Supermicro 6048R-E1CR36N, User Manual

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Chapter 7: BIOS
7-13 7-12
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UPER
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TORAGE
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YSTEM 6048R-E1CR36N User's Manual
II01 PORT 2A Link Speed
This item configures the link speed of a PCI-E port specified by the user. The
options are Gen 1 (Generation 1) (2.5 GT/s), Gen 2 (Generation 2) (5 GT/s),
and
Gen 3 (Generation 3) (8 GT/s) .
IOU1 (II01 PCIe Port 3)
This item configures the PCI-E port Bifuraction setting for a PCI-E port specified
by the user. The options are x4x4x4x4, x4x4x8, x8x4x4, x8x8, x16, and Auto .
II01 PORT 3A Link Speed
This item configures the link speed of a PCI-E port specified by the user. The
options are Gen 1 (Generation 1) (2.5 GT/s), Gen 2 (Generation 2) (5 GT/s),
and
Gen 3 (Generation 3) (8 GT/s) .
II01 PORT 3C Link Speed
This item configures the link speed of a PCI-E port specified by the user. The
options are Gen 1 (Generation 1) (2.5 GT/s), Gen 2 (Generation 2) (5 GT/s),
and
Gen 3 (Generation 3) (8 GT/s) .

IIO2 Configuration
IOU2 (II02 PCIe Port 1)
This item configures the PCI-E port Bifuraction setting for a PCI-E port specified
by the user. The options are x4x4, x8, and Auto .
II02 PORT 1A Link Speed
This item configures the link speed of a PCI-E port specified by the user. The
options are Gen 1 (Generation 1) (2.5 GT/s), Gen 2 (Generation 2) (5 GT/s),
and
Gen 3 (Generation 3) (8 GT/s) .
IOU0 (II02 PCIe Port 2)
This item configures the PCI-E port Bifuraction setting for a PCI-E port specified
by the user. The options are x4x4x4x4, x4x4x8, x8x4x4, x8x8, x16, and Auto .
II02 PORT 2A Link Speed
This item configures the link speed of a PCI-E port specified by the user. The
options are Gen 1 (Generation 1) (2.5 GT/s), Gen 2 (Generation 2) (5 GT/s),
and
Gen 3 (Generation 3) (8 GT/s) .
IOU1 (II02 PCIe Port 3)
This item configures the PCI-E port Bifuraction setting for a PCI-E port specified
by the user. The options are x4x4x4x4, x4x4x8, x8x4x4, x8x8, x16, and Auto .
II02 PORT 3A Link Speed
This item configures the link speed of a PCI-E port specified by the user. The
options are Gen 1 (Generation 1) (2.5 GT/s), Gen 2 (Generation 2) (5 GT/s),
and
Gen 3 (Generation 3) (8 GT/s) .
II02 PORT 3C Link Speed
This item configures the link speed of a PCI-E port specified by the user. The
options are Gen 1 (Generation 1) (2.5 GT/s), Gen 2 (Generation 2) (5 GT/s),
and
Gen 3 (Generation 3) (8 GT/s) .

IOAT (Intel® IO Acceleration) Configuration
Enable IOAT
Select Enable to enable Intel I/OAT (I/O Acceleration Technology) support, which
significantly reduces CPU overhead by leveraging CPU architectural improve -
ments 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. 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.