Dell 3250, Product Manual

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Code Number BSP, APs,
Both
Meaning Display
and SP if needed. Wait for interrupt wakeup.
0x87DC BSP only Switch to virtual address Control register programming
SET in PSR bn(44), it(36), rt(27), dt(17), ic(13).
Clear task priority register=cr.tpr.
Clear interruption function state register-cr.ifs.
Set legacy BIOS cs.base and ss.base.
Set es,ds,fs,gs=0 with 4G limit Legacy BIOS module
(eip).
Give control at xxxx:e05b to IA-32 code.
South
SAL-F Module
Table 44. SAL-F POST Codes
Code Value BSP,
APs,
Both
Meaning Display
0x87BF BSP First check point. Check point in v6b00_83_ip2x. Update EBDA entry inside
SST. Create EFI memory descriptor Update SST checksum.
South
0x87BE BSP Check point near v6b00_83_5. Search FIT for ACPI module
(SAL_C_module_17) and get size, align, scratch buff size.
South
0x07BE BSP Hang if ERROR. South
0x87BD BSP Load image by module type (sal_c_module_17). Use PELoader. South
0x07BD BSP Hang if not found. Get entry point, and GP value. South
0x87BC BSP Load image by module type (sal_c_module_17). Flush cache. South
0x07BC BSP Hang on ERROR.
Build MP & ACPI table.
South
0x87BB BSP Initialize memory manager (0x0) by call to SAL_C. South
0x07BB BSP Hang on ERROR. South
0x87BA BSP Feed system information (0x1) with call to SAL_C. South
0x07BA BSP Hang on ERROR. South
0x87B9 BSP Initialize MP table v1.4 (0x2) with call to SAL_C South
0x07B9 BSP Hang on ERROR. South
0x87B8 BSP Initialize IA-32 ACPI v1.1 (0x3) with call to SAL_C South
0x07B8 BSP Hang on ERROR. South
0x87B7 BSP Initialize Itanium

-based ACPI v1.1 (0x4) with call to SAL_C
South
0x07B7 BSP Hang on ERROR. South
0x87B6 BSP Initialize IA-32&Itanium

-based ACPI v2.0 (0x5) with call to SAL_C
South
0x07B6 BSP Hang on ERROR. South
0x87B5 BSP Clear scratch memory (0xFFF) with call to SAL_C South
0x07B5 BSP Hang on ERROR. South