Thanks to Jason Lichti for informing me that Gravis has posted Windows 2000 drivers for the Gamepad Pro.

Supports the gameport versions of the following Gravis controllers: BlackHawk Digital Joystick, Xterminator Dual Control Joystick, Eliminator Precision Pro Joystick, GamePad Pro, and Xterminator Digital GamePad. The controllers can be configured in any game that offers DirectX support.

Download