Intel E42249-003 Product Specification page 112

®
Intel Server Board S5500BC TPS
Diagnostic LED Decoder
Checkpoint
Upper Nibble
MSB
8h 4h
LED #7 #6
0x99h O X
0x9Ah O X
0x9Bh O X
Fixed Media
0xB0h O X
0xB1h O X
0xB2h O X
0xB3h O X
Removable Media
0xB8h O X
0xB9h O X
0xBAh O X
0xBCh O X
Boot Device Selection (BDS)
0xD0 O O
0xD1 O O
0xD2 O O
0xD3 O O
0xD4 O O
0xD5
O O
0xD6
O O
0Xd7
O O
0xD8
O O
0xD9
O O
0xDA
O O
0xDB
O O
0xDC
O O
0xDD
O O
0xDE
O O
0xDF O O
Pre-EFI Initialization (PEI) Core
0xE0h O O
0xE1h O O
0xE2h O O
0xE3h O O
Driver eXecution Environment (DXE) Core (not accompanied by a beep code)
0xE4h O O
0xE5h O O
0xE6h O O
DXE Drivers
0xE7h O O
0xE8h O O
0xE9h O O
0xEAh O O
0xEEh O O
0xEFh O O
Runtime Phase / EFI Operating System Boot
0xF4h O O
Revision 1.0
O = On, X=Off
Lower Nibble
2h 1h 8h 4h 2h
#5 #4 #3 #2 #1
X O O X X
X O O X O
X O O X O
O O X X X
O O X X X
O O X X O
O O X X O
O O O X X
O O O X X
O O O X O
O O O O X
X O X X X
X O X X X
X O X X O
X O X X O
X O X O X X
X O X
X O
X O O
X O
X O O
X O
O X X
X O
O X X
X O
O X O
X O
O X O
X O
O O X
X O
O O X
X O
O O O
X O
X O O O O
O X X X X
O X X X X
O X X X O
O X X X O
O X X O X
O X X O X
O X X O O
O X O O X
O X O X X
O X O X X
O X O X O
O X O O O
O X O O O
O O X O X
Intel order number: E42249-003
Appendix D: POST Code Diagnostic LED Decoder
LSB
1h
#0
O Detecting the mouse
X Detecting the presence of mouse
O Enabling the mouse
X Resetting fixed media device
O Disabling fixed media device
Detecting presence of a fixed media device (hard drive detection,
X
and so forth.)
O Enabling / configuring a fixed media device
X Resetting removable media device
O Disabling removable media device
Detecting presence of a removable media device (CDROM detection,
X
and so forth.)
X Enabling / configuring a removable media device
X Trying to boot device selection 0
O Trying to boot device selection 1
X Trying to boot device selection 2
O Trying to boot device selection 3
Trying to boot device selection 4
O Trying to boot device selection 5
X Trying to boot device selection 6
O Trying to boot device selection 7
X Trying to boot device selection 8
O Trying to boot device selection 9
X Trying to boot device selection A
O Trying to boot device selection B
X Trying to boot device selection C
O Trying to boot device selection D
X Trying to boot device selection E
O Trying to boot device selection F
X Started dispatching early initialization modules (PEIM)
O Reserved for Initializaiton module use (PEIM)
X Initial memory found, configured, and installed correctly
O Reserved for Initializaiton module use (PEIM)
X Entered EFI driver execution phase (DXE)
O Started dispatching drivers
X Started connecting drivers
O Waiting for user input
X Checking password
O Entering BIOS setup
X Flash Update
X Calling Int 19. One beep unless silent boot is enabled.
O Unrecoverable boot failure
X Entering Sleep state
Description
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