The free fall sensor is here. Helpful video for Device Manager Access:   
Hi My machine is a Dell Latitude E6320 and I am a Windows 7 user. I have one unknown device showing in my device manager. I have tried to update the driver but windows does not recognize it as well as I am not able to uninstall / remove it. Help please. [IMAGE] [IMAGE] [IMAGE] [IMAGE] Thanks.
Unknown Device - on PCI Bus - ACPI\SMO8800 / ~SMO8800 - IRQ 0x00000017 (23)