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Description: Ships: Price:
512MB PC133 CL3 SO-DIMM for iMac G4 700/800Mhz, PowerBook G3 Pismo, PowerBook G4 Titanium & Apple iBook G3 Models! Up to 1GB in PowerBooks & iMac; up to 640MB in iBook using this 512MB Module. New, Lifetime Advance Replacement Limited Warranty. (TPW133SO512L) Same Day $16.79
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Now you can have the 1GB of RAM in your PowerBook G4 Titanium that Apple promised when you bought it!!

OWC SO-DIMM modules meet or exceed Apple Specifications insuring complete compatibility and a lifetime of reliable operation. Major brand chips are installed on a high quality third party board. Should an OWC provided memory module ever fail, a replacement will be provided free of charge upon the return of the failed/defective module to OWC. Why do I need more RAM?



Click here to get your Model Identifier number
  • This memory module is compatible with the following Apple Systems
    • Apple PowerBook G4 aka "Titanium" (All Models) PowerBook3,2
    Click HERE for installation instructions
    • Apple iBook G3 (Dual USB) 12" (All Models)
    Click HERE for installation instructions
    • Apple iBook G3 (Dual USB) - 14" (All Models)
    Click HERE for installation instructions
    • Apple PowerBook G3 2000, aka "Pismo", aka "FireWire" PowerBook3,1
    Click HERE for installation instructions
    • Apple iMac G4/700MHz PowerBook4,2
    Click HERE for installation instructions
    • Apple iMac G4/800MHz PowerBook4,2
    Click HERE for installation instructions



    OWC Notes about restarting problems and 512MB memory modules
    Firmware Update 4.2.9 includes improvements to Firewire target disk mode when running Mac OS X, and improves starting up on systems with 1gigabyte (GB) RAM and enables Netbooting over gigabit Ethernet.

    Thank You for being an Other World Computing customer!




    OWC Notes about Apple Firmware updates
    OWC Memory has been tested and is found 100% compatible all Apple Firmware versions including the latest 4.1.x & 4.2.x updates. Many people have experienced problems with memory after installing this latest update, but OWC has always provided memory fully meeting Apple stated specifications and as such has not been subject to these problems.

    Thank You for being an Other World Computing customer!



    Compatible with popular brand Intel / AMD Processor based PC brands including but not limited to Acer, Dell, HP, Lenovo, Sony, and Toshiba capable of using a module of the Specifications listed above. Our modules comply with JEDEC Specifications, document JESD79-3B.

    Please check your computer's specifications in your owner's manual or at the manufacturer's web site in order to confirm whether the above specifications match your particular computer's needs. You can also find this information using a free utility such as "System Information for Windows" by Topala Software.
    Click here to get your memory specs (PC Users)

    A note about compatibility with upgrades:
    Compatibility is listed by Apple Stock Model/Stock Information. This compatibility does not change even if you have upgraded your system from stock with faster processor upgrade, etc.



  • Product Specifications
    • PC133 SO-DIMM (PC-100 / PC-66 backwards compatible)
    • CL3 Rated Refresh
    • 3.3 Volt
    • 144 Pin
    • 1.25" tall (low profile)

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