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 finish 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
Integrated Devices
.
Related References
Related tasks
on page 42
Integrated Devices details
About this task
The
Integrated Devices
screen details are explained as follows:
Option
Description
USB 3.0 Setting
Enables or disables the USB 3.0 support. Enable this option only if your operating system supports USB 3.0. If you
disable this option, devices operate at USB 2.0 speed. USB 3.0 is enabled by default.
User Accessible
USB Ports
Enables or disables the USB ports. Selecting
Only Back Ports On
disables the front USB ports, selecting
All
Ports Off
disables all USB ports. The USB keyboard and mouse operate during boot process in certain operating
systems. After the boot process is complete, the USB keyboard and mouse do not work if the ports are disabled.
NOTE:
Selecting Only Back Ports On and All Ports Off disables the USB management port and also
restricts access to iDRAC features.
Internal USB Port
Enables or disables the internal USB port. This option is set to
Enabled
by default.
Integrated RAID
Controller
Enables or disables the integrated RAID controller. This option is set to
Enabled
by default.
Integrated
Network Card 1
Enables or disables the integrated network card.
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.
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.
Mezzanine Slot
Disablement
The Slot Disablement feature controls the configuration of mezzanine cards installed in the specified slots. Only
mezzanine card slots that are present on your system are available for control.
Related References
42
Pre-operating system management applications
