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POST Beep Codes
Power-on Self-Test (POST) Beep Codes
The successful completion of POST is indicated by one beep and the appearance
of the first screen of your operating system or application program. More than one
beep indicates that POST detected an error.
Beep codes are sounded in a series of beeps. For example, a 1–2–4 beep code
sounds like one beep, a pause, two consecutive beeps, another pause, and four
more consecutive beeps.
POST Beep Code Descriptions
The following list contains more detailed descriptions of the possible types of beeps
that your server might emit.
No beeps
If no beep occurs after your server successfully completes POST (that is,
after the System POST Complete (OK) light on the information LED panel is
illuminated), have the system serviced.
Continuous beep
This indicates that your 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, have the system serviced. If
no video appears, the boot processor has failed; replace the boot processor.
Note: If the Netfinity 5000 server has only one microprocessor installed,
that microprocessor is the boot processor. If the Netfinity 5000
server has two microprocessors installed, the microprocessor in the
secondary microprocessor connector is the boot processor and the
microprocessor in the primary microprocessor connector is the
application processor.
One short beep
If one beep occurs after your Netfinity 5000 server successfully completes
POST (that is, after the System POST Complete (OK) light on the
information LED panel is illuminated), then POST has no configuration or
functional errors to report. One beep also occurs after your server
completes POST if you enter an incorrect power-on password.
Two short beeps
This beep combination indicates that POST encountered an error. The
Configuration/Setup Utility program will display additional information; follow
the instructions displayed. See “Power-on Self Test (POST) Messages” on
page 114 for explanations of any POST error messages.
Three short beeps
This beep combination indicates a system memory error. This combination
occurs only if the video BIOS cannot display the error message. The cause
may be a failing memory module or a faulty memory socket. Try the
identified DIMM (LED is illuminated) in a different memory socket. If the
error occurs in the new location, replace the failing DIMM. Otherwise, have
the system serviced.
Repeating short beeps
This beep combination indicates that your server system board might contain
a failing component, your keyboard might be defective, or a key on the
keyboard might be stuck.
122 Netfinity 5000 Server Hardware Information and Procedures