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Apple power mac g4 agp graphics User Manual

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     Take ApartProcessor Module, Power Mac G4 (QuickSilvers)  -   29 
    2. For dual processors: 
    Release the right heat-
    sink clip by pressing 
    down on the top of the 
    clip with a screwdriver 
    while using a second 
    flatblade screwdriver to 
    lift up and out on the 
    clipÕs front tab. Repeat 
    for the left heatsink clip. 
    ±
     
    Warning:  
      Be careful 
    when pressing down on 
    the top of the clip. Too 
    much pressure can cause 
    the screwdriver to slip 
    and damage the logic 
    board.  
    						
    							 
     Take ApartProcessor Module, Power Mac G4 (QuickSilvers)  -   30 
    3. Remove both clips and 
    lift the heatsink off the 
    processor module. 
    ±
     
    Warning:  
      When 
    removing the heatsink, 
    be careful not to bend the 
    processor module 
    beneath it. 
    						
    							 
     Take ApartProcessor Module, Power Mac G4 (QuickSilvers)  -   31 
    ±
     
    Warning:  
      Double-check 
    that the computer is turned 
    off before performing this 
    procedure. The screw in the 
    bottom left circle of the 
    illustration conducts 12 V 
    and could spark if grounded 
    while the computer is on.
    4. Remove the four 
    mounting screws. 
    						
    							 
     Take ApartProcessor Module, Power Mac G4 (QuickSilvers)  -   32 
    5. To disconnect the 
    processor from the logic 
    board, hold it by the long 
    edges, gently rock the 
    processor right to left, 
    and lift straight up.  
    ±
     
    Warning:  
      Hold the 
    module as shown when 
    removing or installing it 
    to avoid bending the 
    processor connector 
    pins. 
    Replacement Note: 
     When 
    replacing the processor 
    module, tighten all screws 
    snugly, but not so tightly as 
    to damage the module. If the  
    						
    							 
     Take ApartProcessor Module, Power Mac G4 (QuickSilvers)  -   33 
    conducting screw is loose, 
    arcing can occur, damaging 
    the processor. 
    Important: 
     If you are 
    installing a new processor, 
    use the screw included in the 
    processor box. Install the 
    screw in the screw hole 
    exposed by the heatsink, as 
    shown in the illustration. Be 
    sure to tighten the screw 
    snugly, but do not 
    overtighten.  
    Note: 
     The old screw should 
    be discarded. 
    						
    							 
     Take ApartProcessor Module, Power Mac G4 (QuickSilvers)  -   34 
    Important: 
     If you are 
    replacing the processor 
    module, you must also 
    transfer the replacement 
    moduleÕs connector cover to 
    the connector on the original 
    module before returning it 
    to Apple. 
    ±
     
    Warning: 
      Be sure to 
    reinstall the heatsink after 
    replacing or reinstalling the 
    processor module. Operating 
    the computer without the 
    heatsink in place will 
    destroy the processor.  
    						
    							 
     Take ApartProcessor Module, AGP Graphics/Gigabit Ethernet/Digital Audio  -   35 
    Processor Module, 
    AGP Graphics/Gigabit 
    Ethernet/Digital Audio 
    Before you begin, open the 
    side access panel. 
    ±
     
    Warning: 
      The heatsink 
    covering the processor may 
    be hot. If the computer has 
    been recently operating, 
    allow it to cool down before 
    performing this procedure. 
    						
    							 
     Take ApartProcessor Module, AGP Graphics/Gigabit Ethernet/Digital Audio  -   36 
    1. While pressing down on 
    the top of the heatsink 
    clip, use a small 
    flatblade screwdriver to 
    lift up and out on the 
    front tab of the clip to 
    release it.
    2. Remove the heatsink clip 
    and lift the heatsink off 
    the processor module. 
    ±
     
    Warning: 
      When 
    removing the heatsink, 
    be careful not to bend the 
    processor module 
    beneath it. 
    						
    							 
     Take ApartProcessor Module, AGP Graphics/Gigabit Ethernet/Digital Audio  -   37 
    3. Remove the processor 
    mounting screws.
    4. To disconnect the 
    processor from the logic 
    board, hold it by the 
    edges nearest the two 
    opposing screw holes (on 
    either side of the 
    connector), gently rock 
    the processor right to 
    left, and lift straight up.  
    ±
     
    Warning: 
      Hold the 
    module as shown when 
    removing or installing it 
    to avoid bending the 
    processor connector 
    pins. 
    						
    							 
     Take ApartProcessor Module, AGP Graphics/Gigabit Ethernet/Digital Audio  -   38 
    Important: 
     If you are 
    replacing the processor 
    module, you must also 
    transfer the replacement 
    moduleÕs connector cover to 
    the connector on the original 
    module before returning it 
    to Apple. Make sure the hole 
    in the cover aligns with pin 
    one (marked by a white V) 
    on the connector.  
    						
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