.

    Have a look at OWC at www.macsales.com for the correct modules, note the price etc, and search for new modules.

  4. #4
    quicksilver 867 mhz...memory problems...
    hughvane's Avatar
    Member Since
    May 18, 2008
    Location
    Banks Peninsula, New Zealand
    Posts
    3,296
    Specs:
    MacMini 2.4, 8 Gb, OS 10.10 and 10.6; MacBook 2.4, 4 Gb, OS 10.6.8
    Quote Originally Posted by rokkitt View Post
    I have a G4 with 512 mem and an 867mhz proc
    I bought two 512 sticks, and put them in to take the memory to 1.5 gig ...
    it is pc133 mem, non parity, ... it didn't say for mac, but I thought that memory was pc or mac compatible....
    Al - read these http://www.macworld.com/article/4937...eedmemory.html
    Download and run Memtest or Rember
    http://www.macfixit.com/article.php?...50524014158525

    I say this with respect to harryb, but, for economic reasons, I've used so-called PC RAM, even 2-hand, in a number of older Macs and it's worked fine, as long as it matches the original RAM specs. I agree that OWC is a good place to go for quality advice and products. Make sure matched pairs of RAM are used.

  5. #5
    quicksilver 867 mhz...memory problems...
    harryb2448's Avatar
    Member Since
    Nov 28, 2007
    Location
    Nambucca Heads Australia
    Posts
    20,066
    Specs:
    iMac i5 2.7GHz, 16GB memory, OS 10.10.5
    Perhaps I should have said if it is identical to Mac memory fine. There are that many different types, hi and low density, EEC and non EEC, CL 2, CL 2.5 and CL 3, single and double sided makes it difficult for users of limited experience.

    If you go to OWC at www.macsales.com and find your model in the memory section, it will give the type of memory you need and price, and shop about from there.

    Here is a start:-

    http://eshop.macsales.com/MyOWC/Upgr...=Show+Upgrades

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