Biostar A75MH Версия 6.x [13/37] A75mh a55mh uefi bios manual

A75MH / A55MH UEFI BIOS Manual

Fan Ctrl Start Value

This item sets CPU FAN Start Speed Value.

Options: 50 (Default)

Fan Ctrl Sensitive

The bigger the numeral is, the higher the FAN speed is.

Options: 30 (Default)

USB Configuration

Legacy USB Support

This item determines if the BIOS should provide legacy support for USB devices

like the keyboard, mouse, and USB drive. This is a useful feature when using such

USB devices with operating systems that do not natively support USB (e.g.

Microsoft DOS or Windows NT).

Options: Enabled (Default) / Disabled / Auto

USB3.0 Support (Only for A75MH)

The item allows you to enable or disable USB3.0 (XHCI) Controller support.

Options: Enabled (Default) / Disabled

XHCI Hand-Off (Only for A75MH)

This is a workaround for OSes without XHCI hand-off support. The XHCI

ownership change should be claimed by XHCI driver.

Options: Disabled (Default) / Enabled