IBM xSeries 345, Installation Manual, Page: 40 / 71

Table 3. POST beep code descriptions (continued)
Beep code Descriptions of the POST beep codes
One short POST completed successfully. One beep also occurs after POST if you enter an incorrect
password.
Two short Follow the instructions that appear on the screen.
Three short POST detected a system memory error. Verify that the memory is installed correctly. If it is,
replace the failing memory module.
Repeating short The system board might contain a failing component.
1. Verify that the keyboard and pointing devices are connected properly.
2. Ensure that nothing is resting on the keyboard.
3. Disconnect the pointing device; then, restart the server. If the problem goes away, replace the
pointing device. If the problem remains, call for service.
One long and one
short If the video controller on the system board is being used, call for service. If you installed an
optional video adapter, replace the failing adapter.
One long and two
short A video I/O adapter ROM is not readable, or the video subsystem is defective. If you installed an
optional video adapter, replace the failing adapter. If the problem remains, call for service.
One long and
three short The system-board video subsystem has not detected a monitor connection to the server. Ensure
that the monitor is connected to the server. If the problem remains, replace the monitor.
Two long and two
short POST does not support the optional video adapter. Replace the optional video adapter with one
that is supported by the server or use the integrated video controller.
All other beep
codes 1. Verify that the system memory modules are installed correctly.
2. Turn off the server; then, restart the server. If the problem remains, call for service.
POST error messages
The following table provides an abbreviated list of the error messages that might
appear during POST.
Note: See the Hardware Maintenance Manual and Troubleshooting Guide on the
IBM xSeries Documentation CD for more information about the POST error
messages.
Table 4. Abbreviated list of POST error messages
POST message Failing device or problem
found Suggested action
129 L1 cache of a microprocessor Check the installation of your microprocessors.
162 Change in device
configuration Verify that your optional devices are turned on and installed
correctly.
163 Time of day has not been set Set the correct date and time.
164 Change in memory
configuration Verify that your memory is installed properly; then, restart the
server and run the Configuration/Setup Utility program.
201 Change in memory
configuration Verify that your memory is fully seated and installed properly.
229 L2 cache of a microprocessor Check the installation of your microprocessors.
289 Failing DIMM was disabled Verify that your memory is correct for your server and that it is
installed properly.
301
303 Keyboard and keyboard
controller Ensure that the keyboard cable is connected and nothing is
resting on the keyboard keys.
11xx Serial port error Verify that the serial cable is connected correctly.
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IBM xSeries 345 Type 8670: Installation Guide