Pinouts handbook
Pin layouts for hardware, connectors and adaptors. Includes description of what each pin does, and the direction of data flow.
TechFest
Created in order to make it easier to find good technical information on all topics relating to networking and computer technology.
Trish's Escape from Hardware Hell
Comprehensive, categorized computer hardware help site with many specific topic resources. Settings, specs, configs, reviews, tutorials, how to, faq, downloads and troubleshooting.