Apple power mac g4 gigabit ethernet User Manual

 Take ApartFront Panel Board, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio  -  
5. Push in and pry up on 
the three tiny metal tabs 
to release the front panel 
board from the front 
panel shield. 

 Take ApartAntenna -  1 4 0
Antenna
Note: The antenna is routed 
through the chassis in two 
ways: under the logic board 
and through drive bay 1. Do 
not remove or replace the 
antenna if it is routed under 
the logic board. To replace 
this type of antenna, you 
must replace the entire 
chassis. 
Before you begin, remove 
the following:
¥ top front handle
¥ top panel
¥ carrier support plate (if  

 Take ApartAntenna -  1 4 1
the antenna cable is 
routed underneath it)
¥ CD-ROM drive carrier
1. Disconnect the antenna 
cable from the AirPort 
card (if installed).
2. Free the antenna cable 
from the cable clamp and 
the fan bracket. 

 Take ApartAntenna -  1 4 2
3. Using a jewelerÕs screw 
driver, remove the 
antenna mounting 
screws and lift the 
antenna and antenna 
cable out of the 
computer. 

 Take ApartTop Handles, Front and Rear  -   143
Top Handles, Front 
and Rear 
No preliminary steps are 
required before you begin 
this procedure. 

 Take ApartTop Handles, Front and Rear  -   144
1. Using a 2.5 mm Allen 
wrench, remove the two 
allen screws securing 
each handle.
2. Lift the handle from the 
computer. 

 Take ApartTop Handles, Front and Rear  -   145
Replacement Note: When 
installing the top handles 
(front and rear) orient 
them so that the three tiny 
bumps on the handle are in 
the orientation shown in the 
photo.  The handle wonÕt fit 
properly if itÕs turned 
upside down. The top front 
and top rear handles are 
interchangeable.  

 Take ApartTop Panel -  146
Top Panel
Before you begin, remove 
the following:
¥ top front handle
¥ top rear handle 

 Take ApartTop Panel -  147
1. Slide the top panel back, 
towards the power 
supply, to unhook the 
tabs.
2. Lift the top panel from 
the chassis. 

 Take ApartSupports, Front and Rear  -   148
Supports, Front and 
Rear 
Before you begin, place the 
computer on an ESD mat and 
turn the unit upside down.
±Warning:  When the 
computer is upside down or 
the lower supports are 
removed, the computer can 
be unstable.