Specs: Amd phenom II X4 840T 2.9GHZ RAM 6B ATI RADEON HD 4200
More aboutarma dayz lowest settings
with that gfx unlikely. if it does run it will be at a slide show pace.
The minimum requirements fr ArmA II says that you need at least a 7800GT, which means your 4200 falls below that. Also, the game isn't properly optimized for PC. That means, it won't run pretty on even high end rigs.