Chipset, Usb configuration – NEXCOM EBC 355 User Manual

Page 55

EBC 355 User Manual

Chapter 3: BIOS Setup

Advanced

→←: Select Screen
↑↓: Select Item
Enter: Select
+/-: Change Opt.
F1: General Help
F2: Previous Values
F3: Optimized Defaults
F4: Save & Exit
ESC: Exit

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.

USB Configuration

USB Module Version

USB Devices:

1 Keyboard, 2 Hubs

Legacy USB Support

USB3.0 Support

XHCI Hand-off

EHCI Hand-off

8.10.27

[Enabled]

[Disabled]

Legacy USB Support
Enable Enables Legacy USB.

Auto

Disables support for Legacy when no USB devices are connected.

Disable Keeps USB devices available only for EFI applications.

USB3.0 Support
Enables or disables USB 3.0 controller support.

XHCI Hand-off and EHCI Hand-off
This is a workaround for OSs that does not support XHCI hand-off and EHCI

Hand-off. The XHCI and EHCI ownership change should be claimed by the

XHCI and EHCI driver respectively.

LVDS Resolution Select
Configures the resolution of the LVDS.

LVDS Dimming Select
Adjusts the brightness of the LVDS backlight.

USB Configuration

This section is used to configure the USB.

Chipset

This section gives you functions to configure the system based on the
specific features of the chipset. The chipset manages bus speeds and access
to system memory resources.

Save & Exit

Advanced

Chipset

Security

Boot

Main

→←: Select Screen
↑↓: Select Item
Enter: Select
+/-: Change Opt.
F1: General Help
F2: Previous Values
F3: Optimized Defaults
F4: Save & Exit
ESC: Exit

Change LVDS Resolution.

LVDS Resolution Select

LVDS Dimming Select

South Bridge

[1280x1024 24bit D]

[80%]

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