Service Guide
120 Intel
®
Server System SR1600UR Service Guide
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 X O X Flash Update
0xEEh O O O X O O O X Calling Int 19. One beep unless silent
boot is enabled.
0xEFh O O O X O O O O Unrecoverable boot failure
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 Sleep state
0xF5h O O O O X O X O Exiting Sleep state
0xF8h O O O O O X X X OS has requested EFI to close boot
services (ExitBootServices ( ) has been
called)
0xF9h O O O O O X X O OS has switched to virtual address
mode (SetVirtualAddressMap ( ) has
been called)
0xFAh O O O O O X O X OS has requested the system to reset
(ResetSystem ( ) has been called)
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 Unable to complete crisis recovery
capsule
Table 9. Diagnostic LED POST Code Decoder
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