v Follow the general rule for connecting the SAS signal cables to the adapter anddrive backplane: port 0 on the adapter to port 0 on the drive backplane and port1 on the adapter to port 1 on the drive backplane (depending on the type ofdrive backplane you install in the server).To install the adapter, complete the following steps:Procedure1. Read the safety information and installation guidelines, see “Safety” on pagevii and “Installation guidelines” on page 45.2. Turn off the server (see “Turning off the server” on page 41) and all attachedperipheral devices. Disconnect all power cords; then, disconnect all externalcables from the server.3. Remove the storage book from the server (see “Removing the storage book”on page 266).4. Open the PCIe retention lever and remove the expansion slot cover from theslot where you want to install the adapter.5. Touch the static-protective package that contains the adapter to any unpaintedsurface on the outside of the server; then, grasp the adapter by the top edgeor upper corners of the adapter and remove it from the package.6. Align the adapter so that the keys align correctly with the connector on thestorage book board7. Insert the adapter into the connector, aligning the edge connector on theadapter with the connector on the storage book board. Press the edge of theconnector on the adapter firmly into the connector. Make sure that the adaptersnaps into the connector on the storage book board securely.Attention: Make sure that the adapter is correctly seated into the connectorbefore you turn on the server. An incorrectly seated adapter might causedamage to the storage book board or the adapter.8. Connect any cables to the adapter, if applicable.Note: Follow the general rule for connecting the SAS signal cables to theadapter and drive backplane: port 0 on the adapter to port 0 on the drivebackplane and port 1 on the adapter to port 1 on the drive backplane(depending on the type of drive backplanes you installed in the server).9. Close the PCIe retention lever.10. Reinstall the Storage book.11. Perform any configuration tasks that are required for the adapter.ResultsIf you have other devices to install or remove, do so now. Otherwise, go to“Completing the installation” on page 119.98 System x3850 X6 and x3950 X6 Types 3837 and 3839: Installation and Service Guide
