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POST beep code descriptions
When you turn on the xSeries Hosting Appliance, it performs a series of tests to
check the operation of xSeries Hosting Appliance components and some of the
options that are installed in the xSeries Hosting Appliance. This series of tests is
called the power-on self-test, or POST.
Beep codes are sounded in a series of long and short beeps. The types of beep
codes that your xSeries Hosting Appliance can emit include the following:
No beeps
One short beep
One long and two short beeps
Three short beeps
Continuous beep
Refer to "POST beep codes"for a comprehensive list of POST beep information.
POST beep codes
This section contains the POST beep codes for your xSeries Hosting Appliance. A
1-2-3 beep code is one beep, a pause, two consecutive beeps, another pause, and
then three more consecutive beeps.
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IBM Eserver xSeries Appliances: Installation Guide for xSeries Hosting Appliance
If no beep occurs after POST completes, call for service.
One beep indicates that your xSeries Hosting Appliance successfully
completed POST. POST detected no configuration or functional errors. One
beep also occurs after your xSeries Hosting Appliance completes POST if
you type an incorrect power-on password.
A video I/O adapter ROM is not readable, or the video subsystem is
defective. If you hear this beep combination twice, both the system board
and an optional video adapter have failed the test. This beep combination
might also indicate that the system board contains a failing component.
A system memory error has occurred. This combination occurs only if the
video basic input/output system (BIOS) cannot display the error message.
Replace the failing memory module.
Your startup microprocessor has failed, or your system board or speaker
subsystem might contain a failing component. If the system continues
through POST with no errors, or if no video appears, call for service.
Table 3. POST beep codes
Beep code
Description
1-1-2
Microprocessor register test has failed.
1-1-3
CMOS write/read test has failed.
1-1-4
BIOS ROM checksum has failed.
1-2-1
Programmable Interval Timer test has failed.
1-2-2
DMA initialization has failed.
1-2-3
DMA page register write/read test has failed.
1-2-4
RAM refresh verification has failed. Turn off the server and
then restart the server. If the problem persists, call for
service.
Action
Call for service.
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