Onboard Ps/2 Mouse (Irq 12); Onboard Usb; Usb Legacy Mode; Onboard Scsi - Acer 930 Bios Manual

Onboard PS/2 Mouse (IRQ 12)

This parameter enables or disables the onboard PS/2 mouse. When enabled,
it allows you to use the onboard PS/2 mouse assigned with IRQ12. When
disabled, it deactivates the mouse and makes IRQ12 available for use of
other devices.

Onboard USB

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 also deactivates the function.

USB LEGACY MODE

This function, when enabled, lets you use a USB keyboard in DOS
environment. Set this to Disabled to deactivate the USB keyboard
function in DOS environment.

Onboard SCSI

This parameter allows you to enable or disable the onboard SCSI controller.
BIOS Utility 2-27