User Manual

3-19
Chapter 3: BIOS setup
Secure Boot
Secure Boot can be enabled if the system is running in User mode with enrolled
platform Key (EPK) or if the CSM function is disabled.
Conguration options: [Disabled] [Enabled]
Key Management
The Key Management item allows you to modify Secure Boot variables and set
Key Management page.
Restore Factory Keys
Force System to User Mode. Congure NVRAM to contain OEM-dened
factory default Secure Boot keys.
Reset to Setup Mode
Delete NVRAM content of all UEFI Secure Boot key databases.
Export Secure Boot Variables
Copy NVRAM content of source Boot variables to les in a root folder on a
le system device.
Platform Key (PK)
Conguration options: [Details] [Export] [Update] [Delete]
Key Exchange Keys / Authorized Signatures / Forbidden Signatures
Conguration options: [Details] [Export] [Update] [Append] [Delete]
3.5 Boot menu
The Boot menu items allow you to change the system boot options.
CSMConguration
CSM Support
This option allows you to enable or disable CSM Support.
Conguration options: [Disabled] [Enabled]
Fast Boot [Enabled]
[Enabled] Select to accelerate the boot speed.
[Disabled] Select to go back to normal boot speed.
The following item appears only when you set Fast Boot to [Enabled].
SATA Support
[Last Boot SATA Devices Only] Only last boot SATA device will be available in POST.
[All SATA Devices] All SATA devices will be available in OS and POST.