Technical specifications
8.7 BIOS description
SIMATIC IPC427D
158 Operating Instructions, 05/2017, A5E31347215-AB
"Advanced CPU Control" submenu
AES When activated (Enabled), AES (Advanced Encryption Stand-
ard) secure encryption is supported by the hardware which
speeds up encryption and decryption.
Enables the processor performance modes (Enabled).
HT Support If possible, uses hyperthreading (Auto) or deactivates hyper-
Use XD Capability Allows you to prevent program execution in specific memory
areas (virus protection). The function eXecute Disable Bit (XD
bit) is only effective if it is supported by the operating system.
If it is activated (Enabled), the operating system can activate the
XD bit. If the entry is not activated (Disabled), the operating
system is unable to activate the XD bit function.
VT Support Enables or disables the virtualization functionality "Vanderpool
C-states Enables (Enabled) energy-saving processor modes for idle
Activates processor turbo mode (Enabled). Requires EMTTM.
Turbo Mode Level Select "Temperature optimized" if you are using the device in
higher ambient temperatures. As a result, the CPU power con-
sumption is reduced in favor of a higher permissible ambient
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