IBM Power System System E950 Manual page 56

a) Pull out the quarter-turn fasteners (B) and turn them to disengage them while you lift the cable
management bracket (A) to its raised position.
b) Turn the quarter-turn fasteners (B) to engage and lock the bracket into position.
Figure 28. Placing the cable management bracket in the raised service position
10. Label and disconnect all of the cables or transceivers that are attached to the adapter you plan to
remove.
Use a hook-and-loop fastener to hold the cables in place.
Important: If you are disconnecting the SAS AZ cable which controls the internal disk bays, use extra
care when removing cables from the adapter connectors. Gently pull the blue tab straight back from
the system to release the latches that secure the SAS cable to the PCIe adapter. To prevent possible
tab breakage, Do not pull the blue tab to the side; instead, pull the blue tab straight back. While
gently pulling the blue tab, unplug and remove the SAS cable from the PCIe adapter by pulling on the
black SAS cable itself. Do not apply extra pulling force on the blue tab to remove cable.
11. Attach the electrostatic discharge (ESD) wrist strap.
The ESD wrist strap must be connected to an unpainted metal surface until the service procedure is
completed, and if applicable, until the service access cover is replaced.
Attention:
42 Power Systems: PCIe adapters for the 9040-MR9