3.
Press <
F10> to save the changes and exit the BIOS Setup program.
Clearing the TPM security hardware
You can clear the TPM security hardware either from the BIOS or the OS.
Clearing from the BIOS
To clear from the BIOS:
1.
Launch the
Trusted Computing BIOS screen.
NOTE: For details, refer to steps 2-3 of the section Using the TPM-SPI card.
: Select Screen
: Select Item
Enter: Select
+/-: Change Opt.
F1: General Help
F2: Previous Values
F5: Optimized Defaults
F10: Save & Exit
ESC: Exit
Version 2.17.1246 Copyright (C) 2018 American Megatrends, Inc.
Aptio Setup Utility - Copyright (C) 2018 American Megatrends, Inc.
Advanced
Enables or Disables BIOS
support for security
device. O.S. will not
show Security Device. TCG
EFI protocol and INT1A
interface will not be
available.
TPM20 Device Found
Security Device Support [Enable]
Active PCR banks SHA-1,SHA256
Available PCR banks SHA-1,SHA256
SHA-1 PCR Bank [Enabled]
SHA256 PCR Bank [Enabled]
Pending operation [None]
Platform Hierarchy [Enabled]
Storage Hierarchy [Enabled]
Endorsement Hierarchy [Enabled]
TPM2.0 UEFI Spec Version [TCG_2]
Physical Presence Spec Version [1.3]
Pending operation
None
TPM Clear
2.
Set the
Pending operation item to [TPM Clear].
