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Intel S2400SC - Page 147

Intel S2400SC
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Intel® Server Board S2400SC TPS Appendix C: POST Code Diagnostic LED Decoder
Revision 2.0 Intel order number G36516-002
135
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
70h
0
1
1
1
0
0
0
0
DXE SB Init
71h
0
1
1
1
0
0
0
1
DXE SB SMM Init
72h
0
1
1
1
0
0
1
0
DXE SB devices Init
78h
0
1
1
1
1
0
0
0
DXE ACPI Init
79h
0
1
1
1
1
0
0
1
DXE CSM Init
90h
1
0
0
1
0
0
0
0
DXE BDS Started
91h
1
0
0
1
0
0
0
1
DXE BDS connect drivers
92h
1
0
0
1
0
0
1
0
DXE PCI Bus begin
93h
1
0
0
1
0
0
1
1
DXE PCI Bus HPC Init
94h
1
0
0
1
0
1
0
0
DXE PCI Bus enumeration
95h
1
0
0
1
0
1
0
1
DXE PCI Bus resource requested
96h
1
0
0
1
0
1
1
0
DXE PCI Bus assign resource
97h
1
0
0
1
0
1
1
1
DXE CON_OUT connect
98h
1
0
0
1
1
0
0
0
DXE CON_IN connect
99h
1
0
0
1
1
0
0
1
DXE SIO Init
9Ah
1
0
0
1
1
0
1
0
DXE USB start
9Bh
1
0
0
1
1
0
1
1
DXE USB reset
9Ch
1
0
0
1
1
1
0
0
DXE USB detect
9Dh
1
0
0
1
1
1
0
1
DXE USB enable
A1h
1
0
1
0
0
0
0
1
DXE IDE begin
A2h
1
0
1
0
0
0
1
0
DXE IDE reset
A3h
1
0
1
0
0
0
1
1
DXE IDE detect
A4h
1
0
1
0
0
1
0
0
DXE IDE enable
A5h
1
0
1
0
0
1
0
1
DXE SCSI begin
A6h
1
0
1
0
0
1
1
0
DXE SCSI reset
A7h
1
0
1
0
0
1
1
1
DXE SCSI detect
A8h
1
0
1
0
1
0
0
0
DXE SCSI enable
A9h
1
0
1
0
1
0
0
1
DXE verifying SETUP password
ABh
1
0
1
0
1
0
1
1
DXE SETUP start
ACh
1
0
1
0
1
1
0
0
DXE SETUP input wait
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)

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