Intel S1200RP Service Guide - Page 163

Appendix C: LED Decoder The following table provides a list of all POST progress codes. Table 11. POST Progress Code Decoder Diagnostic LED Decoder 1 = LED On, 0 = LED Off Checkpoint Upper Nibble Lower Nibble MSB LSB LED # 8h 4h 2h 1h 8h 4h 2h 1h #7 #6 #5 #4 #3 #2 #1 #0 Description SEC Phase 01h 0 0 0 0 0 0 0 1 First POST code after CPU reset 02h 0 0 0 0 0 0 1 0 Microcode load begin 03h 0 0 0 0 0 0 1 1 CRAM initialization begin 04h 0 0 0 0 0 1 0 0 Pei Cache When Disabled 05h 0 0 0 0 0 1 0 1 SEC Core At Power On Begin. 06h 0 0 0 0 0 1 1 0 Early CPU initialization during Sec Phase. 07h 0 0 0 0 0 1 1 1 Early SB initialization during Sec Phase. 08h 0 0 0 0 1 0 0 0 Early NB initialization during Sec Phase. 09h 0 0 0 0 1 0 0 1 End Of Sec Phase. 0Eh 0 0 0 0 1 1 1 0 Microcode Not Found. 0Fh 0 0 0 0 1 1 1 1 Microcode Not Loaded. PEI Phase 10h 0 0 0 1 0 0 0 0 PEI Core 11h 0 0 0 1 0 0 0 1 CPU PEIM 15h 0 0 0 1 0 1 0 1 NB PEIM 19h 0 0 0 1 1 0 0 1 SB PEIM MRC Process Codes - MRC Progress Code Sequence is executed PEI Phase continued... 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 Intel® Server System R1000RP Service Guide 151