Welcome to our store! 1. Data Exchange: This ISA to USB card is used for non-real-time data exchange between a computer and an industrial computer or embedded system. 2. Widely Compatible: This ISA to USB card supports DOS versions from 3.x to 7.x. Suitable for Win 3.X, Win 95/98/ME, and other operating systems. 3. Less Than 5K: Only one CH375DOS.SYS driver file is needed, with a length of less than 5K, and only 4K required after loading. 4. Hot Swappable: This ISA to USB industrial card supports hot-swappable U disks, making it easy to use. The U disk can only be connected when needed. 5. Stable Performance: The driver program only runs when the application program reads and writes to the U disk, and does not affect the operation of the original DOS system and industrial control computer when idle. Item Type: ISA to USB Card Material: Printed Circuit Board Operating System: Suitable for Win 3.X, Win 95/98/ME, and Other Operating Systems 1 x ISA to USB Card 1 x Driver CD Customers are our top priority. If you find any issues with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best customer service.