I am trying to prepare an Eagle in an 11/73. I have a Webster WQSMD controller and can now get into the firmware. (By the way it's the same as the WQESD controller!) I am unsure about some of the drive specification the controller needs to know about ;) Can anyone help on the following - the values in [] are what I am trying Cylinders [842] Heads [20] Full Sectors per track [46] Short sectors [0] Unit size is offered at 77367 When formating the drive it counts cylinders from 0 to 842 when writing headers and then says Format Complete. It then starts writing data and hangs with the repeating message Block : 46 sector not found Any thoughts? Kevin