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Apple power mac g4 quicksilver 2002 User Manual

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    							 Take ApartLeft Side Panel  -   169
    2. Open the side access 
    panel.
    3. Remove the fan screws 
    and drop the fan bracket 
    down to access the 
    plastic panel tabs 
    (protruding through the 
    side chassis) on the left 
    side panel.  
    						
    							 Take ApartLeft Side Panel  -   170
    4. Using a needlenose 
    pliers, squeeze the tabs 
    (located behind the fan 
    bracket) to release the 
    left side panel from the 
    metal chassis.
    5. Lift the left side panel 
    from the chassis. 
    						
    							 Take ApartI/O Panel, PCI Graphics  -   171
    I/O Panel, PCI 
    Graphics
    Note: The I/O panel can be 
    removed only in Power Mac 
    G4 (PCI Graphics) 
    computers. The I/O panel in 
    Power Mac G4 (AGP 
    Graphics/Gigabit Ethernet/
    Digital Audio/QuickSilver/
    QuickSilver 2002) is part 
    of the chassis.
    Before you begin, do the 
    following:
    ¥ Open the side access 
    panel. 
    ¥ Remove the logic board. 
    						
    							 Take ApartI/O Panel, PCI Graphics  -   172
    1. Remove the two 
    mounting screws on the 
    I/O panel. 
    						
    							 Take ApartI/O Panel, PCI Graphics  -   173
    2. Tilt the I/O panel 
    forward and remove. 
    						
    							 Take ApartI/O Panel Cover  -   174
    I/O Panel Cover
    Before you begin, do the 
    following:
    ¥ Open the side access 
    panel.
    ¥ Remove the logic board.
    ¥ Power Mac G4 (PCI 
    Graphics): Remove the
    I/O panel. 
    						
    							 Take ApartI/O Panel Cover  -   175
    Note:  Because the I/O panel 
    cover can be difficult to 
    remove, take your time 
    prying up the plastic tabs.
    1. Using a jewelerÕs 
    screwdriver and 
    working from right to 
    left, carefully pry the  
    plastic tabs away from 
    the metal frame. As each 
    tab is released, pull the 
    I/O cover away from the 
    frame.
    2. Remove the I/O panel 
    cover from the chassis. 
    						
    							 
     Service Source 
    K
     
    © 2002 Apple Computer, Inc. All rights reserved. 
    Troubleshooting
     
    Power Mac G4/
    Macintosh Server G4 
    						
    							 
     TroubleshootingGeneral/Block Diagrams -  1 
    General 
    Block Diagrams 
    Power Mac G4 (QuickSilvers/Digital Audio) Block Diagram
    133 MHz
    memory bus133 MHz
    Max bus
    Headphone jack
    Apple speaker
    mini-jackEthernet port
    Firewire port
    Firewire port
    AGP
    4x slot 66 MHz AGP bus
    PCI slots
    64-bit
    33 MHz
    PCI bus
    Backside
    L3 cachePowerPC G4
    microprocessor
    L2 cache : 256K 1:1
    UniNorth
    memory
    controller
    and PCI
    bus bridge
    PMU99
    power
    controller
    Boot
    ROM
    Ethernet
    PHY
    Firewire
    PHY
    Tumbler
    audio
    Modem slot
    USB port A
    USB port B
    SDRAM DIMM slots
    Internal CD or DVD
    connector
    KeyLargo
    I/O device
    and disk
    controller
    Internal Zip drive
    connector
    Internal hard drive
    connectors
    Main Logic Board Processor Module
    EIDE
    bus
    Ultra ATA  bus
    Internal
    speaker
    connectorWireless
    LAN slot
    
     
    						
    							 
     TroubleshootingGeneral/Block Diagrams -  2 
    Power Mac G4 (Gigabit Ethernet) Block Diagram
    100 MHz
    memory bus100 MHz
    Max bus
    Microphone jack
    Headphone jack Ethernet port
    Firewire port
    Firewire port 32-bit
    66 MHz
    PCI busAGP
    2x slot AGP 2x bus
    PCI slots
    64-bit
    33 MHz
    PCI bus
    Backside
    L2 cachePowerPC G4
    microprocessor
    UniNorth
    memory
    controller
    and PCI
    bus bridge
    PMU99
    power
    controller
    Boot
    ROM
    Ethernet
    PHY
    Firewire
    PHYFirewire
    controller
    Screamer
    sound IC
    Modem slot
    USB port A
    USB port B
    SDRAM DIMM
    slots
    Internal DVD-ROM
    connector
    KeyLargo
    I/O device
    and disk
    controller
    Internal Zip drive
    connector
    Internal hard drive
    connectors
    Main Logic Board Processor Module
    PCI-PCI
    bus bridge
    ATA
    bus
    Ultra ATA  bus
    Internal
    speaker
    connectorWireless
    LAN slot
    
     
    						
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