WinDriver for OS/2 is a PCI / ISA device driver development tool for the OS/2 operating system. WinDriver for OS/2 (based on the successful WinDriver toolkit), dramatically simplifies PCI and ISA (including parallel and serial ports) driver writing in OS/2. WinDriver saves the developer the need to learn the OS/2 Core OS API and enables fast access to ANY PCI/cPCI, ISA/EISA and enables fast access to ANY PCI/cPCI, ISA/EISA and ISA PnP cards directly user mode application.