220
Code Value BSP,
APs,
Both
Meaning Display
0x87B4 BSP
Search FIT for EFI module with call to PELoader. Get Size, align, and
scratch buff size.
South
0x07B4 BSP Hang on ERROR. Get entry point, and GP value. South
0x87B3 BSP Load image by module type (sal_c_module_17). South
0x07B3 BSP Hang on ERROR. Get entry point, and GP value. South
0x87B2 BSP Flush cache with PAL call. South
0x07B2 BSP Hang on ERROR. South
0x87B1 BSP Build EFI input parameter table. Get EFI stack, bspstore etc. with EFI call. South
0x07B1 BSP Hang on ERROR. South
0x87B0 BSP
Build EFI input parameter table. Get EFI stack, bspstore etc. with EFI call.
Store EFI stack, bspstore etc. with EFI call. Call EFI and that should be end.
South
0x07B0 BSP Hang on ERROR if OK come back from EFI. South
IA-32 Module
The IA-32 POST codes all have the Most Significant Bit (MSB) cleared by the convention
established above in this document. The IA-32 POST codes do not fall into the module definition
for Itanium-based platforms. The codes shown here are consistent with the 7.0 AMI core. See Table
45.
Table 45. IA-32 POST Codes
Code Value Module Display
0x00D0
Power-on delay is starting. Next, the initialization code checksum will be
verified.
South
0x00D1
Initializing the DMA controller, performing the keyboard controller BAT
test, starting memory refresh, and entering 4GB flat mode next.
South
0x00D3 Starting memory sizing next. South
0x00D4
Returning to real mode. Executing any OEM patches and setting up the
stack next.
South
0x00D5
Passing control to the uncompressed code in shadow RAM at E000
0000h.The initialization code is copied to segment 0 and control will be
transferred to segment 0.
South
0x00D6
Control is in segment 0. If the system BIOS checksum is bad, next will go
to checkpoint code E0h. Otherwise, going to checkpoint code D7h.
South
0x00D7 Passing control to the interface module next. South
0x00D8 The main system BIOS runtime code will be decompressed next. South
0x00D9 Passing control to the main system BIOS in shadow RAM next. South
0x0003 Next, checking for a soft reset or a power on condition. South
0x0005 The BIOS stack has been built. Next, disabling cache memory. South
0x0006 Uncompressing the POST code next. South
0x0008 The CMOS checksum calculation is done next. South
0x000B
Next, performing any required initialization before the keyboard BAT
South
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