Supermicro SuperServer 5019C-M4L User Manual page 91

Chapter 6: BIOS

OsRecovery Signature
This feature uploads and installs an OSRecovery Signature. You may insert a factory
default key or load from a file. The file formats accepted are:
1) Public Key Certificate
a. EFI Signature List
b. EFI CERT X509 (DER Encoded)
c. EFI CERT RSA2048 (bin)
d. EFI SERT SHA256 (bin)
2) EFI Time Based Authenticated Variable
When prompted, select "Yes" to load Factory Defaults or "No' to load from a file.
Update
Select Yes to load the DBR from the manufacturer's defaults. Select No to load the DBR
from a file. The options are Yes and No.
Append
This feature uploads and adds an OSRecovery Signature into the Key Management. You
may insert a factory default key or load from a file. When prompted, select "Yes" to load
Factory Defaults or "No" to load from a file.
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