First, choose your IIgs and load its ROMs

The IIgs can't switch on without the ROM chips Apple built into it. They are still under copyright, so they aren't included here: choose or drop your own ROM image files. They stay in this browser and are never sent anywhere. The browser remembers them, so you only need to do this once.

Machine Apple IIgs, ROM 3 (1989): the last and most compatible Apple IIgs, ROM 01 (1987): the first widely sold

• Apple IIgs ROM 3 Required

  The toolbox, Applesoft BASIC, the Monitor and the built-in firmware: 256 KB (262,144 bytes), chips 341-0737 and 341-0748 together.

  Often named apple2gs.rom or APPLE2GS.ROM3

• Apple IIgs ROM 01 Required

  The same for ROM 01: 128 KB (131,072 bytes), chip 342-0077-B.

  Often named apple2gs_rom01.rom or 342-0077-b

• Character ROM Required

  The characters of the text screens, with MouseText, chip 341-0170. 4 KB (4,096 bytes).

  Often named apple2gs.chr or 341-0170-a.chr

Pick several files at once, or a .zip containing them (a whole ROM collection works too). Dumps with their banks in another order are put right.

Release to load these ROMs