Appendix C: POST Code Diagnostic LED Decoder Intel® Server Board S3420GP TPS
Revision 2.4
Intel order number E65697-010
122
Checkpoint
Diagnostic LED Decoder
Description
O = On, X=Off
Upper Nibble Lower Nibble
MSB
LSB
8h 4h 2h
1h 8h 4h
2h
1h
LED #7 #6 #5
#4 #3 #2
#1
#0
0xE6h O O O X X O O X
Started connecting drivers
DXE Drivers
0xE7h O O O X O O X O Waiting for user input
0xE8h O O O X O X X X Checking password
0xE9h O O O X O X X O Entering BIOS setup
0xEAh O O O X O O X X Flash Update
0xEEh O O O X O O X X Calling Int 19. One beep unless silent boot is enabled.
0xEFh O O O X O O X O Unrecoverable boot failure
Pre-EFI Initialization Module (PEIM)/Recovery
0x30h X X O O X X X X
Crisis recovery has been initiated because of a user request
0x31h X X O O X X X O
Crisis recovery has been initiated by software (corrupt flash)
0x34h X X O O X O X X
Loading crisis recovery capsule
0x35h X X O O X O X O
Handing off control to the crisis recovery capsule
0x3Fh X X O O O O O O Crisis recovery capsule failed integrity check of capsule descriptors
Runtime Phase/EFI Operating System Boot
0XF2h O O O O X X O X Signal that the OS has switched to virtual memory mode
0XF4h O O O O X O X X Entering the sleep state
0XF5h O O O O X O X O Exiting the sleep state
0XF8h O O O O O X X X
Operating system has requested EFI to close boot services has been
cancelled.
Progress Code
0XF9h O X X O X X X X Resetting the keyboard
0xFAh O X X O X X X O Disabling the keyboard
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