Acer 390 Series Service Manual page 135

Table 3-2 Startup Configuration Parameters
Parameter
Operating System
USB Function Support
BIOS Setup Information
Selects the operating system the computer is running.
Set this parameter to the appropriate OS to get maximum
performance.
Selects support for USB (Universal Serial Bus). Enable this
parameter if you are connecting USB device(s) to the
computer.
Description Setting
Windows 95/DOS
Windows NT
Disabled
Enabled
3-5