IBM 9080-M9S Manual page 648

a. Push the release latch (A) in the direction shown in the following figure.
b. Slide the cover (B) off the system unit as shown in the following figure. When the service access
cover has cleared the upper frame ledge, lift the cover up and off the system unit.
Figure 562. Removing the service access cover
5. To activate the identify LED for the faulty part, press and hold either blue push-button on the trusted
platform module card as shown in the following figure.
Verify that the green LED (A) is lit, which indicates that sufficient power exists to light the identify LED
on the faulty part. If the green LED (A) does not light, use the location code on the service label to find
the physical location of the faulty part.
642 Power Systems: Removing and replacing parts in the 9080-M9S system