Versions

4.0.4898.5022	1.20%
4.0.4835.38224	2.41%
4.0.4820.40378	1.20%
4.0.4736.27484	3.61%
4.0.4714.313	1.20%
4.0.4693.29876	1.20%
4.0.4654.26058	7.23%
4.0.4610.37180	1.20%
3.5.4867.39746	1.20%
3.5.4862.20314	1.20%
3.5.4703.27318	1.20%
3.5.4703.27190	1.20%
3.5.4691.9573	1.20%
3.5.4671.21459	2.41%
3.5.4644.3484	1.20%
3.5.4616.37654	2.41%
3.5.4603.16793	14.46%
3.5.4601.19930	1.20%
3.5.4601.19557	1.20%
3.5.4568.37052	4.82%
3.5.4568.387	2.41%
3.5.4545.21045	2.41%
3.5.4478.37728	1.20%
3.5.4451.976	1.20%
3.5.4448.20439	1.20%
3.5.4426.29893	1.20%
3.5.4409.14645	1.20%
3.5.4402.7501	2.41%
3.5.4399.40495	1.20%
3.5.4356.39826	1.20%
3.5.4315.41349	1.20%
3.5.4314.374	1.20%
3.5.4290.37895	3.61%
3.5.4275.24206	1.20%
3.5.4268.23115	3.61%
3.5.4246.38121	1.20%
3.5.4203.18309	3.61%
3.5.4196.40662	1.20%
3.5.4161.41026	3.61%
3.5.4149.30806	2.41%
3.5.4134.15337	1.20%
3.5.4108.39449	1.20%
3.5.4085.39672	1.20%
3.5.4084.42017	1.20%
3.5.4076.21177	1.20%
3.5.4066.33398	1.20%
3.5.4030.42366	1.20%

apm.server.dll has 47 known versions, the most recent one is 4.0.4898.5022. The average file size is about 64.4 KB. This is a .NET Common Language Runtime (CLR) assembly.

APM Server module for AMD Catalyst is a device driver and utility software package for ATI line of video cards. The Catalyst driver program includes the ATI Catalyst Control Center for manipulating many of the hardware's functions, such as 3D settings, monitor controls and video options. CCC shows a small 3D preview and allows the user to see how changes to the graphics settings affects the quality of the rendered image.