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Discuss 4GB Ram + 10.5.8 = Hang on Boot?!, Any help will be greatly appreciated. at the Hardware - Hackint0sh.org; Hey guys I have a Acer Aspire 5600. Recently, I bought myself a 4gb ram ...
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    Default 4GB Ram + 10.5.8 = Hang on Boot?!, Any help will be greatly appreciated.

    Hey guys I have a Acer Aspire 5600. Recently, I bought myself a 4gb ram kit for this laptop. The laptop does support up to 4GB of ram. So before the upgrade I had only 1.5GB of ram. Leopard would boot perfectly fine, everything worked and nothing ever gave me a panic or crash. Now once I pop in my new 4GB kit into my laptop, windows boots perfectly yet Leopard hangs on boot. If I take one of the sticks out and leave just 2GB of ram, it works fine. Is there some sort of kext I can install to make it work with 4GB? I even memtested this ram and its stable no errors whatsoever. Could anyone please help me out?

    Also, I have noticed that my chipset even though i945GM is documented to support 4GB on manufacturer's sites, people have stated that there is a hardware limitation that the chipset does not support memory remapping for the 4GB. So in my bios I only see 3GB yet in like programs such as CPU-Z I can see I have 4GB just not 4GB effective just 3GB unfortunately. So I am wondering can this present a problem for Leopard? I mean Windows would perfectly. Yet, even with a 2GB stick and 1GB stick Leopard does not work. The only way Leopard worked would be in these configurations:

    Single 2GB Ram Stick
    512Mb stick plus 1GB Ram Stick
    2GB Ram stick plus 512Mb Ram Stick

    Any other config hangs the bootup of Leopard.



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    The maxmem kernel flag does not seem to work. For example, if I pop in the 512mb stick and a 2gb stick of ram they mac works. Though if I pop in the two 2gb sticks equaling 4gb and then set the kernel flag maxmem=2559 then it does not work. It seems like my VoodooHDADevice and my GMA950 both have like driver issues. GMA950's codecs timeout and VoodooHDADevice does not see its device IDs.

 

 

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