Symantec NetBackup 5220, Hardware Troubleshooting Manual

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DIMM sockets
Note: It does not matter into which sockets you place the DIMMs, they are
interchangeable.
15. Position a DIMM above an empty socket.
16. Align the notch on the bottom edge of the socket with the key in the DIMM socket.
17. Insert the bottom edge of the DIMM into the socket.
18. When the DIMM is inserted, push down on the top edge of the DIMM until the
clips snap into place.
19. Make sure the clips are firmly in place.
20. Repeat for the other five DIMMs.
21. Replace the plastic air duct.
22. Obtain the RAID controller card.
23. Install the Battery Backup Unit (BBU) onto the top of the RAID card.
24. Line up the three screw holes of the RAID card with those of the battery.