SPARC S7-2L Server Service Manual

Remove the Twenty Four-Drive Backplane

1. Prepare the server for service.
   1. Power off the server and disconnect the power cords from the power supplies.

      See Removing Power From the Server.

   2. Attach an antistatic wrist strap to your wrist, and then to a metal area on the chassis.

      See Prevent ESD Damage.

   3. Extend the server into the service position.

      See Extend the Server to the Service Position.

   4. Remove the fan cover.

      Remove the two side screws that secure the fan cover, then remove the fan cover by pulling it towards the rear of the server.

   5. If necessary, remove the fan modules from the server.

      See Remove a Fan Module.

2. Pull each drive and filler half way out of the drive backplane.
3. Disconnect the cables from the drive backplane.
   
   1. Disconnect the two power cables and the auxiliary signal cable from the drive backplane (panel 1).
   2. Disconnect the two NVMe cables.
   3. Disconnect the three SAS cables from the SAS expander.
4. Using a No. 2 Phillips screwdriver, loosen the two green captive screws that secure the drive backplane to the chassis.
5. Lift the drive backplane and attached SAS expander, over the 12 hooks that secure it, then lift the assembly up and out of the chassis.
6. Place the drive backplane on an antistatic mat.
7. Install a drive backplane or continue the service procedure that required access.

   See Install the Eight-Drive Backplane.