Removing a ServeRAID SAS controller from the SAS riser-cardA ServeRAID SAS controller is installed in a dedicated slot on the SAS riser-card.About this taskImportant: If you have installed a SAS expander card in a 16-drive-capable server,the SAS controller is installed in a PCI riser-card assembly and is installed andremoved the same way as any other PCI adapter. Do not use the instructions inthis topic; use the instructions in “Installing a PCI adapter” on page 53 and“Removing a PCI adapter” on page 58.Depending on the server model, the server comes with a ServeRAID-BR10il v2SAS/SATA controller or a ServeRAID-M1015 SAS/SATA controller installed.You can replace the ServeRAID SAS controller with another supported ServeRAIDSAS controller. For a list of supported ServeRAID SAS controllers, seehttp://www.ibm.com/systems/info/x86servers/serverproven/compat/us/.Note: For brevity, in this documentation the ServeRAID SAS controller is oftenreferred to as the SAS controller.To remove the SAS controller from a SAS riser-card, complete the following steps:1. Read the safety information that begins on page “Safety” on page v and“Installation guidelines” on page 37.2. Turn off the server and peripheral devices and disconnect all power cords andexternal cables (see “Turning off the server” on page 23).3. Remove the cover (see “Removing the cover” on page 45).4. Locate the SAS riser-card and controller assembly near the left-front corner ofthe server.5. Disconnect the SAS signal cables from the connectors on the SAS controller andnote their locations.6. Remove the SAS controller assembly, which includes the SAS riser-card, fromthe server (see “Removing the SAS riser-card and controller assembly” on page129).16-drive-capable server model:Figure 140. SAS controller assembly removal134 System x3650 M3 Types 4255, 7945, and 7949: Installation and User’s Guide
