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Intel
®
Server System R1000WT Product Family System Integration and Service Guide
Diagnostic LED Decoder
1 = LED On, 0 = LED Off
Checkpoint
Upper Nibble
MSB
8h
4h
2h
LED #
#7
#6
#5
78h
0
1
79h
0
1
90h
1
0
91h
1
0
92h
1
0
93h
1
0
94h
1
0
95h
1
0
96h
1
0
97h
1
0
98h
1
0
99h
1
0
9Ah
1
0
9Bh
1
0
9Ch
1
0
9Dh
1
0
A1h
1
0
A2h
1
0
A3h
1
0
A4h
1
0
A5h
1
0
A6h
1
0
A7h
1
0
A8h
1
0
A9h
1
0
ABh
1
0
ACh
1
0
ADh
1
0
AEh
1
0
AFh
1
0
B0h
1
0
B1h
1
0
B2h
1
0
B3h
1
0
B4h
1
0
B5h
1
0
B6h
1
0
B7h
1
0
00h
0
0
E0h
1
1
Rev 2.2
Lower Nibble
LSB
1h
8h
4h
2h
1h
#4
#3
#2
#1
#0
1
1
1
0
0
1
1
1
0
0
0
1
0
0
0
0
1
0
0
0
0
1
0
0
1
0
1
0
0
1
0
1
0
1
0
0
1
0
1
0
0
1
0
1
1
0
1
0
1
1
0
1
1
0
0
0
1
1
0
0
0
1
1
0
1
0
1
1
0
1
0
1
1
1
0
0
1
1
1
0
1
0
0
0
0
1
0
0
0
1
1
0
0
0
1
1
0
0
1
0
1
0
0
1
0
1
0
0
1
1
1
0
0
1
1
1
0
1
0
0
1
0
1
0
0
1
0
1
0
1
1
0
1
1
0
1
0
1
1
0
1
0
1
1
1
1
0
1
1
1
1
1
0
0
0
1
1
0
0
0
1
1
0
0
1
1
1
0
0
1
1
1
0
1
0
1
1
0
1
0
1
1
0
1
1
1
1
0
1
1
0
0
0
0
0
1
0
0
0
0
Description
0
DXE ACPI Init
1
DXE CSM Init
0
DXE BDS Started
1
DXE BDS connect drivers
0
DXE PCI Bus begin
1
DXE PCI Bus HPC Init
0
DXE PCI Bus enumeration
1
DXE PCI Bus resource requested
0
DXE PCI Bus assign resource
1
DXE CON_OUT connect
0
DXE CON_IN connect
1
DXE SIO Init
0
DXE USB start
1
DXE USB reset
0
DXE USB detect
1
DXE USB enable
1
DXE IDE begin
0
DXE IDE reset
1
DXE IDE detect
0
DXE IDE enable
1
DXE SCSI begin
0
DXE SCSI reset
1
DXE SCSI detect
0
DXE SCSI enable
1
DXE verifying SETUP password
1
DXE SETUP start
0
DXE SETUP input wait
1
DXE Ready to Boot
0
DXE Legacy Boot
1
DXE Exit Boot Services
0
RT Set Virtual Address Map Begin
1
RT Set Virtual Address Map End
0
DXE Legacy Option ROM init
1
DXE Reset system
0
DXE USB Hot plug
1
DXE PCI BUS Hot plug
0
DXE NVRAM cleanup
1
DXE Configuration Reset
0
INT19
S3 Resume
0
S3 Resume PEIM (S3 started)
89
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