Daniel Knight: Timeline of 680×0 Computers, 1980-1990. In: Low End Mac. 20. Dezember 2015, abgerufen am 24. August 2023 (englisch): „Macintosh IIx, September 1988 – There’s not a whole lot of difference between the Macintosh II and the IIx. Apple replaced the 16 MHz 68020 CPU with a 68030 CPU, giving the IIx built-in support for virtual memory. The Mac IIx was the first personal computer with a 68030 CPU.“
Mac IIx. In: Low End Mac. 19. September 1988, abgerufen am 24. August 2023 (englisch): „Breakthrough features included the DOS-compatible 1.4 MB SuperDrive (a.k.a. FDHD for floppy disk, high density) and virtual memory.“
