Intel S5500BC Product Specification

Intel
®
Server Board S5500BC TPS Appendix D: POST Code Diagnostic LED Decoder
Revision 1.0 Intel order number: E42249-003 101
Diagnostic LED Decoder
O = On, X=Off
Upper Nibble Lower Nibble
MSB LSB
Checkpoint
8h 4h 2h 1h 8h 4h 2h 1h
LED #7 #6 #5 #4 #3 #2 #1 #0
Description
0x99h O X X O O X X O Detecting the mouse
0x9Ah O X X O O X O X Detecting the presence of mouse
0x9Bh O X X O O X O O Enabling the mouse
Fixed Media
0xB0h O X O O X X X X Resetting fixed media device
0xB1h O X O O X X X O Disabling fixed media device
0xB2h O X O O X X O X
Detecting presence of a fixed media device (hard drive detection,
and so forth.)
0xB3h O X O O X X O O Enabling / configuring a fixed media device
Removable Media
0xB8h O X O O O X X X Resetting removable media device
0xB9h O X O O O X X O Disabling removable media device
0xBAh O X O O O X O X
Detecting presence of a removable media device (CDROM detection,
and so forth.)
0xBCh O X O O O O X X Enabling / configuring a removable media device
Boot Device Selection (BDS)
0xD0 O O X O X X X X Trying to boot device selection 0
0xD1 O O X O X X X O Trying to boot device selection 1
0xD2 O O X O X X O X Trying to boot device selection 2
0xD3 O O X O X X O O Trying to boot device selection 3
0xD4 O O X O X O X X Trying to boot device selection 4
0xD5
O O X O
X O X O Trying to boot device selection 5
0xD6
O O X O
X O O X Trying to boot device selection 6
0Xd7
O O X O
X O O O Trying to boot device selection 7
0xD8
O O X O
O X X X Trying to boot device selection 8
0xD9
O O X O
O X X O Trying to boot device selection 9
0xDA
O O X O
O X O X Trying to boot device selection A
0xDB
O O X O
O X O O Trying to boot device selection B
0xDC
O O X O
O O X X Trying to boot device selection C
0xDD
O O X O
O O X O Trying to boot device selection D
0xDE
O O X O
O O O X Trying to boot device selection E
0xDF O O X O O O O O Trying to boot device selection F
Pre-EFI Initialization (PEI) Core
0xE0h O O O X X X X X Started dispatching early initialization modules (PEIM)
0xE1h O O O X X X X O Reserved for Initializaiton module use (PEIM)
0xE2h O O O X X X O X Initial memory found, configured, and installed correctly
0xE3h O O O X X X O O Reserved for Initializaiton module use (PEIM)
Driver eXecution Environment (DXE) Core (not accompanied by a beep code)
0xE4h O O O X X O X X Entered EFI driver execution phase (DXE)
0xE5h O O O X X O X O Started dispatching drivers
0xE6h O O O X X O O X Started connecting drivers
DXE Drivers
0xE7h O O O X O O X O Waiting for user input
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
0xF4h O O O O X O X X Entering Sleep state

Intel S5500BC Specifications

General

Brand	Intel
Model	S5500BC
Category	Server Board
Language	English