Siemens SIMATIC IPC427E Operating Instructions Manual page 23

Firmware setting
Active Processor Cores
Hyper-Threading
AES
Firmware/BIOS Description SIMATIC IPC427E, IPC477E
Operating Instructions, 07/2020, A5E50262994-AA
Value Setting in
delivery
state
IPC427E
IPC477E
All
1
2
3
Disabled
Enabled
Disabled
Enabled
Meaning
x All cores of the processor are active and used.
Number of processor cores used provided they do not ex-
ceed the actual number of cores. The remaining processor
cores are inactive and are hidden from the operating sys-
tem. This can resolve certain problems with software.
Hyper-Threading technology is disabled.
x Hyper-Threading technology is enabled.
The secure encryption method AES (Advanced Encryption
Standard) is not supported by hardware.
x The secure encryption method AES (Advanced Encryption
Standard) is supported by hardware. Encryption and decryp-
tion are accelerated.
Configure firmware
2.6 "Power" tab
23