Supermicro X7DBR-8 User Manual page 72

X7DBR-8/X7DBR-i User's Manual
Adjacent Cache Line Prefetch
The CPU fetches the cache line for 64 bytes if this option is set to Disabled. The
CPU fetches both cache lines for 128 bytes as comprised if Enabled. The default
settings are Disabled for the Intel 5100 Series Processors and Enable for the
5000 Series Processors.
Hardware Prefetcher
Set to this option to enabled to enable the hardware components that are used in
conjunction with software programs to prefetch data in order to shorten execution
cycles and maximize data processing effi ciency. The options are Disabled and
Enabled.
PECI Absent Alarm
If set to Enabled, the PECI Absent Alarm will be activated if the function of PECI
(Platform Environment Control Interface) is not available for the onboard process(es)
or for the motherboard. The options are Disabled and Enabled.
Intel <R> Virtualization Technology (*Available when supported by
the CPU.)
Select Enabled to use the feature of Virtualization Technology to allow one platform
to run multiple operating systems and applications in independent partitions, creating
multiple "virtual" systems in one physical computer. The options are Enabled and
Disabled. (*Note: If there is any change to this setting, you will need to power off
and restart the system for the change to take effect.) Please refer to Intel's web
site for detailed information.
Intel EIST Support (*Available when supported by the CPU.)
Select Enabled to use the Enhanced Intel SpeedStep Technology and allows the
system to automatically adjust processor voltage and core frequency in an effort
to reduce power consumption and heat dissipation. The options are Enabled and
Disabled. Please refer to Intel's web site for detailed information.
I/O Device Confi guration
Access the submenu to make changes to the following settings.
KBC Clock Input
This setting allows you to set a clock frequency for the KBC. The options are
6MHz, 8MHz, 12MHz, and 16MHz.
Serial Port A
This setting allows you to decide how Serial Port A will be controlled. The options
are Enabled (user defi ned), Disabled, and Auto (BIOS- or OS- controlled).
Base I/O Address
This setting allows you to select the base I/O address for Serial Port A. The
options are 3F8, 2F8, 3E8, and 2E8.
(*Available when supported by the CPU.)
(*Available when supported by the CPU.)
(*Available when supported by the CPU.)
4-14