Apple Computer Firmware ROM Replacement Chips for Apple II II+ IIc IIe IIgs III
Not all IIe's are "enhanced". APPLE IIgs . APPLE IIgs - 341-0737 - FC-FD ROM3 - 27C1001. APPLE IIgs - 341-0748 - FF-FE ROM3 - 27C1001. APPLE IIgs - 342-0077 B - ROM1 - 27C1001. See the following pages for more info.