Technical Product Specification

Table Of Contents
Intel
®
Server Board S5400SF TPS Appendix B: POST Code Diagnostic LED Decoder
Revision 2.02
Intel order number: D92944-007
161
Diagnostic LED Decoder
G=Green, R=Red, A=Amber
Checkpoint
MSB LSB
Description
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 the 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)
0x34h OFF G R R Loading crisis recovery capsule
0x35h OFF G R A Handing off control to the crisis recovery capsule
0x3Fh G G A A Unable to complete crisis recovery.