Chapter 6: UEFI BIOS
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PassThrough DMA
Use this feature to allow devices such as network cards to access the system memory
without using a processor. select enable to use the non-Isoch VT_D engine Pass
Through Direct Memory access (DMa) support. The options are
Enable
and Disable.
ATS
Use this feature to enable non-Isoch VT-d engine address Translation services (aTs)
support. aTs translates virtual addresses to physical addresses. The options are
Enable
and Disable.
Posted Interrupt
Use this feature to enable VT_D Posted Interrupt. The options are
Enable
and Disable.
Coherency Support (Non-Isoch)
Use this feature to maintain setting coherency between processors or other devices.
select enable for the non-Iscoh VT-d engine to pass through DMa to enhance system
performance. The options are
Enable
and Disable.
IIO-PCIE Express Global Options
The section allows the user to configure the following PCI-E global options:
PCE-E Hot Plug
select enable to support Hot-plugging for the selected PCI-e slots which will allow the user
to replace the devices installed in the slots without shutting down the system. The options
are
Enable
and Disabled.
PCI-E Completion Timeout (Global)
Use this item to select the PCI-e Completion Time-out settings. The options are
Yes
, no,
and Per-Port.
South Bridge
The following south Bridge information will display:
•
UsB Module Version
•
UsB Devices
