Dell DSS 2500 Owner's Manual page 45

Viewing Integrated Devices
To view the Integrated Devices 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 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 links
Integrated Devices
Integrated Devices details
Integrated Devices details
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 Enables or disables the USB ports. Selecting Only Back Ports On disables the front USB ports, selecting All Ports
USB 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.
Embedded NIC1
and NIC2
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 Selects the number of cycles PCI I/O can withhold snoop requests from the CPU, to allow time to complete its
Response own write to LLC. This setting can help improve performance on workloads where throughput and latency are
critical.
Embedded Video Enables or disables the Embedded Video Controller option. This option is set to Enabled by default.
Controller
Current State of Displays the current state of the embedded video controller. The Current State of Embedded Video Controller
Embedded Video option is a read-only field. If the Embedded Video Controller is the only display capability in the system (that is, no
Controller 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 Enables or disables the BIOS configuration of Single Root I/O Virtualization (SR-IOV) devices. This option is set to
Enable Disabled by default.
NOTE: Selecting Only Back Ports On and All Ports Off disables the USB management port and also
restricts access to iDRAC features.
NOTE: The Embedded NIC1 and NIC2 options are only available on systems that do not have Integrated
Network Card 1.
Pre-operating system management applications 45