Supermicro X13DGU User Manual page 161

Hard Drive Security Frozen
Select Enabled to freeze the Lock Security feature for HDD to protect key data in hard drives
from being altered. The options are Disabled and Enabled.
Lockdown Mode (Available when the DCMS key is activated)
Select Enabled to support Lockdown Mode that will prevent the existing data or keys stored
in the system from being altered or changed in an effort to preserve system integrity and data
security. The options are Disabled and Enabled.
Supermicro Security Erase Configuration (Available when a
storage device is detected by the BIOS and the NVMe Firmware
Sources feature in PCIe/PCI/PnP is set to AMI Native Support)
Note: To configure Supermicro Security Erase settings, please follow the instructions
below to enable Security Erase feature support in the BIOS.
How to Activate Security Erase Configuration submenu for Secure Erase Support
1. From the Advanced menu, select PCIe/PCI/PnP and press <Enter> to invoke the PCI
Devices Common Settings page.
2. When the PCI Devices Common Settings screen displays, select NVMe Firmware
Sources and press <Enter>. The NVMe Firmware Sources pup-up dialogue box will
display.
3. From the pup-up box, select AMI Native Support and press <Enter>. Be sure to save
the changes you've made and reboot the system for the new settings to take effect by
pressing <F4>.
4. Press <Del> at bootup to return to the AMI BIOS Setup Utility.
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Chapter 4: UEFI BIOS