Basically, at any of the settings of the shadows above “Low” what happens is that the surrounding area that’s suppose to use dynamic shadow mapping (guessing here), appears completely without shadows.
Here’s a video that illustrates the problem on Ultra shadows:
http://www.youtube.com/watch?v=PnU3DrVh2_8
My basic specs are:
Operating System: Windows 7 Professional 64-bit (6.1, Build 7601)
Processor: Intel® Core™ i5 CPU M 480 @ 2.67GHz (4 CPUs), ~2.7GHz
Memory: 8172MB RAM (8Gb RAM)
DirectX Version: DirectX 11
Graphics Card: ATI Mobility Radeon HD 5870 (1Gb RAM)
Are ye laughin’ yet?