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Appendix C: POST Code Diagnostic LED DecoderIntel® Server Boards S5000PSL and S5000XSL TPS
Diagnostic LED Decoder
G=Green, R=Red, A=Amber
Description
Checkpoint
MSB Bit 2 Bit 1 LSB
0xD0 R R Off R Trying boot device selection
0xD1 R R Off A Trying boot device selection
0xD2 R R G R Trying boot device selection
0xD3 R R G A Trying boot device selection
0xD4 R A Off R Trying boot device selection
0xD5 R A Off A Trying boot device selection
0xD6 R A G R Trying boot device selection
0xD7 R A G A Trying boot device selection
0xD8 A R Off R Trying boot device selection
0xD9 A R Off A Trying boot device selection
0XDA A R G R Trying boot device selection
0xDB A R G A Trying boot device selection
0xDC A A Off R Trying boot device selection
0xDE A A G R Trying boot device selection
0xDF A A G A Trying boot device selection
Pre-EFI Initialization (PEI) Core
0xE0h R R R Off Started dispatching early initialization modules (PEIM)
0xE2h R R A Off Initial memory found, configured, and installed correctly
0xE1h R R R G Reserved for initialization module use (PEIM)
0xE3h R R A G Reserved for initialization module use (PEIM)
Driver Execution Environment (DXE) Core
0xE4h R A R Off Entered EFI driver execution phase (DXE)
0xE5h R A R G Started dispatching drivers
0xE6h R A A Off Started connecting drivers
DXE Drivers
0xE7h R A A G Waiting for user input
0xE8h A R R Off Checking password
0xE9h A R R G Entering BIOS setup
0xEAh A R A Off Flash Update
0xEEh A A A Off Calling Int 19. One beep unless silent boot is enabled.
0xEFh A A A G Unrecoverable boot failure / S3 resume failure
Runtime Phase / EFI Operating System Boot
0xF4h R A R R Entering Sleep state
0xF5h R A R A Exiting Sleep state
0xF8h
A R R R
Operating system has requested EFI to close boot services
(ExitBootServices ( ) has been called)
0xF9h
A R R A
Operating system has switched to virtual address mode
(SetVirtualAddressMap ( ) has been called)
0xFAh
A R A R
Operating system has requested the system to reset (ResetSystem ()
has been called)
Pre-EFI Initialization Module (PEIM) / Recovery
0x30h Off Off R R Crisis recovery has been initiated because of a user request
0x31h Off Off R A Crisis recovery has been initiated by software (corrupt flash)
Revision 1.2
Intel order number: D41763-003
112