Intel S2600CP Service Manual page 179

Diagnostic LED Decoder
1 = LED On, 0 = LED Off
Checkpoint Upper Nibble
MSB
8h 4h 2h 1h 8h 4h 2h 1h
LED # #7 #6 #5
31h 0 0 1
32h 0 0 1
33h 0 0 1
34h 0 0 1
35h 0 0 1
36h 0 0 1
4Fh 0 1 0
DXE Phase
60h 0 1 1
61h 0 1 1
62h 0 1 1
63h 0 1 1
68h 0 1 1
69h 0 1 1
6Ah 0 1 1
70h 0 1 1
71h 0 1 1
72h 0 1 1
78h 0 1 1
79h 0 1 1
90h 1 0 0
91h 1 0 0
92h 1 0 0
93h 1 0 0
94h 1 0 0
95h 1 0 0
96h 1 0 0
97h 1 0 0
98h 1 0 0
99h 1 0 0
9Ah 1 0 0
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Intel Server Board S2600CP Intel
Lower Nibble
LSB
#4 #3 #2 #1 #0 Description
1 0 0 0 1 Memory Installed
1 0 0 1 0 CPU PEIM (Cpu Init)
1 0 0 1 1 CPU PEIM (Cache Init)
1 0 1 0 0 CPU PEIM (BSP Select)
1 0 1 0 1 CPU PEIM (AP Init)
1 0 1 1 0 CPU PEIM (CPU SMM Init)
0 1 1 1 1 Dxe IPL started
0 0 0 0 0 DXE Core started
0 0 0 0 1 DXE NVRAM Init
0 0 0 1 0 SB RUN Init
0 0 0 1 1 Dxe CPU Init
0 1 0 0 0 DXE PCI Host Bridge Init
0 1 0 0 1 DXE NB Init
0 1 0 1 0 DXE NB SMM Init
1 0 0 0 0 DXE SB Init
1 0 0 0 1 DXE SB SMM Init
1 0 0 1 0 DXE SB devices Init
1 1 0 0 0 DXE ACPI Init
1 1 0 0 1 DXE CSM Init
1 0 0 0 0 DXE BDS Started
1 0 0 0 1 DXE BDS connect drivers
1 0 0 1 0 DXE PCI Bus begin
1 0 0 1 1 DXE PCI Bus HPC Init
1 0 1 0 0 DXE PCI Bus enumeration
1 0 1 0 1 DXE PCI Bus resource requested
1 0 1 1 0 DXE PCI Bus assign resource
1 0 1 1 1 DXE CON_OUT connect
1 1 0 0 0 DXE CON_IN connect
1 1 0 0 1 DXE SIO Init
1 1 0 1 0 DXE USB start
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Server System P4000CP Family Service Guide (Preliminary)
Appendix C: LED Decoder
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