10. Press the release latches and pull the backplane out of the server.To replace the hard disk drive backplane, reverse the previous steps, making sureto place the backplane assembly over the two guide pins on the chassis floor.Power supply cage assemblyComplete the following steps to remove the power supply cage assembly.Note:v Read “Installation guidelines” on page 11.v Read Appendix B, “Safety information,” on page 153.v Read “Handling static-sensitive devices” on page 12.1. Turn off the server.2. Disconnect all external cables and power cords from the back of the server.3. Remove the adapter-support bracket. See “Center-fan and adapter-supportbracket” on page 67 for instructions.4. Disconnect all power-supply cable from the system board (J4), hard disk drivebackplane, and other backplanes or devices.66 xSeries 236 Type 8841: Hardware Maintenance Manual and Troubleshooting Guide
