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
