One beep
POST was completed successfully without detecting any errors.
Other beep codes
See the Problem Determination and Service Guide on the IBM System x
Documentation CD for information about 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 System x Documentation CD for more information about the POST error
messages. To check for updated technical information, complete the following steps.
Note:
Changes are made periodically to the IBM Web site. The actual procedure
might vary slightly from what is described in this document.
1. Go to http://www.ibm.com/systems/support/.
2. Under Product support, click System x.
3. Under Popular links, click Publications lookup .
4. From the Product family menu, select System 7977 and click Continue.
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 Problem Determination and Service Guide on the IBM System x Documentation CD 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 Action
062 Three consecutive boot failures using the
default configuration.
1. Flash the system firmware to the latest level (see
the Problem Determination and Service Guide on
the IBM System x Documentation CD).
2. (Trained service technician only) Replace the
system board.
101 Tick timer internal interrupt, internal timer
channel 2.
(Trained service technician only) Replace the system
board.
102 Internal timer channel 2 test failure (Trained service technician only) Replace the system
board.
151 Real-time clock error.
1. Reseat the battery.
2. Clear CMOS memory. See the Problem
Determination and Service Guide on the IBM
System x Documentation CD for information
about how to clear CMOS memory.
3. 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
64 IBM System x3500 Type 7977: Installation Guide
