Option
Description
Integrated
Network Card 1
Enables or disables the integrated network card.
Embedded NIC1
and NIC2
NOTE:
The Embedded NIC1 and NIC2 options are only available on systems that do not have
Integrated Network Card 1
.
Enables or disables the Embedded NIC1 and NIC2 options. If set to
Disabled
, the NIC may still be
available for shared network access by the embedded management controller. The embedded NIC1
and NIC2 options are only available on systems that do not have Network Daughter Cards (NDCs).
The Embedded NIC1 and NIC2 option is mutually exclusive with the Integrated Network Card 1 option.
Configure the Embedded NIC1 and NIC2 option by using the NIC management utilities of the system.
I/OAT DMA
Engine
Enables or disables the I/OAT option. Enable only if the hardware and software support the feature.
I/O Snoop
Holdoff
Response
Selects the number of cycles PCI I/O can withhold snoop requests from the CPU, to allow time
to complete its own write to LLC. This setting can help improve performance on workloads where
throughput and latency are critical.
Embedded Video
Controller
Enables or disables the
Embedded Video Controller
option. This option is set to
Enabled
by default.
Current State of
Embedded Video
Controller
Displays the current state of the embedded video controller. The
Current State of Embedded Video
Controller
option is a read-only field. If the Embedded Video Controller is the only display capability in the
system (that is, no add-in graphics card is installed), then the Embedded Video Controller is automatically
used as the primary display even if the
Embedded Video Controller
setting is set to
Disabled
.
SR-IOV Global
Enable
Enables or disables the BIOS configuration of Single Root I/O Virtualization (SR-IOV) devices. This option
is set to
Disabled
by default.
OS Watchdog
Timer
If your system stops responding, this watchdog timer aids in the recovery of your operating system.
When this option is set to
Enabled
, the operating system initializes the timer. When this option is set to
Disabled
(the default), the timer does not have any effect on the system.
Memory Mapped
I/O above 4 GB
Enables or disables the support for PCIe devices that need large amounts of memory. This option is set to
Enabled
by default.
Slot Disablement
Enables or disables the available PCIe slots on your system. The slot disablement feature controls the
configuration of PCIe cards installed in the specified slot. Slots must be disabled only when the installed
peripheral card prevents booting into the operating system or causes delays in system startup. If the slot
is disabled, both the Option ROM and UEFI drivers are disabled.
Related references
Related tasks
on page 60
Serial Communication
You can use the
Serial Communication
screen to view the properties of the serial communication port.
Related references
on page 42
Related tasks
on page 62
Pre-operating system management applications
61
