AmigaOS 4 does use the MMU, but only to map pages to virtual addresses to for example help with memory fragmentation and swapping to disk. Here's some surprisi

AmigaOS 4 does use the MMU, but only to map pages to virtual addresses to for example help with memory fragmentation and swapping to disk. Here's some surprisingly thorough documentation on this: http://wiki.amigaos.net/wiki/Exec_Memory_Allocation http://wiki.amigaos.net/wiki/Exec_Memory_Allocation However, the MMU is not used for memory protection, not even on Amiga OS 4. Edit: OK, so not entirely true... See this for more: http://www.os4coding.net/forum/memory-protection-support http://www.os4coding.net/forum/memory-protection-support