Instruction Manual

40 Checkpoints & Beep Codes
0x3B
Post-Memory South Bridge initialization is
started
0x3C
Post-Memory South Bridge initialization (South
Bridge module specific)
0x3D
Post-Memory South Bridge initialization (South
Bridge module specific)
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
Status Code Description