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SUPERSERVER SYS-6026TT-H6RF/H6IBXRF/H6IBQRF User's Manual
North Bridge Confi guration
This feature allows the user to confi gure the settings for the Intel IOH chip.
Crystal Beach/DMA (Direct Memory Access)
This feature works with the Intel I/O AT (Acceleration Technology) to accelerate
the performance of TOE devices. (Note: A TOE device is a specialized, 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.
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.
IOH PCIE Max Payload Size
Some add-on cards perform faster with the coalesce feature, which limits the
payload size to 128 MB; while others, with a payload size of 256 MB which in-
hibits the coalesce feature. Please refer to your add-on card user guide for the
desired setting. The options are 256 MB and 128MB.
PCI-E Port 1 Link Select
This feature allows the user to confi gure the IOH link settings for the PCI-E Port
1. The options are X4X4X4X4, X4X4X8, X8X4X4, X8X8, and X16.
SouthBridge Confi guration
This feature allows the user to confi gure the settings for the Intel ICH South
Bridge chipset.
USB Functions
This feature allows the user to decide 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.
Legacy USB Support
Select Enabled to use Legacy USB devices. If this item is set to Auto, Legacy
USB support will be automatically enabled if a legacy USB device is installed on
the motherboard, and vise versa. The settings are Disabled, and Enabled.
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