Socket FM1 is a CPU socket for desktop computers used by AMD early A-series APUs ("Llano") processors and Llano-derived Athlon II processors. It was released in July 2011. Its direct successors are Socket FM2 (September 2012) and Socket FM2+ (January 2014), while Socket AM1 (January 2014) is targeting low-power SoCs.
Chipsets For available chipsets consult Fusion controller hubs (FCH).
Available APUs APU's using Socket FM1 are AMD's Lynx platform. Please consult List of AMD accelerated processing units for concrete product denominations.
Feature overview for AMD APUs The following table shows features of AMD's processors with 3D graphics, including APUs (see also: List of AMD processors with 3D graphics).
See also Family 12h microarchitecture Comparison of AMD chipsets#Fusion controller hubs (FCH) List of FM1 Processors
References
http://www.tomshardware.com/news/amd-llano-socket-fm1-sample,12549.html https://www.amd.com/us/products/desktop/processors/a-series/Pages/a-series-model-number-comparison.aspx