ADLINK Technology COM Express cExpress-BL User Manual page 68

7.3.14.1. Advanced > Miscellaneous > BIOS Security Configuration
Feature
SMI Lock
BIOS Lock
GPIO Lock
BIOS Interface Lock
RTC RAM Lock
7.3.14.2. Advanced > Miscellaneous > Trusted Computing
Feature
Security Device Support
Page 68
Options Description
Enabled Enable or Disable the SMI Lock
Disabled
Enabled Enable or Disable the BIOS lock enable (BLE) bit
Disabled
Enabled Enable or Disable the GPIO lockdown
Disabled
Enabled Enable or Disable the BIOS interface lockdown
Disabled
Enabled Enable or Disable bytes 38h-2Fh in the upper and lower 128-
Disabled byte bank of the RTC RAM lockdown
Options Description
Enabled Enables or Disables BIOS support for security device.
Disabled
When disabled OS wil not show Security Device. TCG EFI
protocol and INT1A interface will not be available