Technical Product Specification
Appendix B: POST Code LED Decoder IntelĀ® Server System SR1695WB TPS
Revision 1.4 59
Intel order number: E92079-005
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
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