MINIX 3.2.1 can successfully power-up on the BeagleBoard-xM with a working frame-buffer and is "off to discover the world." While there is a frame-buffer, networking support doesn't yet work on MINIX. MINIX 3.2.1 has been advertised as a great fit for ARM since its small, BSD licensed, and reliable.
Besides the BeagleBoard, the BeagleBone does work with MINIX 3 on ARM but there you get no working frame-buffer but do have networking support and USB support is forthcoming. MINIX 3 developers are planning to eventually support more Texas Instruments ARM hardware and the AllWinner ARM SoCs.
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