JETWAY MI23 Series User Manual page 49

Secure Boot feature is Active if Secure Boot is Enabled, Platform Key(PK) is enrolled
and the System is in User mode. The mode change requires platform reset.
The optional settings: [Disabled]; [Enabled].
Secure Boot Mode
Set UEFI Secure Boot Mode to Standard mode or Custom mode. This change is
effective after save. After reset, this mode will return to Standard mode.
In Custom mode, Secure Boot Policy variables can be configured by a physically
present user without full authentication.
The optional settings: [Standard]; [Custom].
When set as [Custom], user can make further settings in the following items that
show up:
 Restore Factory Keys
Use this item to force system to User Mode, to install factory default Secure Boot key
databases.
 Reset To Setup Mode
Use this item to delete all Secure Boot key databases from NVRAM.
 Key Management
This item enables expert users to modify Secure Boot Policy variables without full
authentication, which includes the following items:
Vendor Keys
Factory Key Provision
This item is for user to install factory default Secure Boot keys after the platform reset
and while the System is in Setup mode.
The optional settings: [Disabled]; [Enabled].

Restore Factory Keys
Use this item to force system into User Mode. Install factory default Secure Boot key
databases.
 Reset To Setup Mode
Use this item to delete all Secure Boot key databases from NVRAM.

Enroll Efi Image
This item allows the image to run in Secure Boot mode.
Enroll SHA256 Hash certificate of a PE image into Authorized Signature Database
(db).
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