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Power Mac G4 MDD CPU Heatsink Replacement

はじめに

The Power Mac G4 MDD had various heatsinks based of the processor, it had a pure copper heatsink for the dual 1.42Ghz model, and a thick finned heatsink for earlier models, and the later models had a thin aluminum finned heatsink.

必要な工具と部品

  1. Power Mac G4 MDD CPU Heatsink Replacement, Case: 手順 1、 2の画像 1 Power Mac G4 MDD CPU Heatsink Replacement, Case: 手順 1、 2の画像 2

    • The Power Mac G4 MDD: the last, and the fastest G4-based Mac. This computer boasted up to a Dual 1.42GHz PowerPC G4 CPU (though I have a single 1.25GHz).

    • Two USB 1.1 Ports

    • Assorted Audio

    • Video (ADC & DVI)

    • Networking (RJ-45 Ethernet/56k Modem)

    • Some later model MDD's (such as the dual 1.42GHz) Have a FireWire 800 Port Here:

    編集

  2. Power Mac G4 MDD CPU Heatsink Replacement: 手順 2、 3の画像 1 Power Mac G4 MDD CPU Heatsink Replacement: 手順 2、 3の画像 2 Power Mac G4 MDD CPU Heatsink Replacement: 手順 2、 3の画像 3

    • Unplug the computer.

    • Unplug the power supply and all external connections from the computer.

    • Pull on the side lever and lower the side of the case.

    編集

  4. Power Mac G4 MDD CPU Heatsink Replacement, RAM: 手順 3、 3の画像 1 Power Mac G4 MDD CPU Heatsink Replacement, RAM: 手順 3、 3の画像 2 Power Mac G4 MDD CPU Heatsink Replacement, RAM: 手順 3、 3の画像 3

    • The ram is between the graphics card, and the CPU, and removal is simple. Push the tabs down on both sides, this will free the ram, then lift it out.

    • The MDD uses a maximum of 2GB PC2700 DDR RAM (512MB X4) and has 4 slots.

    編集

  5. Power Mac G4 MDD CPU Heatsink Replacement, CPU Heatsink: 手順 4、 1の画像 1

    • Now, remove these three Phillips screws:

    • As there are two Phillips screws well, there are two that you can see in the photo, but you want to remove the screws that are behind them.

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  6. Power Mac G4 MDD CPU Heatsink Replacement: 手順 5、 2の画像 1 Power Mac G4 MDD CPU Heatsink Replacement: 手順 5、 2の画像 2

    • Now, lift the heatsink up off the computer, it is pretty heavy, because it's a giant block of aluminum.

    • Be careful when holding it, the edges can be sharp, making it likely to get cut if you hold it wrong!

    • As you may be able to tell, i have applied a replacement coat of Arctic Silver 5 to keep my MDD cooler than the stock paste, it really does a great job too!

    編集

  7. Power Mac G4 MDD CPU Heatsink Replacement: 手順 6、 2の画像 1 Power Mac G4 MDD CPU Heatsink Replacement: 手順 6、 2の画像 2

    • The incredibly large heatsink, this thing is 5 Lbs of solid aluminum. Just like every other part in this, and many other Macs, the heatsink is made by: ...you guessed it, Foxconn.

    • Before reinstalling, ensure that you clean the old thermal paste off of the heatsink with alcohol.

    編集
終わりに

To reassemble your device, follow these instructions in reverse order.

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Chris Green

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