Appendix B Error Messages and LED Codes
This appendix describes the progress codes and the corresponding LED codes that are
reported by the BIOS. The LED codes are 8-bit quantities and are used as Port 80
codes with the platform Port 80 capturing device. The higher nibble alone is used for a
4-bit LED.
B.1
Port 0x80 Progress Codes
Table 30.
Port 0x80 Progress Codes
Description
Port 0x80 Code
SEC Phase
First POST code after CPU reset
0x01
Microcode load begin
0x02
CRAM initialization begin
0x03
PEI Cache When Disabled
0x04
SEC Core At Power On Begin
0x05
Early CPU initialization during Sec Phase
0x06
Early SB initialization during Sec Phase
0x07
Early NB initialization during Sec Phase
0x08
End Of Sec Phase
0x09
Microcode Not Found
0x0E
Microcode Not Loaded
0x0F
PEI Phase
PEI Core Initialization
0x10
CPU PEIM Initialization
0x11
NB PEIM Initialization
0x15
SB PEIM Initialization
0x19
Memory Detection PEIM (SPD READ)
0x1D
Memory Detection PEIM (Memory Presence Detect)
0x1E
Memory Detection PEIM (Memory Timing)
0x1F
Memory Detection PEIM (Memory Configuring)
0x20
Memory Detection PEIM (Memory Init)
0x21
Memory Installed
0x31
CPU PEIM (CPU Init)
0x32
CPU PEIM (Cache Init)
0x33
continued...
Error Messages and LED Codes—Crystal Forest
Intel
®
Xeon
®
Processor E3-1125C with Intel
®
Communications Chipset 8910 Development Kit
October 2012
User Guide
Order No.: 328009-001US
53