Oracle Exadata Storage Server X7-2 EF, Service Manual

Page: 251 / 284

BIOS IO Menu Selections
Setup Options Options Defaults Description
Maximum Payload Auto/128 Bytes/256 Bytes/512
Bytes/1024 Bytes/2048
Bytes/4096 Bytes
Auto Set the Maximum Payload of the
PCI Express device or allow the
System BIOS to select the value.
Maximum Read Request Auto/128 Bytes/256 Bytes/512
Bytes/1024 Bytes/2048
Bytes/4096 Bytes
Auto Set the Maximum Read Request
of the PCI Express device or
allow the System BIOS to select
the value.
BIOS IO Menu IO Virtualization Options
The following table describes the 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 Support Disabled/Enabled Enabled Enable or disable Single Root
I/O Virtualization (SR-IOV) 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 Setup Utility Menu Options 251