Based on the Issue 4 schematic and the layout from photos of an issue 4 board.
Fit either LK1 or LK2 depending on the type of CPU Board.
Fit LK3 to select either 3.5" or 5.25" floppy drives.
Schematic
Floppy Disk Controller Board Schematic
Bill Of Materials
Floppy Disk Controller Board BOM
Blank PCB
Back to Replica Boards
Acorn Home Page
