Supermicro X10SDD-F, Руководство пользователя

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Chapter 4: BIOS
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
IIO Configuration
EV DFX (Device Function On-Hide) Features
When this feature is set to Enable, the EV_DFX Lock Bits that are located on a processor
will always remain clear during electric tuning. The options are
Disable
and Enable.

IIO1 Configuration
CPU1 MICRO-LP PCI-E 3.0 X8
This feature allows the user to select PCI-E support for the device installed on the Micro
LP slot. The options are Auto, Gen 1 (2.5 GT/s), Gen 2 (5 GT/s), and
Gen 3 (8 GT/s) .
CPU1 SLOT1 PCI-E 3.0 X8
This feature allows the user to select PCI-E support for the device installed on SLOT1. The
options are Auto, Gen 1 (2.5 GT/s), Gen 2 (5 GT/s), and
Gen 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 improvements and freeing the
system resource for other tasks. The options are Disable and
Enable .
No Snoop
Select Enable to support no-snoop mode for each CB device. The options are Disable
and Enable.

Intel
®
VT for Directed 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.
ACS Control
Use this feature to program Access Control Services (ACS) to the PCI-E Root Port Bridges.
The options are
Enable and Disable.