From the site:

> If you've got some old disks that have files you never did anything with, please consider sending them or a copy of them to me. That stuff is precious; and it is rare; and it is finite. That's what matters.

I'd suggest emailing him at jason@textfiles.com . He has the equipment to transfer most types of disk, and can also guide you through the process if you don't want to send the disks away.