Super X8DT3, User Manual

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Chapter 4: AMI BIOS
4-9
DIMM Pitch
This is the physical space between each DIMM module. Each step is in
1/1000 of an inch. The default is [400] . Press "+" or "-" on your keyboard
to change this value.

North Bridge Confi guration
This feature allows the user to confi gure the settings for the Intel North Bridge
chip.
Crystal Beach/DMA (Direct Memory Access)
This feature works in conjunction with the Intel I/O AT (Acceleration Technology)
to accelerate the performance of TOE devices. ( Note : A TOE device is a special-
ized, dedicated processor that is installed on an add-on card or a network card to
handle some or all packet processing of this add-on card.) When this feature is set
to Enabled, it will enhance overall system performance by providing direct memory
access for data transferring. The options are Enabled and Disabled.
Crystal Beach/DCA (Direct Cache Access)
This feature works in conjunction with the Intel I/O AT (Acceleration Technology) to
accelerate the performance of the TOE device. When this feature set to Enabled, it
will enhance overall system performance by providing direct cache access for data
transferring. The options are Enabled and Disabled.
NUMA Support
Select Enabled to use the feature of Non-Uniform Memory Access to improve CPU
performance. The options are Enabled and Disabled.
Intel VT-d
Select Enabled to enable Intel's Virtualization Technology support for Direct I/O VT-d
by reporting the I/O device assignments to VMM through the DMAR ACPI Tables.
This feature offers fully-protected I/O resource-sharing across the Intel platforms,
providing the user with greater reliability, security and availability in networking and
data-sharing. The settings are Enabled and Disabled .

SouthBridge Confi guration
This feature allows the user to confi gure the settings for the Intel ICH South Bridge
chipset.
USB Functions
Select the number of onboard USB ports to be enabled. The Options are: Disabled,
2 USB ports, 4 USB ports, 6 USB ports, 8 Ports, 10 Ports and 12 USB ports .