Configure firmware 
  2.5 "Security" tab 
Firmware/BIOS description SIMATIC IPC BX-39A, IPC PX-39A, IPC PX-39A PRO 
Operating Instructions, 01/2023, A5E51110693-AA 
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2.5  "Security" tab 
2.5.1  Level: "Security" tab 
Calling "Security" tab 
Select: "Setup Utility (Page 10)" > "Security". 
 
Firmware setting  Value  Setting in de-
Meaning 
IPC BX-39A 
IPC PX-39A 
The TPM (Trusted Platform Module) is visible in the oper-
ating system. 
The TPM (Trusted Platform Module) is not visible in the 
operating system. 
The status of the TPM (Trusted Platform Module) is not 
changed. 
The TPM (Trusted Platform Module) is enabled (if it was 
not already enabled). 
The status of the TPM (Trusted Platform Module) is 
changed dependent on the selected action. 
Note: 
•  PP = Physical Presence 
•  PCRs = Platform Configuration Registers 
•  EPS = Endorsement Primary Seed 
 
Note: This is a one-time operation. After the command is 
executed (following a reboot), the value of "TPM Opera-
tion" is at "No Operation". 
SetPPRequired-
ForClear_True 
SetPPRequired-
ForClear_False 
SetPPRequired-
ForTurnOn_False 
SetPPRequired-
ForTurnOn_True 
SetPPRequired-
ForTurnOff_False 
SetPPRequired-
ForTurnOff_True 
ForChangePCRs 
ForChangePCRs 
ForChangeEPS 
SetPPRequired-
ForChangeEPS_True