Technical Product Specification

Appendix B: POST Code LED Decoder Intel® Server System SR1690WB TPS
Revision 1.7
Intel order number: E72797-009
56
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
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