Various posts on the Doomworld forums   If many posts were used, why is only one post listed?  As they say on Wikipedia, heaven forbid you should ever leave this project, radius, but...    Ryan W 19:22, 16 April 2007 (UTC)

OK, I added the other one I used yesterday. Too lazy to search/find others I've read over the years. radius 23:19, 16 April 2007 (UTC)

Ideally this article should note that, depending on the keyboard used, hardware limitations force/have forced some FPS players to adapt their configurations.  One recent thread is here, but as they note, it is certainly not the first such discussion (as persons who remember Solarian II may attest).    Ryan W 22:01, 22 February 2008 (UTC)

Interesting semi-technical discussion about using modern vs period hardware: [1]    Ryan W 21:05, 16 July 2009 (UTC)