IBM 9080-M9S Manual page 656

Figure 570. Placing the tool at an angle on the top cover of the packaging
6. Release the system processor module by pushing the ring (B) downwards. Hold the ring (B) down
while pushing the blue tabs (C) inwards as shown in Figure 571 on page 651. Ensure that the ring
catches the openings on the blue tabs, and that the blue tabs are locked in a fixed position.
To prevent the system processor module from falling, pull up on the round lever before you place the
tool on the top cover of the system processor module packaging.
650 Power Systems: Removing and replacing parts in the 9080-M9S system