Why preserve the NVRAM? Because it's required for such things as the RAM disk feature in the memory control panel. Correct me if I'm wrong.
Per the wiki for the as-yet-unreleased Qemu 68k version, it states:
Code: Select all
./qemu-img create -f raw pram.img 256b
...
-drive file=pram.img,format=raw,if=mtd \