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Chapter 3 63
Power-On Self Test
Messages
Messages
POST has three types of messages: LCD, console, and error. This section
discusses each type.
LCD messages
Each node has an LCD display. Figure 29 shows the display and
indicates what each line on the display means.
Figure 29 Front panel LCD
Node status line
The Node Status Line shows the physical node ID in both decimal and
X, Y topology formats.
Processor status line
The processor status line shows the current run state for each processor
in the node. Table 17 shows the initialization step code definitions and
Table 18 shows the run-time status codes. The M in the first processor
status line stands for the monarch processor.
MIII IIII IIII IIII
0 (0,0)
IIII IIII IIII IIII
abcedfghijklr
Node status line
Processor status line—lower 16
Processor status line—upper 16
Message display line