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POST Codes are diagnostic codes sent by the BIOS to IO address 0x80. A POST
adapter needs to be installed in the system to view these POST Codes. Codes not
listed are reserved by AMI.
POST Code
0x01
0x02
0x03
0x04
0x05
0x06
0x07
0x08
0x09
0x0A
0x0B
0x0E
0x0F
0x10
0x11
0x12
0x13
0x14
0x15
0x16
0x17
0x18
SKY-8232D Manual V02 20220411
Table B-1: BOIS POST Codes
Power on. Reset type detection (soft/hard)
AP initialization before microcode loading
North Bridge initialization before microcode loading
South Bridge initialization before microcode loading
Unused
Microcode loading
AP initialization after microcode loading
North Bridge initialization after microcode loading
South Bridge initialization after microcode loading
Unused
Cache initialization
Microcode not found
Microcode not loaded
PEI Core is started
Pre-memory CPU initialization is started
Pre-memory CPU initialization (CPU module specific)
Pre-memory CPU initialization (CPU module specific)
Pre-memory CPU initialization (CPU module specific)
Pre-memory North Bridge initialization is started
Pre-Memory North Bridge initialization (North Bridge module
specific)
Pre-Memory North Bridge initialization (North Bridge module
specific)
Pre-Memory North Bridge initialization (North Bridge module
specific)
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