Asus Blitz Formula Blitz Formula user's manual E3151 English Edition - Page 98

BIOS EHCI Hand-off [Enabled], Port 64/60 Emulation [Disabled], Legacy USB Support [Auto]

Page 98 highlights

The following items appear only when you set USB Functions to [Enabled]. USB 2.0 Controller [Enabled] Allows you to enable or disable the USB 2.0 controller. Configuration options: [Enabled] [Disabled] USB 2.0 Controller Mode [HiSpeed] Allows you to set the USB 2.0 controller mode to HiSpeed (480 Mbps) or FullSpeed (12 Mbps). Configuration options: [FullSpeed] [HiSpeed] The USB 2.0 Controller Mode item appears only when you enable the USB 2.0 Controller. BIOS EHCI Hand-off [Enabled] Allows you to enable the support for operating systems without an EHCI hand‑off feature. Configuration options: [Disabled] [Enabled] Port 64/60 Emulation [Disabled] Allows you to enable or disable the I/O port 60h/64h emulation support. This item should be enabled for the complete USB keyboard legacy support for non-USB aware OSes. Configuration options: [Disabled] [Enabled] Legacy USB Support [Auto] Allows you to enable or disable the support for legacy USB devices. Setting to [Auto] allows the system to detect the presence of USB devices at startup. If detected, the USB controller legacy mode is enabled. If no USB device is detected, the legacy USB support is disabled. Configuration options: [Disabled] [Enabled] [Auto] 4-24 Chapter 4: BIOS setup

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4-24
Chapter 4: BIOS setup
The
USB 2.0 Controller Mode
item appears only when you enable the
USB
2.0 Controller
.
BIOS EHCI Hand-off [Enabled]
Allows you to enable the support for operating systems without an EHCI hand-off
feature. Configuration options: [Disabled] [Enabled]
Port 64/60 Emulation [Disabled]
Allows you to enable or disable the I/O port 60h/64h emulation support. This item
should be enabled for the complete USB keyboard legacy support for non-USB
aware OSes.
Configuration options: [Disabled] [Enabled]
Legacy USB Support [Auto]
Allows you to enable or disable the support for legacy USB devices. Setting to
[Auto] allows the system to detect the presence of USB devices at startup. If
detected, the USB controller legacy mode is enabled. If no USB device is detected,
the legacy USB support is disabled.
Configuration options: [Disabled] [Enabled] [Auto]
USB 2.0 Controller [Enabled]
Allows you to enable or disable the USB 2.0 controller.
Configuration options: [Enabled] [Disabled]
USB 2.0 Controller Mode [HiSpeed]
Allows you to set the USB 2.0 controller mode to HiSpeed (480 Mbps) or
FullSpeed (12 Mbps). Configuration options: [FullSpeed] [HiSpeed]
The following items appear only when you set
USB Functions
to [Enabled].