USB 1.1 controller driver
USB 2.0 is not supported, it works as an USB 1.0 controller.
Mac OS 10.0 - driver built-in with OS.
Mac OS 8.6 to 9.x, download driver:
USB 2.0 CardBus Dual
Dual-port USB 2.0 CardBus PC card includes a high quality switching power adapter to provide standard power output for each port