Macintosh 128K 512K Chassis $35.00 This holds it all together Macintosh 128K 512K Chassis quantity Add to cart Add to Quote Continue Shopping Category: 128K to Plus Description Stamped Apple 805-0564. Internal chassis for the Macintosh 128K & 512K The CRT, PowerSweep/Analog board, floppy disk drive and case all screw onto this chassis.