1. System BIOS
Express5800/R120g-1M, R120g-2M Maintenance Guide
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Chapter 2 Useful Features
(1)
Secure Boot Configuration submenu
When "Secure Boot" is selected and the <Enter> key is pressed in the Security menu, the following screen is
displayed.
For details about the options, see the table below.
Option
Parameter
Description
System Mode
(display only)
Display the status of registration of Platform Key
(PK). It is not registered if the status is [Setup]. It is
registered if the status is [User].
Secure Boot
(display only)
When you enable the Secure Boot function and
boot SETUP, the status gets [Active].
Vendor Keys
(display only)
The status gets [Active] when the default key is
registered.
Secure Boot
[Disabled]
Enabled
Enable or disable the Secure Boot function.
You can enable it by registering the key.
Secure Boot Mode
[Standard]
Custom
Set it to [Custom] to add/delete the key.
Invalid Signature Detection
[Boot Next Device]
Halt
Specify the operation when an illegal signature is
detected by the Secure Boot function. If
"
Halt
"
is
specified, a pop-up message is displayed during POST.
Select OK to boot the next higher priority device.
If
"
Boot Next Device
"
is specified, the device of the next
highest priority is booted without displaying a message.
Key Management
-
This item can be selected only when
"
Secure Boot
Mode
"
is set to
"
Custom
"
.
Tips
•
We recommend that you set “Administrator Password” to enable “Secure Boot”.
•
When “Secure Boot” is enabled, the UEFI driver of the option card needs to be
signed by the Microsoft key to have the option card recognized as a bootable
device.