Intel SR870BN4 - Server Platform - 0 MB RAM Product Manual page 272

Code Number Meaning
0x8EC6 Programming Flash Contents
0x8EC7 Validating Flash Contents
0x8EC8 Recovery Process Complete
0xCEC1 Recovery Reading error(display toggles)
0xCECx Recovery programming error (display toggels)
0x8E80 PEIM Handoff block entry
0x8C00 SALA to SALB/DXE handoff
0x8AF0 Reserved for MCA, INIT, PMI
to
0x8800
SAL-B Module
Table 51. SAL-B POST Codes
Code BSP, APs,
Number Both
0x87FF BSP+APs
0x87FE BSP
onlyAndBSP+
APs
0x87FD BSP only
0x07FD BSP only
0x87FC BSP only
0x07FC BSP only
0x87FB BSP only
0x07FB BSP only
0x87FA BSP only
0x07FA BSP only
272
Meaning
First check point. Initialize
cr.iva/ar.eflag/ar.cflg/cr.lrr0/cr.lrr1/cr.ifa/cr.itir
Initialize io_base address, CPU#, health, etc. for CPU's
Initialize min_state_area for all CPU's
(cpu_data_base+cpu_bspstore_base+cpu_health)
cpu_data_base points to min state save area. TOM below and
above 4G
Allocate sal_mp_info_table data and sal_efi stack area and
legacy_stack (temp)
Initialize legacy stack top and bottom for temporary use during
POST only. INT_15,(FN# F788 in EM code) uses INT-8 timer
tick for frequency calculation. (BSP+APs) Save ID, EID, Initialize
BSPSTORE,SP
Search FIT for legacy BIOS
Then hang, if not found
If found copy top 64K legacy boot block ROM at xxxx:0000
Search for legacy_nvm module (sal_legacy_nvm_module_1d)
Then hang, if not found
Else continue by saving in RAM
Search for efi_nvm module (sal_efi_nvm_module_1e)
Then hang, if not found
Else continue by saving in RAM
Reserve 128k memory for NVM emulation
Search for acpi_dsdt module (sal_acpi_data_module_16)
Ask for Address, size, type
Then hang, if not found
Else continue by saving in RAM
Intel® SR870BN4 Server System Product Guide
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