Troubleshooting Server Subsystems
Feedback Flash
The indicator flashes on and off during periods of activity, commensurate with the activity, but
the flashing does not exceed the 2 Hz fast blink rate (see,
For example, this blink rate occurs during disk drive read and write activity and communication
port transmit and receive activity.
Data Blink Rate
For this blink rate, a normally on indicator repeatedly turns off twice during a one-second
interval (2 Hz—see also,
) while data activity is taking place.
Sequential (Diagnostic) Blink Rate
This blink rate is a repeating sequence in which each indicator successively lights for 0.5 sec
to indicate that diagnostics are running. This blink rate is used only on systems or components
capable of running diagnostics.
Troubleshooting Server Subsystems
These sections describe the server subsystems:
■
“Processor Subsystem” on page 82
■
■
Troubleshooting and Diagnostics
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Summary of Contents for X7-8
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