Apple power mac g4 cube User Manual

Power Mac G4 Cube Take Apart - 69
 Logic Board7. Tilt up the board slightly and disconnect the two ribbon cable connectors from the 
underside of the logic board. 

70 - Power Mac G4 Cube Take Apart
 Logic Board 8. Remove the logic board from the computer.
9. To remove the Ethernet card from the logic board, remove the Ethernet card Torx T10 
screw.
10. Turn over the logic board and disconnect the Ethernet card from the logic board. 

Power Mac G4 Cube Take Apart - 71
 Logic Board11. Holding the processor card and heat spreader by the edges, remove the card and its 
three short standoffs from the logic board.
Replacement Note: Use the processor standoffs from the original logic board when 
installing the processor card on the replacement logic board.
Replacement Note: Check that the three tall logic board standoffs are on the 
replacement logic board. If they are missing, transfer them from the original board.
Standoffs 

72 - Power Mac G4 Cube Take Apart
 Logic Board 12. Install the replacement logic board, and reassemble and test the computer.
Warning: Never turn on the computer unless all of its internal and external 
parts are in place and it is closed. Operating the computer when it is open or 
missing parts can damage the computer or cause injury. 

Power Mac G4 Cube Take Apart - 73
 Processor Card
Processor Card
Tools
The only tool required for this procedure is a jewelerÕs ßat-blade screwdriver.
Preliminary Steps
Before you begin, remove the following:
¥ Computer core from enclosure
¥ Video card and video riser card
¥ Modem board
¥ Memory card
¥ Top plate assembly
¥ DC-to-DC board
¥ Logic board
Procedure
1. Holding the processor card and heat spreader by the edges, disconnect the card from 
the logic board. 

74 - Power Mac G4 Cube Take Apart
 Processor Card Replacement Note: Make sure the three processor standoffs are in place on the 
logic board before installing the new processor card.
2. Using a jewelerÕs ßat-blade screwdriver, release the two heat spreader metal clips 
from the processor card and remove the heat spreader from the card.
3. Install the heat spreader on the replacement processor card, and reconnect the card 
to the logic board. Ensure that all three processor standoffs are in place and the...

Power Mac G4 Cube Take Apart - 75
 Ethernet Card
Ethernet Card
Tools
The only tool required for this procedure is a Torx T10 screwdriver.
Preliminary Steps
Before you begin, remove the following:
¥ Computer core from enclosure
¥ Video card and video riser card
¥ Modem board
¥ Memory card
¥ Top plate assembly
¥ DC-to-DC board
¥ Logic board
Procedure
1. With the logic board removed from the computer core, remove the Ethernet card 
screw. 

76 - Power Mac G4 Cube Take Apart
 Ethernet Card 2. Turn over the logic board and disconnect the Ethernet card from its connector.
3. Install the replacement Ethernet card, and reassemble and test the computer.
Warning: Never turn on the computer unless all of its internal and external 
parts are in place and it is closed. Operating the computer when it is open or 
missing parts can damage the computer or cause injury. 

Power Mac G4 Cube Take Apart - 77
 AirPort Door
AirPort Door
Tools
This procedure requires the following tools:
¥ Torx T10 screwdriver
¥ JewelerÕs flat-blade screwdriver
Preliminary Steps
Before you begin, remove the following:
¥ Computer core from enclosure
¥ Video card and video riser card
¥ Modem board
¥ Memory card
¥ Top plate assembly
¥ DC-to-DC board 

78 - Power Mac G4 Cube Take Apart
 AirPort Door
Procedure
1. Place the computer core on its side so the logic board is on top and the memory card 
slots are on your left. Using a Torx T10 screwdriver, remove the two screws at the end 
of the board.
 
2. Locate the two screws in the uppermost left corner of the board. Remove the screw 
farthest from the corner.