Intel® Server Board S3420GP User Guide 85
BIOS POST Beep Codes
The following table lists the POST error beep codes. Prior to system video initialization,
the BIOS uses these beep codes to inform users of error conditions. The beep code is
followed by a user-visible code on POST Progress LEDs.
In the case of POST error(s) that are listed as Major, the BIOS enters the error manager
and waits for the user to press an appropriate key before booting the operating system or
entering the BIOS Setup.
The user can override this option by setting the POST Error Pause option as disabled on
the BIOS setup Main screen. If this option is disabled, the system boots the operating
system without user intervention. The default is disabled.
Table 11. POST Error Beep Codes
Number of Beeps Reason for Beeps and Action to Take
3 System halted because a fatal error related to the memory was detected.
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