11. Turn on the peripheral devices and the server.Removing the ServeRAID M5120 SAS/SATA Controller for SystemxThis information provides instructions on how to remove the ServeRAID M5120SAS/SATA Controller for System x.About this taskTo remove a ServeRAID M5120 SAS/SATA controller, complete the following 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. Remove the adapter from the system board.a. Disconnect the cables from the existing adapter.b. Disconnect the cable from the RAID cache card, if a cache card is installedon the adapter.c. Carefully grasp the adapter by the edges and pull it out of the connector onthe system board.d. Remove the RAID cache card from the adapter (see “Removing a RAIDcache card” on page 276).e. Go to step 6.5. Remove the adapter from the PCIe riser-card assembly.a. Disconnect the cables from the existing adapter.b. Disconnect the cable from the RAID cache card, if a cache card is installedon the adapter.c. Carefully grasp the riser card by the blue touch points and pull it up untilthe riser-card assembly disengages from the connector on the system boardand set it aside.d. Carefully grasp the adapter and pull it out of the riser-card assembly.e. Remove the RAID cache card from the adapter (see “Removing a RAIDcache card” on page 276).6. If you are instructed to return the adapter, follow all packaging instructions,and use any packaging materials for shipping that are supplied to you.254 System x3750 M4 Types 8722 and 8733: Installation and Service Guide
