No-beep symptoms
The following table describes situations in which no beep code sounds when POST
is completed.
v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v See Chapter 3, “Parts listing, System x3500 Type 7977,” on page 41 to determine which components are
customer replaceable units (CRU) and which components are field replaceable units (FRU).
v If an action step is preceded by “(Trained service technician only),” that step must be performed only by a
trained service technician.
No-beep symptom Description Action
No beeps occur, and the
server operates correctly.
1. (Trained service technician only) Reseat the
operator information LED cable.
2. (Trained service technician only) Replace
the operator information LED assembly.
No beeps occur after
successful completion of
POST.
The power-on status is Disabled.
1. Run the Configuration/Setup Utility program
and select Start Options; then, set
Power-On Status to Enable.
2. (Trained service technician only) Reseat the
operator information LED assembly.
3. (Trained service technician only) Replace
the operator information LED assembly.
No beeps occur, and
there is no video.
See “Solving undetermined problems” on page
161.
Error logs
The POST error log contains the three most recent error codes and messages that
were generated during POST. The BMC log and the system-error log contain
messages that were generated during POST and all system status messages from
the service processor.
The following illustration shows an example of a BMC log entry.
BMC System Event Log
----------------------------------------------------------
Get Next Entry
Get Previous Entry
Clear BMC SEL
Entry Number= 00005 / 00011
Record ID= 0005
Record Type= 02
Timestamp= 2005/01/25 16:15:17
Entry Details: Generator ID= 0020
Sensor Type= 04
Assertion Event
Fan
Threshold
Lower Non-critical - going high
Sensor Number= 40
Event Direction/Type= 01
Event Data= 52 00 1A
100 IBM System x3500 Type 7977: Problem Determination and Service Guide