Apparently Intel has had a Radiation Hardened Pentium for 14 years: http://www.sandia.gov/media/rhp.htm http://www.sandia.gov/media/rhp.htm Those satellites t

Apparently Intel has had a Radiation Hardened Pentium for 14 years: http://www.sandia.gov/media/rhp.htm http://www.sandia.gov/media/rhp.htm Those satellites that are going up with the old radiation hardened 386 are going to have to run a version of the linux kernel 3.7 or earlier. I suspect they are conservative with regards to their kernel choice anyways, so that should be okay.