Supermicro SuperStorage Server 2028R-NR48N, User Manual

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7-12
SuperStorage Server
2028R-NR48N
IIO2 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 (IIO2 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 .
IIO2 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 (IIO2 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 .
IIO2 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).

IOAT Configuration
Enable IOAT
Select Enable to enable Intel I/OAT (I/O Acceleration Technology), which
significantly reduces 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 for relaxed ordering support, which will allow certain transactions
to be processed and completed prior to other transactions that have already
been queued by overriding the strict ordering rules of PCI processing. The
options are
Disable and Enable.