Chapter 4: AMI BIOS
4-17
USB Mass Storage Driver Support
Select Enabled for USB mass storage device support. The options are Disabled
and
Enabled
.
Port 60/64 Emulation
Select Enabled for I/O port 60h/64h emulation support, which in turn, will provide
complete legacy USB keyboard support for the operating systems that do not sup-
port legacy USB devices. The options are Disabled and
Enabled
.
USB 3.0 Support
Select Enabled for USB 3.0 support. The options are Smart Auto,
Auto
, Enabled,
Disabled and Manual.
EHCI1
Select Enabled to enable EHCI (Enhanced Host Controller Interface) support on
USB 2.0 connector #1 (-at least one USB 2.0 connector should be enabled for EHCI
support.) The options are Disabled and
Enabled
.
EHCI2
Select Enabled to enable EHCI (Enhanced Host Controller Interface) support on
USB 2.0 connector #2 (-at least one USB 2.0 connector should be enabled for EHCI
support.) The options are Disabled and
Enabled
.
XHCI
(Extensible Host Controller Interface)
Pre-Boot Drive
Select Enabled to enable XHCI (Extensible Host Controller Interface) support on a
pre-boot drive specified by the user. The options are Enabled and
Disabled
.
XHCI
(Extensible Host Controller Interface)
Idle L1
Select Enabled for XHCI (Extensible Host Controller Interface) Idle Level 1 sup-
port on a USB 3.0 connector specified by the user. The options are
Enabled
and
Disabled.
PCH DMI ASPM
Select Enabled to enable ASPM (Active State Power Management) support for a
PCH DMI drive. The options are
Disabled
and Enabled.
