System Board 141
System-Board Jumper Settings
Removing the System Board
CAUTION: Before you remove any component from the system
board, read the steps in "Precautionary Measures."
NOTE: The system board
and metal tray are
attached and are removed
as one piece.
1Remove any components that restrict access to the system board.
2Disconnect all cables from the system board.
3Before 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.
4Pull up on the tab and slide the system board toward the front of the
computer; lift it up and away.
Jumper Setting Description
PSWD (default) Password features are enabled.
Password features are disabled.
RTCRST Real-time clock reset. Can be used for
troubleshooting purposes.
jumpered unjumpered