


downward acceleration or falling) and using that sensor your laptop can take steps to protect itself by parking the hard drive heads or other measure. That free-fall sensor is an accelerometer which can detect movement (i.e. NOTE: The driver is for your Dell laptop’s ST Microelectronics Free Fall Sensor (accelerometer), it is what shows up as Unknown Device ACPI\SMO8800 🙂 More details about free fall sensors: ST Microelectronics Free Fall Sensor - Dell ACPI SMO8800 Driver (67469 downloads) Here are the download links for the driver that should solve your ACPI\SMO8800 Unknown Device issue : Now I have an unknown device ‘ACPI\SMO8800’ in device manager. Hello, I have a Dell laptop and I just reinstalled Windows 7 Ultimate 圆4 on it.
