Technical Product Specification

Appendix C: POST Code Diagnostic LED Decoder
Intel® Server System R1304BTSSFAN/ R1304BTLSFAN/ R1304BTLSHBN TPS
Progress Code
Diagnostic LED Decoder
O = On, X=Off
Upper Nibble Lower Nibble
MSB 8h 4h 2h 1h 8h 4h 2h 1h LSB
#7 #6 #5 #4 #3 #2 #1 #0
Description
0xA3
O X O X X X O O
DXE IDE detect
0xA4
O X O X X O X X
DXE IDE enable
0xA9
O X O X O X X O
DXE verifying SETUP password
0xAB
O X O X O X O O
DXE SETUP start
0xAC
O X O X O O X X
DXE SETUP input wait
0xAD
O X O X O O X O
DXE Ready to Boot
0xAE
O X O X O O O X
DXE Legacy Boot
0xAF
O X O X O O O O
DXE Exit Boot Services
0xB0
O X O O X X X X
RT Set Virtual Address Map Begin
0xB1
O X O O X X X O
RT Set Virtual Address Map End
0xB2
O X O O X X O X
DXE Legacy Option ROM init
0xB3
O X O O X X O O
DXE Reset system
0xB4
O X O O X O X X
DXE USB Hot plug
0xB5
O X O O X O X O
DXE PCI BUS Hot plug
0xB6
O X O O X O O X
DXE NVRAM cleanup
0xB7
O X O O O O O O
DXE Configuration Reset
0x00
X X X X X X X X
INT19
BIOS Recovery
0xF0
O O O O X X X X
PEIM which detected forced Recovery condition
0xF1
O O O O X X X O
PEIM which detected User Recovery condition
0xF2
O O O O X X O X
Recovery PEIM (Recovery started)
0xF3
O O O O X X O O
Recovery PEIM (Capsule found)
0xF4
O O O O X O X X
Recovery PEIM (Capsule loaded)
Revision 2.4
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