Diagnostic panel LEDs
The following illustration shows the LEDs on the diagnostics panel inside the server.
See Table 1 on page 19 for information on identifying problems using these LEDs.
CPU
Memory
Fan
A B C D
1 2 3 4
DASD
NMI
SP Bus
Event Log
Non Red
Over Spec
Temp
PCI
Bus
Power
Supply
1
System board connector
2
Diskette drive connector
The meanings of these LEDs are as follows:
CPU
Microprocessor fault
Memory
Memory fault
PCI Bus A (PCIA)
PCI bus A fault
PCI Bus B (PCIB)
PCI bus B fault
PCI Bus C (PCIC)
PCI bus C fault
PCI Bus D (PCID)
Not implemented at this time
Power supply 1
Power supply number 1 failure
Power supply 2
Power supply number 2 failure
Power supply 3
Power supply number 3 failure
FAN
Fan failure
DASD
Hard disk drive fault
NMI
Nonmaskable interrupt
SP Bus
Service processor failure
Event Log
Not implemented at this time.
NON RED
Nonredundant power mode
OVER SPEC
Over specification
TEMP
System temperature failure
18
IBM xSeries 350 Type 8682: Hardware Maintenance Manual
Summary of Contents for 8682 - Eserver xSeries 350
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