Usb Host Controller; Usb Legacy Mode; Smbus Interrupt (Irq) - Acer Altos 330 Series User Manual

USB Host Controller

This parameter lets you enable or disable the USB controller on board. When
enabled, it activates the USB function of the system. When disabled, it
deactivates the function.

USB Legacy Mode

This function, when enabled, lets you use a USB keyboard in DOS. Set this to
Disabled to deactivate the USB keyboard function in DOS.
SMBus Interrupt (IRQ9)
The System Management Bus (SMBus) is used to control and get information
from devices on a motherboard. The system management software uses SMBus
hardware and software interfaces to access the information about the devices
attached to the SMBus.
AcerAltos 330 Series User's Guide
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