Installing the 8x2.5-inch hot-swap drive backplane with controllerexpanderNote:v For more information about the connecting the SAS cables to the drivebackplane, see “Connecting the SAS cables” on page 61).v The right-angle SAS cables that come with the backplane only connects to theSAS connectors on the system board.v When you install this backplane, it attaches to the drive backplane that is next toit in the configuration, using the two interposer cables that come with thisbackplane. See “Supported SAS/SATA drive backplane configurations” on page53 for the supported configurations that use this drive backplane.v You can install this backplane in backplane bays 3 and 4 only. It cannot beinstalled in drive backplane bays 1 and 2. It is not supported.Power cableconnectorSAS cableconnectorsConfiguration cableconnectorInterposer cablesPort 0 Port 1To install the 8x2.5-inch hot-swap drive backplane with controller expander,complete the following steps:1. Read the safety information that begins on page “Safety” on page vii and“Installation guidelines” on page 33.2. Turn off the server (see “Turning off the server” on page 21) and all attachedperipheral devices. Disconnect all power cords; then, disconnect all externalcables from the server.3. Remove the top cover (see “Removing the server top cover” on page 36).4. Remove the fan cage assembly (see “Removing the fan cage assembly” onpage 40).5. Remove the microprocessor and memory expansion tray (see “Removing themicroprocessor and memory expansion tray assembly” on page 278) or DIMMair baffle (see “Removing the DIMM air baffle” on page 210), whichever one isinstalled.6. Open the SAS cable guide cover.108 System x3750 M4 Types 8722 and 8733: Installation and Service Guide
