In Silent Hill 2, the main character wanders through a forest into the town of Silent Hill. Once in Silent Hill, if you enter a certain building, you're greeted with the following:
If you happen across a 404 on Battle.Net's wow forums, you're greeted with the following:
And admin here proposed naming our lab computers with the following scheme:
lab[lab #][computer a-z]
So... that way the first one would be lab1a.