It does work with Jabo's D3D6 1.5, but theres other problems with it (gfx errors and pauses) that are not present in Jabo's D3D7 1.40), either way make sure the CF setting (rom settings) is set to 2 and no higher, if you go above 2 you'll get flickering and Hercules will look like hes on speed (way too fast to play).