1. POST Error Message
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Chapter 3 Appendix
(2) Beep code
If POST detects a problem and is unable to display the error message, the beep code sounds instead of
displaying the message.
A beep code is a series of short beeps separated by pauses. For example, "1-3-3-1" indicates one beep, a
pause, three beeps, a pause, three beeps, a pause, and one beep.
The table below shows the beep code, cause, and solution.
Beep code
Description
Solution
1-3-3-1
No DIMMs are installed.
Check if DIMMs are properly installed.
If the same error persists, contact your sales
representative.
1-5-2-1
No processors are installed.
Check if processor is properly installed.
If the same error persists, contact your sales
representative.
1-5-4-4
Power-on is inhibited.
Contact your sales representative.
1
POST detected an error.
4
Initializing the BIOS executable module failed.
5
No graphics controllers are installed.
7
Resetting the system failed.
8
An error was detected when allocating PCI
resources.
Remove all the installed PCI boards from the PCI slots,
and then restart the server.
If the same error is detected repeatedly, contact your
sales representative.