Thanks to everyone for your help. I was able to boot OpenBSD and am now following the documentation through the rest of the install process.
This distro has amazingly detailed documentation! :) -- View this message in context: http://www.nabble.com/Booting-a-Thinkpad-T23-tf3525744.html#a9848729 Sent from the openbsd user - misc mailing list archive at Nabble.com.