Appendix C: POST Code Diagnostic LED DecoderIntel® Server Boards S5000PSL and S5000XSL TPS
Checkpoint | Diagnostic LED Decoder | Description | |||
G=Green, R=Red, A=Amber |
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| MSB | Bit 2 | Bit 1 | LSB |
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0xD0 | R | R | Off | R | Trying boot device selection |
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0xD1 | R | R | Off | A | Trying boot device selection |
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0xD2 | R | R | G | R | Trying boot device selection |
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0xD3 | R | R | G | A | Trying boot device selection |
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0xD4 | R | A | Off | R | Trying boot device selection |
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0xD5 | R | A | Off | A | Trying boot device selection |
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0xD6 | R | A | G | R | Trying boot device selection |
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0xD7 | R | A | G | A | Trying boot device selection |
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0xD8 | A | R | Off | R | Trying boot device selection |
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0xD9 | A | R | Off | A | Trying boot device selection |
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0XDA | A | R | G | R | Trying boot device selection |
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0xDB | A | R | G | A | Trying boot device selection |
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0xDC | A | A | Off | R | Trying boot device selection |
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0xDE | A | A | G | R | Trying boot device selection |
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0xDF | A | A | G | A | Trying boot device selection |
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0xE0h | R | R | R | Off | Started dispatching early initialization modules (PEIM) |
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0xE2h | R | R | A | Off | Initial memory found, configured, and installed correctly |
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0xE1h | R | R | R | G | Reserved for initialization module use (PEIM) |
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0xE3h | R | R | A | G | Reserved for initialization module use (PEIM) |
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Driver Execution Environment (DXE) Core |
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0xE4h | R | A | R | Off | Entered EFI driver execution phase (DXE) |
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0xE5h | R | A | R | G | Started dispatching drivers |
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0xE6h | R | A | A | Off | Started connecting drivers |
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DXE Drivers |
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0xE7h | R | A | A | G | Waiting for user input |
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0xE8h | A | R | R | Off | Checking password |
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0xE9h | A | R | R | G | Entering BIOS setup |
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0xEAh | A | R | A | Off | Flash Update |
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0xEEh | A | A | A | Off | Calling Int 19. One beep unless silent boot is enabled. |
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0xEFh | A | A | A | G | Unrecoverable boot failure / S3 resume failure |
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Runtime Phase / EFI Operating System Boot | |||||
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0xF4h | R | A | R | R | Entering Sleep state |
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0xF5h | R | A | R | A | Exiting Sleep state |
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0xF8h | A | R | R | R | Operating system has requested EFI to close boot services |
| (ExitBootServices ( ) has been called) | ||||
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0xF9h | A | R | R | A | Operating system has switched to virtual address mode |
| (SetVirtualAddressMap ( ) has been called) | ||||
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0xFAh | A | R | A | R | Operating system has requested the system to reset (ResetSystem () |
| has been called) | ||||
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0x30h | Off | Off | R | R | Crisis recovery has been initiated because of a user request |
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0x31h | Off | Off | R | A | Crisis recovery has been initiated by software (corrupt flash) |
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112 | Revision 1.2 |
| Intel order number: |