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POST
When you turn on the appliance server, it performs a series of tests to check the
operation of appliance server components and some of the options that are installed
in the appliance server. This series of tests is called the power-on self-test, or POST.
If POST finishes without detecting any problems, a single beep sounds, and the first
screen of your operating system or application program appears.
If POST detects a problem, more than one beep sounds, and an error message
appears on your screen. See "POST beep code descriptions" and "POST error
messages" on page 88 for more information.
Notes:
1. If you have a power-on password set, you must type the password and press
2. A single problem might cause several error messages. When this occurs, work to
POST beep code descriptions
Beep codes are sounded in a series of long and short beeps. The possible types of
beep codes that your appliance server might emit include the following:
No beeps
Continuous beep
One short beep
Two short beeps
Three short beeps
Enter, when prompted, before POST will continue.
correct the cause of the first error message. After you correct the cause of the first
error message, the other error messages usually will not occur the next time you
run the test.
If no beep occurs after your appliance server completes POST, call for
service.
Your startup (boot) microprocessor has failed, or your system board or
speaker subsystem might contain a failing component. If the system
continues through POST with no errors, call for service. If no video appears,
the startup processor has failed; replace the startup processor.
One beep indicates that your appliance server successfully completed POST.
POST detected no configuration or functional errors. One beep also occurs
after your appliance server completes POST if you type an incorrect power-on
password.
POST encountered an error. The Configuration/Setup Utility program will
display additional information; follow the instructions that appear on the
screen. See "POST error messages" on page 88 for descriptions of the text
messages that might appear.
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.
Chapter 7. Solving problems
85
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