Option Description
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. Congure 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.
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 eld. 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 conguration 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 eect 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 conguration
of PCIe cards installed in the specied 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 links
Integrated Devices
Viewing Integrated Devices
Serial Communication
You can use the Serial Communication screen to view the properties of the serial communication port.
Related links
Serial Communication details
System BIOS
Viewing Serial Communication
Viewing Serial Communication
To view the Serial Communication screen, perform the following steps:
1 Turn on, or restart your system.
2 Press F2 immediately after you see the following message:
F2 = System Setup
NOTE
: If your operating system begins to load before you press F2, wait for the system to nish booting, and then restart
your system and try again.
3 On the System Setup Main Menu screen, click System BIOS.
4 On the System BIOS screen, click Serial Communication.
Pre-operating system management applications
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