Mobrien,
PHPMYADMIN is a control panel for MYSQL, and php is just a scripting Type which the control panel works on, YOU NEED MYSQL installed
http://www.mysql.net
I suggest you visit this Site
http://www.trustabyss.com
go to the tutorials, and follow the Installation steps with pictures, it should be pretty basic, skip what you have done, double check, if you need any more help after you exhausted this site, please feel free to post here again, as im sortve busy at the moment doing specific stuff, take a look, also welcome to the forum..
idiosyncrasy,
go to the config inside the MYSQL Bin, delete the login/password set there, or set up your own manually.