External Devices - Windows Vista
Using a USB device
External Devices 1–3
Required USB software
Some USB devices may require additional software, which is 
usually included with the device. For more information about 
device-specific software, refer to the manufacturer’s instructions 
included with the device.
USB legacy support
USB legacy support (enabled by default) allows you to
■ Use a keyboard, mouse, or hub connected to a USB port on 
the computer during startup or in a non-Microsoft
® 
Windows
® application or utility.
■ Start or restart from an optional external MultiBay.
To enable or disable USB legacy support:
1. Open Computer Setup by turning on or restarting the 
computer, and then pressing
 f10 while the “F10 = ROM Based 
Setup” message is displayed in the lower-left corner of the 
screen.
2. Use the arrow keys to select System Configurations > 
Device Configurations, and then press 
enter.
3. Use the arrow keys to enable or disable USB legacy support, 
and then press 
f10.
4. To save your preferences and exit Computer Setup, use the 
arrow keys to select File > Save changes and exit. Then 
follow the instructions on the screen. 
Your preferences go into effect when the computer restarts.









