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  1. #1
    joeman16_98
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    Memory compatibility from G3 to G4
    Does anyone know if my older G3 memory can be moved to a G4?

  2. #2
    Memory compatibility from G3 to G4
    Avalon's Avatar
    Member Since
    Jun 25, 2004
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    PowerMac G5 Dual 2GHz (June 2004), 2.5GB, Airport, black 5G iPod 30GB, white MacBook 2.0 2GB
    Depends on which G4...
    The G3 used, if I remmember well, PC100 SDRAMs. These are compatible with all G4s running with a 100MHz system bus (aka front side bus).
    This means the G4 (PCI or Yikes!), the G4 (AGP or Sawtooth) and the G4 (Gigabit Ethernet or Mystic).
    The next model in the line, the G4 (Digital Audio) has a 133MHz FSB, so it needs PC133 SDRAMS.

  3. #3
    Memory compatibility from G3 to G4
    Padawan's Avatar
    Member Since
    Jul 21, 2003
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    Specs:
    14" iBook G3 900/640/40 _ _ Power Macintosh G3 All-In-One 315/768/20 _ _ 20 GB iPod
    Beige G3's used PC66, which I don't believe would be compatible with any G4, unless it was a Beige G3 upgraded with a ZIF upgrade.
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  4. #4
    Memory compatibility from G3 to G4

    Member Since
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    Hamilton College
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    20" iMac C2D 2.16ghz, 13" MacBook 2.0ghz, 60gb iPod vid, 1gb nano
    The G3 Blue and White used PC 100.....the G3 Desktop, Mini-Tower and All-in-one used PC 66. All of the G4's up to the Digital Audio used PC 100
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  5. #5
    Memory compatibility from G3 to G4
    Avalon's Avatar
    Member Since
    Jun 25, 2004
    Location
    Luxemburg, Europe
    Posts
    1,779
    Specs:
    PowerMac G5 Dual 2GHz (June 2004), 2.5GB, Airport, black 5G iPod 30GB, white MacBook 2.0 2GB
    As you can see, joeman, there are lots of differences...
    If you give us more precise information about which G3 and which G4, we can give you a more accurate answer. :cool:

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