Supermicro SuperWorkstation 5039A-I User Manual page 77

Chapter 6: BIOS
OsRecovery Signatures
Set New Key
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 Key
Select Yes to add the DBR from the manufacturer's defaults list to the existing DBR.
Select No to load the DBR from a file. The options are Yes and No.
77