 When the Apple IIGS computer was introduced in September 1986, Apple announced it would be making an upgrade kit for the IIe.The upgrade cost US $500, plus the trade-in of the user's existing Apple IIe motherboard and baseplate.Users would bring their Apple IIe machines into an authorized dealership, where the 65(C)02-based IIe motherboard and lower baseboard of the case were swapped for a 65C816-based Apple IIGS motherboard with a new baseboard.