Preemptive multitasking is unrelated to page faults. And the 68k handled page faults just fine starting from the 68010.
Space constraints were certainly limiting on the earlier models, but later ones were plenty capable. Apple itself shipped a fully multitasking, memory protected OS for various 68k Mac models.
By the late 80s, the only reason the Macintosh system was still single-tasking with no protected memory was compatibility with existing apps, and massive technical debt.
Space constraints were certainly limiting on the earlier models, but later ones were plenty capable. Apple itself shipped a fully multitasking, memory protected OS for various 68k Mac models.
By the late 80s, the only reason the Macintosh system was still single-tasking with no protected memory was compatibility with existing apps, and massive technical debt.