Appendix C: LED Decoder
Intel
®
Server System H2000JF Family Service Guide
69
Checkpoint
Diagnostic LED Decoder
Description
1 = On, 0=Off
Upper Nibble
Lower Nibble
MSB
LSB
8h
4h
2h
1h
8h
4h
2h
1h
LED
#7
#6
#5
#4
#3
#2
#1
#0
0xF1h
1
1
1
1
0
0
0
1
Detecting Platform Type
0xF2h
1
1
1
1
0
0
1
0
Early Platform Initialization
0xF3h
1
1
1
1
0
0
1
1
PEI Modules initialized
Driver eXecution Environment (DXE) Core
0xE4h
1
1
1
0
0
1
0
0
Entered EFI driver execution phase (DXE)
0xE5h
1
1
1
0
0
1
0
1
Started dispatching drivers
0xE6h
1
1
1
0
0
1
1
0
Started connecting drivers
DXE Drivers
0xE7h
1
1
1
0
1
1
0
1
Waiting for user input
0xE8h
1
1
1
0
1
0
0
0
Checking password
0xE9h
1
1
1
0
1
0
0
1
Entering BIOS setup
0xEAh
1
1
1
0
1
1
0
0
Flash Update
0xEBh
1
1
1
0
1
1
0
1
Legacy Option ROM initialization
0xECh
1
1
1
0
1
0
0
0
DXE Drivers initialized
0xEDh
1
1
1
0
1
0
0
1
Transfer control to Boot Device Selection (BDS)
0xEEh
1
1
1
0
1
1
0
0
Calling Int 19. One beep unless silent boot is enabled.
0xEFh
1
1
1
0
1
1
0
1
Unrecoverable boot failure
Pre-EFI Initialization Module (PEIM)/Recovery
0x30h
0
0
1
1
0
0
0
0
Crisis recovery initiated because of a user request
0x31h
0
0
1
1
0
0
0
1
Crisis recovery initiated by software (corrupt flash)
0x34h
0
0
1
1
0
1
0
0
Loading crisis recovery capsule
0x35h
0
0
1
1
0
1
0
1
Handing off control to the crisis recovery capsule
0x36h
0
0
1
1
0
1
1
0
Begin crisis recovery
0x3Eh
0
0
1
1
1
1
1
0
No crisis recovery capsule detected
0x3Fh
0
0
1
1
1
1
1
1
Crisis recovery capsule failed integrity check of capsule descriptors