BIOS Advanced Menu USB Ports Options
The following table describes the BIOS Advanced Menu USB ports options.
| Setup Options | Options | Defaults | Description |
|---|---|---|---|
|
EHCI Hand-off |
Disabled/Enabled |
Disabled |
Enable or disable Enhanced Host Controller Interface (EHCI) hand-off support. This is a workaround for operating systems without EHCI hand-off support. The EHCI change of ownership should be claimed by the EHCI driver. |
|
Port 60/64 Emulation |
Disabled/Enabled |
Enabled |
Enable I/O port 60h/64h emulation support. Enable this setting for the complete USB keyboard legacy support for non-USB aware operating systems. |
|
Rear Port |
Disabled/Enabled |
Enabled |
Enable or disable USB Rear Port. |
|
Internal Port #0 |
Disabled/Enabled |
Enabled |
Enable or disable USB Internal Port 0. |