Dell Precision 350 - Manual (Page 39)

System-Board Jumper Settings
Removing the System Board
1. Remove any components that restrict access to the system board.
2. Disconnect all cables from the system board.
3. Before you remove the existing system board, visually compare the replacement system board to the existing system board to make sure that you have
the correct part.
4. Pull up on the tab and slide the system board toward the front of the computer, and then lift it up and away.
Removing the System Board
5. Place the system board that you just removed next to the replacement system board.
Replacing the System Board
Jumper Setting Description
PSWD
(green jumper)
(default)
Password features are enabled.
Password features are disabled.
CLR_CMOS Clears the CMOS settings
jumpered unjumpered
CAUTION: Before you remove any component from the system board, see " Before You Begin ."
NOTE: The system board and metal tray are attached and are removed as one piece.