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Code Description
31 Memory Installed
32 – 36 CPU post-memory initialization
37 – 3A Post-Memory System Agent initialization is started
3B – 3E Post-Memory PCH initialization is started
3F – 4E Post memory initialization codes
4F DXE IPL is started
50 – 53
Memory initialization error. Invalid memory type or incompatible memory
speed
54 Unspecied memory initialization error
55 Memory not installed
56 Invalid CPU type or Speed
57 CPU mismatch
58 CPU self test failed or possible CPU cache error
59 CPU micro-code is not found or micro-code update is failed
5A Internal CPU error
5B Reset PPI is not available
5C – 5F Reserved for future AMI error codes
E0 S3 Resume is stared (S3 Resume PPI is called by the DXE IPL)
E1 S3 Boot Script execution
E2 Video repost
E3 OS S3 wake vector call
E4 – E7 Reserved for future AMI progress codes
E8 S3 Resume Failed
E9 S3 Resume PPI not Found
EA S3 Resume Boot Script Error
EB S3 OS Wake Error
EC – EF Reserved for future AMI error codes
F0 Recovery condition triggered by rmware (Auto recovery)
F1
Recovery condition triggered by user (Forced recovery)
F2
Recovery process started
F3
Recovery rmware image is found
F4
Recovery rmware image is loaded
Q-Code table (continued)
2-16 Chapter 2: Hardware information