Dell PowerEdge 2800 - Manual (Page 8)

18. To remove the system board:
a. Lift up the blue retention pin and slide the system board toward the front of the system to disengage the board from the retention tabs on the
chassis. See Figure 1 -6 .
b. Lift the system board out of the system.
Figure 1-6. Removing the System Board
Installing the System Board
1. Unpack the new system board.
2. Holding the system board by its front edge and the memory module socket ejectors, carefully lower the system board into the chassis, making sure that
the I/O connectors on the back edge of the board fit underneath the ledge on the inside of the chassis back panel.
When the board is properly positioned, the tabs on the chassis will fit through the corresponding slots in the system board.
3. Slide the system board tray toward the back of the chassis until the retention pin snaps into place.
4. Replace the center fan assembly cradle.
5. If applicable, replace the RAC card. See "Installing a RAC Card" in the Installation and Troubleshooting Guide.
6. If applicable, replace the RAID key. See "Activating the Integrated RAID Controller" in the Installation and Troubleshooting Guide.
7. If applicable, reconnect the parallel port cable to 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.