If you have other devices to install or remove, do so now. Otherwise, go to“Completing the installation” on page 101.Removing a ServeRAID SAS/SATA controllerThe ServeRAID SAS/SATA controller can be installed in the dedicated connector onthe system board or PCI riser-card slots (see “System-board internal connectors” onpage 33 for the location of the connectors).You can replace the ServeRAID controller with another supported ServeRAIDcontroller. For a list of supported ServeRAID controllers, see http://www.ibm.com/servers/eserver/serverproven/compat/us/.Note: For brevity, in this documentation the ServeRAID SAS/SATA controller isoften referred to as the SAS/SATA adapter or the ServeRAID adapter.To remove the SAS/SATA adapter from the system board, complete the followingsteps:1. Read the safety information that begins on page vii and the “Installationguidelines” on page 38.2. Turn off the server and peripheral devices and disconnect the power cords.3. Remove the cover (see “Removing the cover” on page 50).4. Locate the SAS/SATA adapter between PCI slot 1 and microprocessor 1.5. Disconnect the signal cables and power cables from the connectors on theSAS/SATA adapter and note their locations.6. Grasp the end of the SAS/SATA adapter near microprocessor 1 while you slidethe brackets. Slide the retention bracket (near the chassis) toward the chassis;then, slide the other retention bracket toward the power supplies.Note: If you have installed the optional ServeRAID adapter memory card,remove it and keep it in future use.7. Pull the SAS/SATA adapter horizontally out of the connector on the systemboard.70 IBM System x3550 M4 Type 7914: Installation and User’s Guide
