Dell PowerEdge C6220 - Manual (Page 101)

Using the System Setup Program | 101
USB Configuration
Scroll to this item and press Enter to view the following screen:
Option Description
Embedded USB Controller
(Enabled default) Causes the BIOS to enable/disable the built-in USB
controller at system startup.
USB Port with BMC
(Enabled default) This feature allows the users to electrically disable /
enable the internal USB port which contacts to BMC.
External USB Port1
(Enabled default) This feature allows the users to electrically disable /
enable the external USB port 1.
External USB Port2
(Enabled default) This feature allows the users to electrically disable/
enable the external USB port 2.
Internal USB Connector
(Enabled default) This field disables/enables the internal USB port.