System Board LEDs
The system board contains a number of LEDs that tell you the state of the CPUs, memory, and logic circuitry.
Table 5 lists the descriptions for the system board LEDs.
Table 5. Back Panel Diagnostic LED Codes
SNMP Platform Event Traps
Your system can generate several Simple Network Management Protocol (SNMP) platform event trap (PET) messages that are sent to network
management software to inform the network manager that specific events have occurred on your system.
Table 6 lists the SNMP platform event traps you system may create.
Table 6. SNMP Platform Event Trap
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Possible system board resource
conflict
Remove any internal options recently added, and restart the system
to retest
Normal operating condition after
POST
CAUTION: Before servicing any components inside your computer, see "Safety First—For You and Your Computer."
Processors do not match in type or speed and may not operate properly.
RIMM pairs on the two MECs are missing or are not matched pairs.
System is in a sleep state.
Power exists on the system board; do not service until the LED goes out.
System is in standby state.
Hard-disk drive is active.
