MSI MEG B550 UNIFY Quick Start Manual page 53

D7 No Console Input Devices are found
D8 Invalid password
D9 Error loading Boot Option (LoadImage returned error)
DA Boot Option is failed (StartImage returned error)
DB Flash update is failed
DC Reset protocol is not available
S3 Resume Progress 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
S3 Resume Error 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
Recovery Progress Codes
F0 Recovery condition triggered by firmware (Auto recovery)
F1 Recovery condition triggered by user (Forced recovery)
F2 Recovery process started
F3 Recovery firmware image is found
F4 Recovery firmware image is loaded
F5 - F7 Reserved for future AMI progress codes
Recovery Error Codes
F8 Recovery PPI is not available
F9 Recovery capsule is not found
FA Invalid recovery capsule
Reserved for future AMI error codes
FB - FF
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Onboard LEDs