-night
http://wiki.minix3.org/en/UsersGuide/RunningMinixOnVirtualBox
6.1. MINIX 3.1.5 install issue (w/o hardware acceleration)
1. You can enable hardware acceleration:
* Verify that your processor has the virtualization
extensions (VT-x, AMD-V)
* Enable hardware acceleration in your BIOS.
* Go to the Settings dialog for your VM image. Right-click
your image and click Settings.
* Click on System
* Click on the Acceleration tab.
* Check Enable VT-x/AMD-V.
2. If you aren't able to use hardware acceleration:
* Follow all the installation steps as above.
* Start your VM with this command: VBoxSDL --startvm minix --
norawr0 --norawr3.
* Replace your VM image's name for minix in the preceding
command.