Macintosh SE FDHD Logic Board $150.00 M5011 Macintosh SE FDHD Logic Board quantity Add to cart Add to Quote Continue Shopping Category: Cards - Boards - CPU (Macintosh) Tags: Logicboard, Macintosh SE, Macintosh SE 30 Description Logic Board for the Macintosh SE FDHD (or Superdrive) computer. 820-0250, 6i61-0530. This board has the ROMs to support a 1.4MB floppy disk drive. There is corrosion on one terminal from a battery that was leaking. Comes with 2MB memory.