sometimes even install the USB Drivers for Mouse and Keyboard to work.
There should be an option in the bios to avoid that if you're interested.
There should be something along the lines of "USB Legacy Support" if you set that to enabled, not auto this should pretend that the keyboard and mouse are ps/2 devices that would work without extra drivers.
Other possible names.
`
USB Legacy Support
USB Emulation
USB Device Legacy Support
USB BIOS Supported Devices
`
Does anyone else see a bunch of tiny faces along the top row?