System Board; Removing The System Board - Dell OptiPlex 3000 Tower Service Manual

Steps
1. Insert the main-antenna into the ANT-W slot and auxiliary-antenna into the ANT-B slot.
2. Route the antennas using the routing guides and insert the antenna cables through the hole that is provided in the system
chassis.
3. Replace the two screws to secure the main and auxiliary antennas to the system chassis.
4. Connect the antenna cables to the WLAN card.
The following table provides the antenna-cable color scheme:
Table 3. Antenna-cable color scheme
Connectors on the wireless card
Main (white triangle)
Auxiliary (black triangle)
Next steps
1. Install the side cover.
2. Follow the procedure in

System board

Removing the system board

Prerequisites
1. Follow the procedure in
NOTE: Your computer's Service Tag is stored in the system board. You must enter the Service Tag in the BIOS setup
program after you replace the system board.
NOTE: Replacing the system board removes any changes that you have made to the BIOS using the BIOS setup
program. You must make the appropriate changes again after you replace the system board.
80 Removing and installing components
after working inside your
before working inside your
Antenna-cable color
White
Black
computer.
computer.