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Note: See Chapter 7, "Parts listing, Types 8861, 8862," on page 139 to determine which components are
replaceable by the customer and which components must be replaced by an IBM field service technician.
Error code/symptom
405-xxx-00n (No good link! Check
loopback plug)
415-xxx-000 (Failed Modem test)
System-error log entries
The system-error log is similar to an event log and can contain messages of three
major types:
Information
Warning
Error
System-error log messages can originate from several sources.
v POST/BIOS
v SMI handler
v Service processor
Each entry contains date and time information, which is useful in determining the
nature of the occurrence.
FRU/action
1. Verify that the loopback plug is a gigabit loopback plug (see
"Ethernet controller troubleshooting" on page 27).
2. Check for any loose connections between the loopback plug and the
ethernet port.
v Modem
Information messages do not require action and record significant
system-level events. Example: 'System Complex Powered Up'
Warning messages indicate possible problems but do not require
immediate action. Example: 'System over recommended ambient
temperature'
Error messages indicate system errors that may require attention.
Example: 'Fan 2 not detected'
Chapter 6. Symptom-to-FRU index
105
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