Table 27. Post Progress Codes - Intel MFSYS25V2 Specification

Appendix B: POST Code Diagnostic LED Decoder
Upper nibble bits = 1010b = Ah; Lower nibble bits = 1100b = Ch; the two are concatenated as
ACh
The following table provides a list of all POST progress codes.
Checkpoint Diagnostic LED Decoder
1 = LED On, 0 = LED Off
Upper Nibble
MSB
8h 4h 2h 1h
LED # #7 #6 #5 #4 #3 #2 #1 #0
SEC Phase
01h 0 0 0
02h 0 0 0
03h 0 0 0
04h 0 0 0
05h 0 0 0
06h 0 0 0
07h 0 0 0
08h 0 0 0
09h 0 0 0
0Eh 0 0 0
0Fh 0 0 0
PEI Phase
10h 0 0 0
11h 0 0 0
15h 0 0 0
19h 0 0 0
MRC Process Codes – MRC Progress Code Sequence is executed - See Table 28
PEI Phase continued...
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
46

Table 27. POST Progress Codes

Lower Nibble
LSB
8h 4h 2h 1h
0 0 0 0 1 First POST code after CPU reset
0 0 0 1 0 Microcode load begin
0 0 0 1 1 CRAM initialization begin
0 0 1 0 0 Pei Cache When Disabled
0 0 1 0 1 SEC Core At Power On Begin.
0 0 1 1 0 Early CPU initialization during Sec Phase.
0 0 1 1 1 Early SB initialization during Sec Phase.
0 1 0 0 0 Early NB initialization during Sec Phase.
0 1 0 0 1 End Of Sec Phase.
0 1 1 1 0 Microcode Not Found.
0 1 1 1 1 Microcode Not Loaded.
1 0 0 0 0 PEI Core
1 0 0 0 1 CPU PEIM
1 0 1 0 1 NB PEIM
1 1 0 0 1 SB PEIM
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
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Intel order number: G51989-002
Intel Compute Module MFS2600KI TPS
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Description
Revision 1.0