Dell 1900 Personal Computer User Manual


 
Installing System Components 99
Figure 3-28. Removing the System Board
Installing the System Board
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the
components inside the system. See your Product Information Guide for complete information about safety
precautions, working inside the computer, and protecting against electrostatic discharge.
1
Unpack the new system board.
2
Install the system board.
a Hold
t
he system board by its front edge and the system board handles. See
Figure 3-28.
b
Ca
refully lower the system board into the chassis
with the DIMM-socket side of the board tilted
down slightly to allow room for the board to clear the chassis wall slides. Ens
ure that the I/O
connectors on the back edge of the board fit underneath the ledge on the inside of the chassis
back panel.
1 system board 2 system board handles (3) 3 chassis hooks
4 retention pin
4
1
2
3