Problems after adding RAM

Discussion in 'Mac Pro' started by zmunkz, Jun 18, 2008.

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  1. zmunkz, Jun 18, 2008

    zmunkz macrumors 6502a

    zmunkz

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    Nov 4, 2007
    #1
    I bought one of the early '08 Mac pros when they first came out, and at that time I added 2x2GB of RAM for a total of 6GB.

    Very recently, I added another 2x2GB (ordered from OWC) for a total of 10GB, to try an keep up with the increased strain I am putting the machine through. Since installing the ram, I have noticed a considerable drop in system stability... my intensive apps are crashing randomly, and a few times they have frozen OSX as well...

    Anyway, I am no expert on this stuff, and I don't know how to check if there is a problem with my ram. The system recognizes all 10 GB, and I installed the DIMMs according to the instructions on OWC (stock 2x1GB + my newest 2x2GB on top riser, and my older 2x2GB on the bottom riser). I ran tech tools deluxe, but it just said "passed".

    Has anyone heard of issues like this after upgrading RAM? Does anyone know how I can determine if my RAM is the issue?

    Thanks in advance everyone!
     
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  2. HomeBru Studios, Jun 18, 2008

    HomeBru Studios macrumors member

    HomeBru Studios

    Joined:
    Jun 4, 2008
    #2
    I have similar problems on a MacBook Pro.

    Mail is the worst culprit for the crashing but occasionally Safari does too. Today I resorted to using Thunderbird for my email just to avoid the annoying crash of Mail that I finally grew tired of.

    I didn't want 'unmatched' ram so I went for 2 sticks of 2G ram even though apparently the OS can't address over 3G...

    I have seen no solution to the problem and I am betwixt and between about unmatching the ram and replacing one of the 2G sticks with a 1G stick...

    Good luck - let me know if you hear of any solutions!
     
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  3. yadmonkey, Jun 19, 2008

    yadmonkey macrumors 65816

    yadmonkey

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    #3
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  4. Fcal124, Jun 19, 2008

    Fcal124 macrumors newbie

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    Jun 17, 2008
    #4
    I had that happen on one of my old PC's. I added ram and soon after my system became unstable. I replaced the added ram with new ram and the problem went away. I agree, first try reseating the boards.
     
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  5. chas0001, Jun 19, 2008

    chas0001 macrumors 6502a

    chas0001

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    #5
    I agree. Rember (GUI) or Memtest (No GUI) are good programs to use to test the RAM.
     
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