Configure firmware   
2.4 "Advanced" tab 
  Firmware/BIOS description SIMATIC IPC BX-39A, IPC PX-39A, IPC PX-39A PRO 
18  Operating Instructions, 01/2023, A5E51110693-AA 
2.4.3  "CPU Configuration" 
Calling "CPU Configuration" 
Select: "Setup Utility (Page 10)" > "Advanced" > "CPU Configuration". 
 
Firmware setting  Value  Setting in de-
Meaning 
IPC BX-39A 
IPC PX-39A 
Intel (VMX) Virtualization 
Technology 
The virtualization functionality of Intel® is locked. 
The virtualization functionality of Intel® is released. 
VMM systems (virtual machine monitor) can use the 
processor support for virtualization purposes (virtual 
machine extensions VMX) and additional performance 
features of the Vanderpool Technology hardware (VT). 
All cores of the processor are active and used. 
Number of processor cores used provided they do not 
exceed the actual number of cores. The remaining 
processor cores are inactive and are hidden from the 
operating system. This can resolve certain problems 
with software. 
Note: The setting options depend on the device config-
uration. 
 
(only if the processor 
type used supports Hy-
Hyper-Threading is disabled. 
Hyper-Threading is enabled (for Windows® and Linux 
operating systems). 
The secure encryption method AES (Advanced Encryp-
tion Standard) is not supported by hardware. 
The secure encryption method AES (Advanced Encryp-
tion Standard) is supported by hardware. Encryption 
and decryption are accelerated.