Usb configuration – NEXCOM NDiS 111 User Manual

Page 34

Chapter 4: BIOS Setup

NDiS 111 User Manual

Limit CPUID Maximum
The CPUID instruction of some newer CPUs will return a value greater than 3.
The default is Disabled because this problem does not exist in the Windows series
operating systems. If you are using an operating system other than Windows,
this problem may occur. To avoid this problem, enable this field to limit the
return value to 3 or lesser than 3.

Intel

Virtualization Technology

When this field is set to Enabled, the VMM can utilize the additional
hardware capabilities provided by Vanderpool Technology

C-States
Enables or disables CPU C states.

Legacy USB Support
Enables Legacy USB support. Auto option disables legacy support if no USB
devices are connected. DISABLE option will keep USB devices available only
for EFI applications.

EHCI Hand-Off
This is a workaround for OSes without EHCI hand-off support. The EHCI
ownership change should be claimed by EHCI driver.

USB Configuration

Save & Exit

Advanced

Chipset

Boot

Security

Main

Enables Legacy USB

support. Auto option

disables legacy support

if no USB devices are

connected. DISABLE

option will keep USB

devices avaliable only for

EFI applications.

USB Configuration

USB Devices:

1 Keyboard

Legacy USB Support

EHCI Hand-Off

[Enabled]

[Disabled]

← →:

Select Screen

↑↓:

Select Item

Enter: Select

+-: Change Opt.

F1: General Help

F2: Previous Values

F3: Optimized Defaults

F4: Save & Exit

ESC: Exit