6. Appendix
BX-220 User’s manual
69
6.
Appendix
POST Codes
Table 6.1. POST Codes < 1 / 3 >
(hex)
Description
Power ON. The detection of the reset kind (Hard/Soft)
Initialize the microcode load previous AP
Initialize the microcode load previous North Bridge
Initialize the microcode load previous South Bridge
Initialize the microcode load previous OEM
Initialize the microcode load previous AP
Initialize the microcode load previous North Bridge
Initialize the microcode load previous South
Initialize the microcode load previous OEM
< Pre-EFI Initialization (PEI) phase >
PRI memory CPU initialization starts
PRI memory CPU initialization (Specific CPU module)
PRI memory, Nouth Bridge initialization starts
PRI memory, Nouth Bridge initialization (Specific Nouth Bridge)
PRI memory, South Bridge initialization starts
PRI memory, South Bridge initialization (Specific South Bridge)
OEM, PRI memory initialization code
Memory initialization : Serial Presence Detect(SPD)
Data loading
Memory initialization :
Memory detection
Memory initialization : Programming of the memory timing information
Memory initialization :
Memory configuration
Memory initialization :
Others
ASL for reserved (Refer to ACPI/ASL Checkpoints)
CPU post memory initialization starts
CPU post memory initialization : Cache initialization
CPU post memory initialization : Application Processor(s)(AP) initialization
CPU post memory initialization : Boot strap processor(BSP) selection
CPU post memory initialization : System Management Mode(SMM) initialization
Post memory, North Bridge initialization starts
Post memory, North Bridge initialization (Specific Nouth Bridge module)
Post memory, South Bridge initialization starts
Post memory, South Bridge initialization (Specific South Bridge module)
OEM post memory initialization code
< Driver Execution Environment (DXE) phase >
South Bridge runtime services installation
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