Table 11. Post Progress Code Led Example - Intel S2600CP Service Manual

Appendix C: LED Decoder
The LEDs are decoded as follows:
Upper Nibble AMBER LEDs
MSB
LEDs
LED #7
8h
ON
Status
1
Decode
Result
Ah
The following table provides a list of all POST progress codes.
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
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 63
PEI Phase continued...
164

Table 11. POST Progress Code LED Example

7 6
LED #6 LED #5
4h 2h
OFF ON
0 1
Table 12. POST Progress Code Decoder
Lower Nibble
LSB
#4 #3 #2 #1 #0
0 0 0 0 1
0 0 0 1 0
0 0 0 1 1
0 0 1 0 0
0 0 1 0 1
0 0 1 1 0
0 0 1 1 1
0 1 0 0 0
0 1 0 0 1
0 1 1 1 0
0 1 1 1 1
1 0 0 0 0
1 0 0 0 1
1 0 1 0 1
1 1 0 0 1
®
Intel Server Board S2600CP Intel
Lower Nibble GREEN LEDs
5 4
LED #4 LED #3
1h 8h
OFF ON
0 1
Ch
Description
First POST code after CPU reset
Microcode load begin
CRAM initialization begin
Pei Cache When Disabled
SEC Core At Power On Begin.
Early CPU initialization during Sec Phase.
Early SB initialization during Sec Phase.
Early NB initialization during Sec Phase.
End Of Sec Phase.
Microcode Not Found.
Microcode Not Loaded.
PEI Core
CPU PEIM
NB PEIM
SB PEIM
®
Server System P4000CP Family Service Guide
3 2
LED #2 LED #1
4h 2h
ON OFF
1 0
LSB
LED #0
1h
OFF
0