Tom's Hardware learned that candidates would oversee machines running 166 MHz processors with 8 MB of RAM, which are used to display important technical train data to...
This, I had multiple old machines with these kinds of specs, I put Slackware on them, dropped in an ethernet card (or two), and used them for all sorts of things, iptables firewall/router, email server, network storage, irc server, etc. It breathed new life into seriously outdated hardware.