Note: If there is a gap between the DIMM and the retaining clips, the DIMMhas not been correctly inserted; open the retaining clips, remove the DIMM,and then reinsert it.9. Replace the DIMM air baffle (see “Replacing the DIMM air baffle” on page233) or the microprocessor and memory expansion tray (see “Replacing themicroprocessor and memory expansion tray assembly” on page 131), if youremoved it earlier.10. Reconnect the power cord and any cables that you removed.11. Replace the cover (see “Replacing the server top cover” on page 227).12. Turn on the peripheral devices and the server.Removing the ServeRAID M1115 SAS/SATA Controller for SystemxThis information provides instructions on how to remove the ServeRAID M1115SAS/SATA Controller for System x.About this taskTo remove the ServeRAID M1115 SAS/SATA Controller for System x, complete thefollowing steps:Procedure1. Read the safety information and installation guidelines, see “Safety” on page viiand “Installation guidelines” on page 35.2. Turn off the server (see “Turning off the server” on page 22) and all attachedperipheral devices. Disconnect all power cords; then, disconnect all externalcables as necessary to replace the device.3. Remove the top cover (see “Removing the server top cover” on page 226).4. Disconnect the signal cables from the adapter.5. Disconnect the cable from the RAID cache card, if one is installed (see“Removing a RAID cache card” on page 276).6. Grasp the riser-card assembly at the blue touch points and pull it up until theriser-card assembly disengages from the connector on the system board.7. Remove the adapter from the riser card.8. If you are instructed to return the SAS/SATA adapter, follow all packaginginstructions, and use any packaging materials for shipping that are supplied toyou.Chapter 6. Removing and replacing components 249
