2. Turn off the server and peripheral devices and disconnect the power cords.Note: When you disconnect the power source from the server, you lose theability to view the LEDs because the LEDs are not lit when the powersource is removed. Before you disconnect the power source, make anote of which LEDs are lit; then, see the Problem Determination andService Guide for information about how to solve the problem.3. Remove the cover (see “Removing the cover” on page 29).4. Carefully grasp the riser-card assembly at the front and rear edges and lift toremove it from the PCI connectors on the system board.5. Disconnect the signal cables and power cables from the existing SAS/SATAadapter (if one is installed).6. Carefully grasp the SAS/SATA adapter and pull it out of the connector on theriser-card assembly.7. Remove the expansion-slot cover on the slot that you intend to use and savefor future use.Attention: PCI expansion-slot covers must be installed on all vacant slots.8. Place the SAS/SATA adapter into a static-protective package and put it in asafe place.9. Touch the static-protective package that contains the new ServeRAID-MR10iSAS/SATA adapter to any unpainted surface on the outside of the server; then,grasp the adapter by the top edge or upper corners of the adapter and removeit from the package.10. Take the signal cable that is attached to the drive backplane and connect it tothe ServeRAID-MR10i SAS/SATA adapter. The following illustration shows theconnectors on the controller.11. Route the signal cables from the drive backplane through the fan cage hole onthe left of fan 1 as shown in the following illustration.48 IBM System x3250 M3 Types 4251, 4252, and 4261: Installation and User’s Guide
