

A vendor can provide an optional device interface and support for custom IOCTLs to operate an ACPI device's functional device object FDO. Re, acpi\smo8800\1 Jump to solution Sorry for resurrecting this old thread but for anyone experiencing this issue the device in question is most likely an STMicroelectronics 3-Axis Digital Accelerometer also known as a Free Fall Sensor. Discussion Travelmate P645-M Unknown Device Manager. Available for PCs, PowerEdge servers, PowerVault, PS Series and SC Series Storage, and Dell EMC Networking. Looking it up, it said it's SL Microelectronics Free Fall Sensor. Download Now DELL M6600 ACPI SMO8800 DRIVER
