Intel® Server System R2000LH2/T2 Product Family TPS
Appendix B: POST Code Diagnostic LED Decoder
Revision 1.0
101
Checkpoint
Diagnostic LED Decoder
Description
1 = LED On, 0 = LED Off
Upper Nibble
Lower Nibble
MSB
LSB
8h 4h 2h 1h 8h 4h 2h 1h
LED # #7 #6 #5 #4 #3 #2 #1 #0
ADh
1
0
1
0
1
1
0
1
DXE Ready to Boot
AEh
1
0
1
0
1
1
1
0
DXE Legacy Boot
AFh
1
0
1
0
1
1
1
1
DXE Exit Boot Services
B0h
1
0
1
1
0
0
0
0
RT Set Virtual Address Map Begin
B1h
1
0
1
1
0
0
0
1
RT Set Virtual Address Map End
B2h
1
0
1
1
0
0
1
0
DXE Legacy Option ROM init
B3h
1
0
1
1
0
0
1
1
DXE Reset system
B4h
1
0
1
1
0
1
0
0
DXE USB Hot plug
B5h
1
0
1
1
0
1
0
1
DXE PCI BUS Hot plug
B6h
1
0
1
1
0
1
1
0
DXE NVRAM cleanup
B7h
1
0
1
1
0
1
1
1
DXE Configuration Reset
00h
0
0
0
0
0
0
0
0
INT19
S3 Resume
E0h
1
1
0
1
0
0
0
0
S3 Resume PEIM (S3 started)
E1h
1
1
0
1
0
0
0
1
S3 Resume PEIM (S3 boot script)
E2h
1
1
0
1
0
0
1
0
S3 Resume PEIM (S3 Video Repost)
E3h
1
1
0
1
0
0
1
1
S3 Resume PEIM (S3 OS wake)
BIOS Recovery
F0h
1
1
1
1
0
0
0
0
PEIM which detected forced Recovery condition
F1h
1
1
1
1
0
0
0
1
PEIM which detected User Recovery condition
F2h
1
1
1
1
0
0
1
0
Recovery PEIM (Recovery started)
F3h
1
1
1
1
0
0
1
1
Recovery PEIM (Capsule found)
F4h
1
1
1
1
0
1
0
0
Recovery PEIM (Capsule loaded)
F8h
1
1
1
1
1
0
0
0
Recovery PPI not found
F9h
1
1
1
1
1
0
0
1
Recovery Capsule not found
FAh
1
1
1
1
1
0
1
0
Invalid Recovery Capsule
Содержание S4600LT2
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