HP ProLiant DL180 G, Maintenance And Service Manual

Page: 70 / 98

Connectors, Switches, and LEDs 70
Figure 60
NMI button
NOTE: Use of the NMI button is not supported in all NOS. As of the present, NMI implementation is
not available for systems running on Solaris and Linux operating systems.
Clear CMOS Button (SW2)
The system board has a system configuration (CMOS) button (SW2). To clear system configuration,
remove AC power and press the CMOS button for seconds.
LED Indicators
This section contains illustration and descriptions of internal and external status LED indicators located
on the:
•
Front panel
•
Rear panel
•
System board
These LED indicators aid in problem diagnosis by indicating the status of system components and
operations of the server.
Front panel LED indicators
The front panel LED indicators allow constant monitoring of basic system functions while the server is
operating.
Optical drive activity LED indicator
The optical drive has an activity indicator that indicates when the drive is reading media.