Appendix C: LED Decoder
Intel
®
Server Board S2600CP Intel
®
Server System P4000CP Family Service Guide (Preliminary) 165
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
31h 0 0 1 1 0 0 0 1 Memory Installed
32h 0 0 1 1 0 0 1 0 CPU PEIM (Cpu Init)
33h 0 0 1 1 0 0 1 1 CPU PEIM (Cache Init)
34h 0 0 1 1 0 1 0 0 CPU PEIM (BSP Select)
35h 0 0 1 1 0 1 0 1 CPU PEIM (AP Init)
36h 0 0 1 1 0 1 1 0 CPU PEIM (CPU SMM Init)
4Fh 0 1 0 0 1 1 1 1 Dxe IPL started
DXE Phase
60h 0 1 1 0 0 0 0 0 DXE Core started
61h 0 1 1 0 0 0 0 1 DXE NVRAM Init
62h 0 1 1 0 0 0 1 0 SB RUN Init
63h 0 1 1 0 0 0 1 1 Dxe CPU Init
68h 0 1 1 0 1 0 0 0 DXE PCI Host Bridge Init
69h 0 1 1 0 1 0 0 1 DXE NB Init
6Ah 0 1 1 0 1 0 1 0 DXE NB SMM Init
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