Here's a pic of my PDP-11/23+ system with two RL02 drives. There is an empty space about six inches high below the second drive, as you can see. (In the rear is a power controller and a panel with 16 serial ports, although I don't have anything to hook up to them for now). http://i18.tinypic.com/4pc8sux.jpg I'm looking for either a blank panel to cover the hole, or maybe an interesting device I can fit there, if anyone has a suggestion? thanks Charles