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3
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3.6 Serial Port A POST Output
3.6.1 Diag-level NVRAM Variable is Set to Max
3-6
Table 3-1
The Keyboard LED Patterns
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You can observe POST progress if you connect a terminal (or tip line) to the
serial port A on the Sun Ultra 1 Series system.
Following is an example of serial port A POST output when the diag-level
NVRAM variable is set to max.
Sun Ultra 1 Series Service Manual—November 1995
Bit Value
Meaning of LED Pattern
1101
Reserved
1110
Reserved
1111
Reserved
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