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System Controller On Functions
87
The CPU Activity Display
The activity display is a graph function that provides a series of moving bars
placed next to each other on the System Controller’s screen. Each of the
vertically moving bars on the screen represents the activity of one of the
microprocessors in the Challenge deskside server.
The activity display is the default menu that appears if the key is in the On
position and no keypad selections have been made within the last 60
seconds.
Note:
The activity graph is replaced by any detected fault message until the
key is turned to the Off position.
The activity graph (also known as a histogram) indicates the processor
activity level of each microprocessor within the system. This display is
similar to the bar graph display of volume levels on modern stereo receivers.
Each bar gives a running account of the volume of processes taking place in
a particular microprocessor.
Note:
Figure 5-2 shows a total of 12 microprocessor histogram bars. Your
system may have as few as one, depending on the number of CPU boards
installed and the on-board microprocessors that they host.
BOOT ARBITRATION INCOMPLETE
FAULT NO MASTER The system was unable to assign a
system master CPU.
BOOT ARBITRATION ABORTED An operator pushed one of the front
panel buttons while the System
Controller was searching for the system
master CPU.
Table 5-1 (continued) System Controller Master CPU Status Messages
Master CPU Status Message Context and Meaning of Message