Pci Configuration - Dell PowerEdge C6145 Hardware Owner's Manual

Option
BIOS EHCI Hand-Off
(Enabled default)
Legacy USB1.1
Support
(Enabled default)

PCI Configuration

Scroll to this item and press Enter to view the following screen:
Option
NIC Function Support
(PXE default)
NIC1 Option ROM
Description
This is a workaround for operating systems without EHCI
hand-off support. The EHCI ownership change should
claim by EHCI driver.
HC Select these items to enable or disable the USB 1.1 HC.
Description
NIC for PXE or iSCSI Option ROM support.
Disables or enables Option ROM. The "NIC1 Option
Using the System Setup Program | 65