Lenovo ThinkServer RD550 - Manual (Page 155)

16. Disconnect all cables from the system board.
17. Lift the release pin 1 and the lifting handle 2 to disengage the system board from the chassis. Then,
move the system board to the front of the server and carefully pivot the system board upward to remove
it out of the chassis.
Note: Carefully handle the system board by the release pin 1 and the lifting handle 2 .
Figure 121. Removing the system board
18. Place the old system board on a clean, flat, and static-protective surface. Touch the static-protective
package that contains the new system board to any unpainted surface on the outside of the server.
Then, take the new system board out of the package.
Chapter 6 . Replacing hardware 141