IBM 9080-M9S Manual page 123

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 100. Removing the service access cover
7. To activate the identify LED for the locations for installing the memory modules, press and hold either
push-button on the trusted platform module card as shown in the following figure.
Verify that the LED (A) is lit, which indicates that sufficient power exists for the identify LED. If the LED
is not lit, use the location code to find the physical location by using the service label.
Memory modules 117