The PCM200 also features low voltage operation, a 32KB file buffer hot swap capability, and unmatched compatibility with brand name laptop PCs and a wide variety of popular OSes like Windows 98, 95, NT, XP and even Linux! The 32-bit CardBus PC Card's bus mastering feature allows your network adapter to transfer data without interrupting the PC's CPU microprocessor. This means the fastest data transfers available in a PC Card. Our 10/100 PC Cards are the ideal choice for notebook connectivity today!