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Thread: Emac Ram Help

  1. #1
    PowerbookG417
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    Emac Ram Help
    Hey folks needs some help here

    my girlfriend has an emac, and she came across a stick of 512mb sdram for it...we plug it in and we get a single beep tone stating that the memory is unreconized.
    she got a stick of infineon ram, the stick on it reads

    HYS72g65300tr-7.5-D 64Mx72 SDRAM
    D38411106 PC133R-333-542-B2
    Assembled in Italy
    512mb , sync , 133 mhz, cl3, ecc, reg

    i stick this ram into my PC computer cause i have a powerbook myself and it works just fine...not that i dont mind an extra 512 in my pc but she really needs it when she only has 256mb... can anyone lend a hand....and info ... is this sd ram not compatiable ????

  2. #2
    PowerbookG417
    Guest
    oh forgot to mention that her mac is an older emac its the snow mac 700 mhz model running 10.2.8, and i have tried both slots to get it to work..

    thanks in advance

  3. #3

    Padawan's Avatar
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    It sounds as if it's incompatible. Make sure it meets all of the requirements found here: http://developer.apple.com/documenta...ID_5-TPXREF102
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  4. #4


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    The maximum ram speed for the 700mhz emac is 125mhz. I am not sure it would accept the faster ram or if there is some other problem.

    The full specs of the ram used by the eMac is

    PC133 3.3 volt, unbuffered, 8-byte, non-parity,168-pin SDRAM
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  5. #5
    HopperJonusFang
    Guest
    Try swapping the position of the RAM sticks, this has worked for me in the past and most recently frmo when I upgraded from 384Mb to 512Mb.

  6. #6

    the_New_guy's Avatar
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    it has a 100Mhz bus it will not take 133Mhz
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  7. #7

    Padawan's Avatar
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    Quote Originally Posted by trpnmonkey41
    The maximum ram speed for the 700mhz emac is 125mhz.
    Actually, the speed must be 125 MHz or greater according to Apple.
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  8. #8
    PowerbookG417
    Guest
    well your wrong about the speed...cause what it shipped with was 128mb 133mhz ram, and i added an additional 128mb 133 and everything works fine..so the 512 stick i have should in theory work...i think it might have to many chips on it for the mac to understand.

    as far as the slots i have tried changing that..i noticed that was well when i added the other 128mb, but it gave a 2 beep error code sometimes...but when i stick in the 512mb card in both slots by its self i get a single beep code.

  9. #9


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    Quote Originally Posted by Padawan
    Actually, the speed must be 125 MHz or greater according to Apple.
    Woops yea I read to quickly and saw Min as Max
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