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BIOS Setup

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MS-91E2

3-13

BIOS Setup

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MS-91E2

Intel(R) VT for Directed I/O Conguration

Intel(R) VT-d

Intel Virtualization Technology for Directed I/O (Intel VT-d) provides the ca

pability to ensure improved isolation of I/O resources for greater reliability,

security, and availability.

Interrupt Remapping

Intel VT-d interrupt remapping allows for reductions in interrupt virtualiza

tion overhead for assigned devices. Interrupt requests specify a requester-

ID and interrupt-ID, and remap hardware transforms these requests to a

physical interrupt, using a software-programmed Interrupt Remap Table

structure in memory.

Coherency Support

This setting indicates if hardware access to the root, context, page-table

and interrupt-remap structures are coherent (snooped) or not.

ATS Support

This setting enables/disables the ATS (Address Translation Service) sup

port for the Intel IOMMU.

Pass-through DMA

This setting enables/disables the pass-through DMA function.

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Msi MS-91E2 Manual do Utilizador Página 47