Removing and replacing a type -a controller

WARNING: To reduce the risk of personal injury from hot surfaces, allow the drives and the internal system components to cool before touching them.
CAUTION: To prevent damage to electrical components, properly ground the server before beginning any installation procedure. Improper grounding can cause electrostatic discharge.
Procedure
  1. Back up all server data.
  2. Power down the server (Power down the server).
  3. Disconnect all peripheral cables from the server.
  4. Remove the system board module from the chassis (Removing the system board module from the chassis).
  5. Place the tray on a flat, level work surface.
  6. Disconnect any cables connected to the controller, and then remove the controller.

    To replace the component, reverse the removal procedure.