Intel P4304XXMFEN2

Intel
®
Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide
159
Diagnostic LED Decoder
LED #
LED 3 LED 2 LED 1 LED 0
Description
Checkpoint
Upper Nibble
8h
(MSB)
4h 2h
1h
(LSB)
Lower Nibble
8h
(MSB)
4h 2h
1h
(LSB)
Lower Nibble
1
1
1
0
Coherency settings
AFh
Upper Nibble
1
0
1
0
UPI initialization done
Lower Nibble
1
1
1
1
07h
Upper Nibble
0
0
0
0
Early SB Initialization during Sec Phase
Lower Nibble
0
1
1
1
08h
Upper Nibble
0
0
0
0
Early NB Initialization during Sec Phase
Lower Nibble
1
0
0
0
09h
Upper Nibble
0
0
0
0
End of Sec Phase
Lower Nibble
1
0
0
1
0Eh
Upper Nibble
0
0
0
0
Microcode Not Found
Lower Nibble
1
1
1
0
0Fh
Upper Nibble
0
0
0
0
Microcode Not Loaded
Lower Nibble
1
1
1
1
PEI Phase
10h
Upper Nibble
0
0
0
1
PEI Core
Lower Nibble
0
0
0
0
11h
Upper Nibble
0
0
0
1
CPU PEIM
Lower Nibble
0
0
0
1
15h
Upper Nibble
0
0
0
1
NB PEIM
Lower Nibble
0
1
0
1
19h
Upper Nibble
0
0
0
1
SB PEIM
Lower Nibble
1
0
0
1
MRC Progress Codes
31h
Upper Nibble
0
0
1
1
Memory Installed
Lower Nibble
0
0
0
1
32h
Upper Nibble
0
0
1
1
CPU PEIM (CPU Init)
Lower Nibble
0
0
1
0
33h
Upper Nibble
0
1
0
0
CPU PEIM (Cache Init)
Lower Nibble
1
1
1
1
4Fh
Upper Nibble
0
1
0
0
DXE IPL started
Lower Nibble
1
1
1
1
DXE Phase