IBM 8676 - Eserver xSeries 335 Hardware Maintenance Manual And Troubleshooting Manual page 87

System board
screws (7 places)
I/O port
screws (6 places)
13. Remove the six I/O port screws at the rear of the server.
14. Remove the eight screws securing the two heat sink retention modules to the
system board. These eight screws also secure the system board to the
chassis.
15. Remove the seven screws on the system board that secure the system board
to the chassis.
16. Pull the board carefully out of the server, taking special care not to disturb any
surrounding components.
17. To reinstall the board, place it carefully into position and ensure the locator pin
engages the locator hole in the system board.
18. Reverse steps 5 on page 76 through 12 on page 76 to replace the
components that were removed.
Note: When reassembling the components in the server, be sure to route all
cables carefully so that they are not exposed to undue pressure.
Heat-sink
retainer bracket
screws (8 places)
Locator
hole
Locator pin
Chapter 5. Service replaceable units
77