Oracle X5-2L, Service Manual

Page: 287 / 324

BIOS IO Menu Selections
BIOS Setup Utility Menu Options 287
BIOS IO Menu IO Virtualization Options
The following table describes the BIOS IO Menu IO virtualization options.
TABLE 35
BIOS IO Menu IO Virtualization Options
Setup Options Options Defaults Description
VT-d Disabled/Enabled Enabled Enable or disable Intel
Virtualization Technology for
directed I/O (VT-d) by reporting
the I/O device assignment to
VMM through DMA remapping
reporting (DMAR) Advance
Configuration Power Interface
(ACPI) tables.
SR-IOV Disabled/Enabled Enabled Single Root I/O Virtualization
(SR-IOV) is used to configure
devices into multiple virtual
devices that can be used on
virtual OS installations. If
supported by the hardware
and set to enabled, all devices
within the system that are SR-
IOV capable are configured
to support SR-IOV and I/O
resources are allocated to the
device as normal. If set to
disabled, I/O resources are not
allocated to the device.
ARI Disabled/Enabled Enabled If Alternate Routing ID (ARI)
is supported by the hardware
and set to enabled, devices
are permitted to locate virtual
functions (VFs) in function
numbers 8 to 255 of the captured
bus number, instead of normal
function numbers 0 to 7.
BIOS IO Menu I/OAT Configuration Options
The following table describes the BIOS IO Menu I/OAT configuration options.
TABLE 36
BIOS IO Menu I/OAT Configuration Options
Setup Options Options Defaults Description
Intel I/OAT Disabled/Enabled Enabled Enable or disable Intel I/OAT.
DCA Support Disabled/Enabled Enabled Enable or disable direct cache
access (DCA) support.