BIOS
C
HECKPOINTS
2-25
DXE Phase
0x3E
Post-Memory South Bridge initialization (South Bridge module specific)
0x3F – 0x4E
OEM post memory initialization codes
0x4F
DXE IPL is started
PEI Error Codes
0x50
Memory initialization error. Invalid memory type or incompatible memory speed
0x51
Memory initialization error. SPD reading has failed
0x52
Memory initialization error. Invalid memory size or memory modules do not match.
0x53
Memory initialization error. No usable memory detected
0x54
Unspecified memory initialization error.
0x55
Memory not installed
0x56
Invalid CPU type or Speed
0x57
CPU mismatch
0x58
CPU self test failed or possible CPU cache error
0x59
CPU micro-code is not found or micro-code update is failed
0x5A
Internal CPU error
0x5B
reset PPI is not available
0x5C-0x5F
Reserved for future AMI error codes
S3 Resume Progress Codes
0xE0
S3 Resume is stared (S3 Resume PPI is called by the DXE IPL)
0xE1
S3 Boot Script execution
0xE2
Video repost
0xE3
OS S3 wake vector call
0xE4 – 0xE7
Reserved for future AMI progress codes
S3 Resume Error Codes
0xE8
S3 Resume Failed
0xE9
S3 Resume PPI not Found
0xEA
S3 Resume Boot Script Error
0xEB
S3 OS Wake Error
0xEC – 0xEF
Reserved for future AMI error codes
Table 15: DXE Phase
S
TATUS
C
ODE
D
ESCRIPTION
0x60
DXE Core is started
0x61
NVRAM initialization
Table 14: PEI Phase (Continued)
S
TATUS
C
ODE
D
ESCRIPTION