Detonator 40 is the graphics driver for all NVIDIA Graphics Processing Units (GPUs). Detonator 40 supports 2D graphics, DirectX 8.1, OpenGL 1.4, nView Desktop Management software version 2.0, NVRotate. NVKeystone, Digital Vibrance Control and includes a new control panel and the CineFX emulator. Through NVIDIA’s Unified Driver Architecture, Detonator software supports all GPUs below in a single driver.
Here's other similar drivers that are different versions or releases for different operating systems: