Backplane configuration for 32 drivesThis information describes the supported backplane configuration for 32 drives.About this taskThe following illustration shows the supported backplane configuration to support32 drives.This configuration consists of four 8x1.8-inch drive backplanes and requireseight SAS signal cables.1.8” SSD1.8” SSD1.8” SSD1.8” SSD1.8” SSD1.8” SSD1.8” SSD1.8” SSD8 9 10 11 2120 22 231.8” SSD1.8” SSD1.8” SSD1.8” SSD1.8” SSD1.8” SSD1.8” SSD1.8” SSD1312 14 15 1716 18 191.8” SSD1.8” SSD1.8” SSD1.8” SSD1.8” SSD1.8” SSD1.8” SSD1.8” SSD0 1 2 3 54 6 7 2928 30 311.8” SSD1.8” SSD1.8” SSD1.8” SSD1.8” SSD1.8” SSD1.8” SSD1.8” SSD2524 26 27Connecting the SAS cablesThis section provides information on how to connect the SAS cables to the drivebackplanes.About this taskThe following table provides information for connecting the SAS cables to thedrive backplanes (BP) based on the backplane slot and supported drive backplaneconfigurations:Table 15. Connecting the SAS cables to the drive backplanes (BP) based on theconfigurationsDrive backplane BP 1 BP 2 BP 3 BP 44x2.5-inch drivebackplane v Connect theSAS cablefrom BP 1 tothe SAS signalconnector port0 on thesystem board.v Connect theSAS cablefrom BP 2 tothe SAS signalconnector port1 on thesystem board.v Connect theSAS cablefrom BP 3 toport 0 on thePCIe adapter.v Connect theSAS cablefrom BP 4 toport 1 on thePCIe adapter.8x2.5-inch drivebackplane v Connect one SAS cable from BP1 to the SAS signal connectorport 0 on the system board.v Connect one SAS cable from BP2 to the SAS signal connectorport 1 on the system board.v Connect one SAS cable from BP3 to port 0 on the PCIe adapter.v Connect one SAS cable from BP4 to port 1 on the PCIe adapter.8x2.5-inch drivebackplane withcontrollerexpanderv Connect one SAS cable from BP3 to the SAS signal connectorport 0 on the system boardv Connect one SAS cable from BP4 to the SAS signal connectorport 1 on the system board64 System x3750 M4 Types 8722 and 8733: Installation and Service Guide
