ADLINK cPCI-6615 - Manual (Page 78)

64 BIOS Setup
Execute-Disable Bit Capability
Intel’s Execute Disable Bit functionality can help prevent cer-
tain classes of malicious buffer overflow attacks when com-
bined with a supporting operating system. Execute Disable Bit
allows the processor to classify areas in memory where appli-
cation code can execute and where it cannot. When a mali-
cious worm attempts to insert code in the buffer, the processor
disables code execution, preventing damage and worm propa-
gation.
Hyper-Threading Technology
This item allow you to enable or disable Hyper-Threading Tech-
nology.
Intel® Speedstep™ Tech
Intel® SpeedStep Technology allows the system to dynamically
adjust processor voltage and core frequency, which can result
in decreased average power consumption and decreased
average heat production.
Intel® C-State Tech
This option allows you to enable or disable Intel® C-State func-
tion.
Enhanced C-State Tech
This option allows you to enable or disable the Enhanced C-
State function.