Supermicro SuperServer 7048A-T Manuel d'utilisateur télécharger pdf (Page 93)

Chapter 7: BIOS

7-11

IIO2 Port 2A Link Speed

Use this item to congure the link speed of a PCI-E device installed on the PCI-

E slot specied by the user. The options are Gen1 (2.5 GT/s), Gen2 (5 GT/s),

Gen3 (8 GT/s), and Auto.

IIO2 Port 3C Link Speed

Use this item to congure the link speed of a PCI-E device installed on the PCI-

E slot specied by the user. The options are Gen1 (2.5 GT/s), Gen2 (5 GT/s),

Gen3 (8 GT/s), and Auto.

IOAT (Intel® IO Acceleration) Conguration

Enable IOAT

Select Enable to enable Intel I/OAT (I/O Acceleration Technology) support,

which will signicantly reduce CPU overhead by leveraging CPU architectural

improvements and freeing the system resource for other tasks. The options are

Enable and Disable.

No Snoop

Select Enable to support no-snoop mode for each CB device. The options are

Disable and Enable.

Relaxed Ordering

Select Enable to enable Relaxed Ordering support which will allow certain

transactions to violate the strict-ordering rules of PCI bus for a transaction to be

completed prior to other transactions that have already been enqueued earlier.

The options are Disable and Enable.

 Intel VT for Directed I/O (VT-d)

Intel VT for Direct I/O (VT-d)

Intel

VT for Directed I/O (VT-d)

Select Enable to use Intel Virtualization Technology support for Direct I/O VT-d

support by reporting the I/O device assignments to the VMM (Virtual Machine

Monitor) through the DMAR ACPI Tables. This feature offers fully-protected I/O

resource sharing across Intel platforms, providing greater reliability, security and

availability in networking and data-sharing. The options are Enable and Disable.

Interrupt Remapping

Select Enable for Interrupt Remapping support to enhance system performance.

The options are Enable and Disable.

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Supermicro SuperServer 7048A-T Manuel d'utilisateur Page 93