Remove the Eight-Drive Backplane

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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 12 fan cover screws, then slide the cover forward and lift it off the server.
5. If necessary, remove the fan modules from the server.
  See Remove a Fan Module.

Pull each drive out far enough to disengage it from the drive backplane.
Note - You do not need to completely remove the storage drives from the server. Simply pull them out far enough to disengage them from the drive backplane. If you do remove the storage drives from the server, record their locations so that you can reinstall them in the same locations.

Disconnect the cables from the drive backplane.
1. Disconnect the two SAS cables from the drive backplane that go to the card in internal SAS slot 7 (panel 1).
  Note the cable connections in order to ease proper reconnection of the cables.
2. Disconnect the power cable and the auxiliary signal cable from the drive backplane (panel 2).
3. Disconnect the two NVMe cables from the drive backplane (panel 2).
  Note the location of each cable so they can be reconnected to the same locations.

Using a No. 2 Phillips screwdriver, loosen the right-side spring-mounted screw (on the power supply side of the server) that secures the drive backplane to the chassis (panel 4).

Lift up on the left-side spring tab, and then gently release the drive backplane from the standoff hooks and out from under the spring tab (panel 5).

Pull the drive backplane away from the standoff hooks and spring tab and out of the chassis (panel 6).

SPARC S7-2L Server Service Manual