Owners Manual

Table Of Contents
NOTE: Operating systems must be UEFI-compatible to be installed from the UEFI boot mode. DOS and 32-bit operating
systems do not support UEFI and can only be installed from the BIOS boot mode.
NOTE: For the latest information about supported operating systems, go to Dell.com/ossupport.
Changing boot order
About this task
You may have to change the boot order if you want to boot from a USB key or an optical drive. The following instructions may
vary if you have selected BIOS for Boot Mode.
NOTE: The NX Series systems support only BIOS mode. Do not change the boot mode to UEFI because the system will not
load the appliance OS when in UEFI mode.
Steps
1. On the System Setup Main Menu screen, click System BIOS > Boot Settings > UEFI/BIOS Boot Settings > UEFI/
BIOS Boot Sequence..
2. Click Boot Option Settings > BIOS > Boot Sequence.
3. Use the arrow keys to select a boot device, and use the plus (+) and minus (-) sign keys to move the device down or up in
the order.
4. Click Exit, and then click Yes to save the settings on exit.
Integrated Devices
You can use the Integrated Devices screen to view and configure the settings of all integrated devices including the video
controller, integrated RAID controller, and the USB ports.
Viewing Integrated Devices
To view the Integrated Devices screen, perform the following steps:
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.
Integrated Devices details
The Integrated Devices screen contains the following options.
NOTE:
The NX Series systems support only BIOS mode. Do not change the boot mode to UEFI because the system will not
load the appliance OS when in UEFI mode.
Option Description
User Accessible
USB Ports
Configures the user accessible USB ports. Selecting Only Back Ports On disables the front USB ports;
selecting All Ports Off disables all front and back USB ports; selecting All Ports Off (Dynamic)All
Ports On disables all front and back USB ports during POST and front ports can be enabled or disabled
dynamically by authorized user without resetting the system.
Pre-operating system management applications 35