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Chapter 7: BIOS
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
support 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 specifi ed 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 support
on a USB 3.0 connector specifi ed 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.
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