Chapter 4: UEFI BIOS
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Set New Key
Select Yes to load the DBT from the manufacturer's defaults. Select No to load the DBT from a file. The options are Yes
and No.
Append Key
Select Yes to add the DBT from the manufacturer's defaults list to the existing DBT. Select No to load the DBT from a
file. The options are Yes and No.
OsRecovery Signature
The options are
Update
and Append.
This item uploads and installs an OSRecovery Signature. You may select options for Set New for a factory default key,
or select Append to get it 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.