Apple power mac g5 User Manual

136 Power Mac G5 Take Apart

Part Location 

Power Mac G5 Take Apart 137

Procedure
Locate the modem filter board on the logic board.
Remove the screw that secures the metal cover to the modem filter board. Remove the 
metal cover. Note:  The cable routes under the logic board.
1.
2. 

138 Power Mac G5 Take Apart

Slide the modem filter board off the metal frame to access another screw below the modem 
filter board.
Remove the screw on the metal frame. 
3.
4. 

Power Mac G5 Take Apart 139

Pull the EMI fence away from the logic board just enough to free the modem filter board 
cable from the hole (see step 2) on the logic board. Note: The modem filter board, cable, and 
EMI are one service part.
Replacement Note:  If you replace the modem filter board, its cable (A below) routes underneath 
the logic board. (B=AirPort cable, C=Bluetooth cable)
5. 

140 Power Mac G5 Take Apart

Antenna Board and Cables: 
Power Mac G5 (June 2004/ 
Early 2005)
Note: Some Power Mac G5 (June 2004 Dual 1.8 GHz) computers route the antenna board cables 
on top of the logic board. Refer to the “Antenna Board and Cables: Power Mac G5” procedure 
earlier in this chapter.
Tools
The only tools required for this procedure are a long-handled and a short-handled Phillips 
screwdriver. 
Preliminary Steps
Before you begin, open the computer, lay it on its side with the access side...

Power Mac G5 Take Apart 141
Part Location
Procedure
Disconnect the antenna cables from the Bluetooth card and the AirPort Extreme card (if 
installed).  
Note: If the Bluetooth card and the AirPort Extreme card are not installed, release the cables 
from the clip on the PCI divider (shown below). 
1. 

142 Power Mac G5 Take Apart
Remove the two antenna board mounting screws. Remove the board with the cables.
Replacement Note:  If you replace the antenna board, its cables (B and C below) route 
underneath the logic board and connect to the Bluetooth card and AirPort Extreme Card on the 
top side of the logic board. (A=modem filter board cable)
2. 

Power Mac G5 Take Apart 143

PCI Divider: Power Mac G5
Tools
The only tools required for this procedure are a long-handled Phillips screwdriver, a short-
handled Phillips screwdriver, and a hex wrench.
Preliminary Steps
Before you begin, open the computer, lay it on its side with the access side facing up, and remove 
the following:
Front inlet fan assembly
Heatsink cover(s)
Processor(s)
All AGP and PCI cards
Rear exhaust fan assembly
PCI card guide
Speaker/fan assembly
Front panel board cable
Memory...

144 Power Mac G5 Take Apart

Procedure
Disconnect the front inlet fan cable from the logic board.
Remove the thermistor from the cable guide on the end of the PCI divider.
1.
2. 

Power Mac G5 Take Apart 145

Remove the modem filter board cable, Bluetooth cable, and AirPort cable from the cable 
guides on the PCI divider. 
Replacement Note: Be careful when rerouting the two antenna cables that they route under 
the black connector for the front inlet fan. Make sure that the cables are in place behind all 
cable guides.
Turn the logic board over so that bottom of the board faces up. Remove the three screws 
that secure the PCI divider, and remove the divider from the logic board....