Secure Boot - Viglen VIG820S User Manual

Boot from PCI-E/PCI Expansion Devices [Legacy OpR...]
Allows you to select the type of PCIe/PCI expansion devices that you want to launch. Configuration
options:
[Legacy OpROM first]
[UEFI driver first]

4.10.9 Secure Boot

Allows you to configure the Windows® Secure Boot settings and manage its keys to protect the system
from unauthorized access and malwares during POST.
OS Type [Windows UE...]
Allows you to select your installed operating system.
[Windows UEFI mode]
[Other OS]
 The following item appears when OS Type is set to [Windows UEFI mode].
Key Management
Clear Secure Boot keys
This item appears only when you load the default Secure Boot keys. This item allows you to clear
all default Secure Boot keys.
Save Secure Boot keys
This item appears only when you load the default Secure Boot keys. This item allows you to save
all default Secure Boot keys.
PK Management
The Platform Key (PK) locks and secures the firmware from any non-permissible changes. The
system verifies the PK before your system enters the OS.
Delete PK
Allows you to delete the PK from your system. Once the PK is deleted, all the system's
Secure Boot keys will not be active. Configuration options: [Yes] [No]
Load PK from File
Allows you to load the downloaded PK from a USB storage device.
The PK file must be formatted as a UEFI variable structure with time-based authenticated variable.
KEK Management
The KEK (Key-exchange Key or Key Enrollment Key) manages the Signature database (db) and Revoked
Signature database (dbx). Key-exchange Key (KEK) refers to Microsoft® Secure Boot Key-Enrollment Key
(KEK).
Delete the KEK
Allows you to delete the KEK from your system. Configuration options: [Yes] [No]
Load KEK from File
Allows you to load the downloaded KEK from a USB storage device.
Append KEK from file
Allows you to load the additional KEK from a storage device for an additional db and dbx loaded
management. The KEK file must be formatted as a UEFI variable structure with time-based
authenticated variable.
V1.0
Executes the Microsoft® Secure Boot check. Only select this
option when booting on Windows® UEFI mode or other
Microsoft® Secure Boot compliant OS.
Get the optimized function when booting on Windows® non-UEFI
mode, Windows® Vista/XP, or other Microsoft® Secure Boot non-
compliant OS. Only on Windows® UEFI mode that
Microsoft®Secure Boot can function properly.
Vig820S Motherboard Manual
70