An engineered floor with a 2mm wear layer can be sanded and refinished approximately 1 to 2 times over the lifetime of the floor. *Approximate lifespan 30-40 years. An engineered floor with a 3mm wear layer can be sanded and refinished approximately 2 to 3 times over the lifetime of the floor. *Approximate lifespan 40-50 years. An engineered floor with a 4mm wear layer or thicker can be sanded and refinished approximately 3 to 5 times over the lifetime of the floor. *Approximate lifespan 50-100 years or more. *Lifespan depends on the quality of maintenance and the number of times the floor is sanded and refinished.
SM Bus Controller or System Management Controller is a Chipset on the Motherboard. Its main purpose is to monitor the board's voltage and temperature.
System Management Mode. System Management Mode (SMM, sometimes called ring -2) is an operating mode of x86 central processor units (CPUs) in which all normal execution, including the operating system, is suspended.