MSI MS-9A45, Manual, Page: 29 / 39

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MS-9A45
Option ROM Messages
This item is used to determine the display mode when an optional ROM is
initialized during POST. When set to [Force BIOS], the display mode used
by AMI BIOS is used. Select [Keep Current] if you want to use the display
mode of optional ROM.
CPU Configuration
EIST
EIST (Enhanced Intel SpeedStep Technology) allows the system to
dynamically adjust processor voltage and core frequency, which can
result in decreased average power consumption and decreased aver-
age heat production.
Hyper-Threading
The processor uses Hyper-Threading technology to increase transac-
tion rates and reduces end-user response times. The technology treats
the two cores inside the processor as two logical processors that can
execute instructions simultaneously. In this way, the system perfor-
mance is highly improved. If you disable the function, the processor will
use only one core to execute the instructions. Please disable this item if
your operating system doesn’t support HT Function, or unreliability and
instability may occur.
Execute Disable Bit
Intel’s Execute Disable Bit functionality can prevent certain classes of
malicious “buffer overflow” attacks when combined with a supporting
operating system. This functionality allows the processor to classify
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