First of all that's not 1985, it's actually about 2001 and the setup was in Maximum PC.
http://www.wideview.it/steve/
It's running off of multiple PCs not just multiple monitors, and it's a software solution, that works alongside M$ FS' built in software. It's LAN-tastic.
Glad to see you think they had cheap and plentiful PC-DVD ROMs in 1985.
Heck WORM cartridge drives were rare then.