There are a lot of resources for writing device drivers, from dedicated sites to books to source snippets, most can be easily found while doing beginning research and I could probably list a page of bookmarks, but here's one I hadn't stumbled on before that might be useful. Some information might be outdated though as it was written for Windows NT 3.1, but in general may still be relevant.

Writing Windows NT Device Drivers
http://www.driverlinx.com/Publications/NTDriver/ntdriver.htm

also a companion article
Writing Windows 95 Device Drivers
http://www.driverlinx.com/Publications/W95Driver/win95driver.htm


While I'm giving away secrets, here's a unique current site put together by the driver gurus:
The Independent Newsletter of Windows Driver Programming
http://www.wd-3.com/

Happy KMD trails,
Kayaker

Hey Kayaker,

Very nice this link:
http://www.wd-3.com/

Thanx