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POST beep codes
POST emits one beep to signal successful completion. If POST detects a problem
during startup, other beep codes might occur. Use the following beep code
descriptions to help diagnose and solve problems that are detected during startup.
Note: See the Problem Determination and Service Guide on the IBM xSeries
Repeating long beeps
Other beep codes
POST error codes
The following table provides an abbreviated list of the error messages that might
appear during POST. See the Problem Determination and Service Guide on the
IBM xSeries Documentation CD for more information about the POST error
messages. See http://www.ibm.com/support/ to check for updated technical
information.
v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v See the parts listing in the Problem Determination and Service Guide 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.
Error code
Description
062
The server failed to start on three
consecutive boots using the default
configuration.
101, 102
A tick timer internal interrupt, internal timer
channel 2 error occurred.
151
A real-time clock error occurred.
161
A real-time clock battery error occurred.
40
xSeries 100 Type 8486: Installation Guide
Documentation CD for more information about the POST beep codes.
A memory error has occurred. Make sure that all DIMMs are correctly
installed. For additional information, see beep code 3-3-3 in the Problem
Determination and Service Guide on the IBM xSeries Documentation CD.
See the Problem Determination and Service Guide on the IBM xSeries
Documentation CD for information about other beep codes.
Action
1. Flash the system firmware to the latest level.
2. (Trained service technician only) Replace the
system board.
(Trained service technician only) Replace the system
board.
1. Reseat the battery.
2. Replace the following components one at a time,
in the order shown, restarting the server each
time.
a. Battery
b. (Trained service technician only) System
board
1. Reseat the battery.
2. Replace the following components one at a time,
in the order shown, restarting the server each
time.
a. Battery
b. (Trained service technician only) System
board
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