WinDriver for Windows automates and simplifies the development of user mode Windows device drivers for PCI / CardBus / ISA / PCMCIA / PMC / PCI-X and CompactPCI. No DDK knowledge or kernel level programming required. Including powerful tools for hardware diagnostics, automatic driver code generation, and driver debugging, as well as intuitive hardware access API, WinDriver provides a complete solution for creating high performance drivers and custom hardware access applications, thereby enabling you to focus on your driver's added-value functionality, instead of on your operating system internals. WinDriver 6.21 Enhancements: PCI/ISA - Added an API to enable card cleanup handling upon an application's termination. Debugging - Simplified usage of console-mode WDDEBUG. Windows - Improved wdreg.exe installation utility.