The site with a fantastic set of stop codes notes, auhma.org has darkened their stop code page.
It used to be
http://aumha.org/win5/kbestop.htm
SO We have to dig it up from Archive.org
USE THIS
https://web.archive.org/web/20070316062423/http://aumha.org/win5/kbestop.htm
Here's the AUMHA site map
http://aumha.org/sitemap.htm
ALSO
Dell has a page on stop codes and using WinDbg herehttp://www.dell.com/support/troubleshooting/us/en/04/KCS/KcsArticles/ArticleView?c=us&l=en&s=bsdv&docid=DSN_338069