ref: 00328b5759f66400aed0e71ccc687250113e61ee
parent: 9b0efa4176aa9437160c7970f3637e33f8196fce
author: cinap_lenrek <cinap_lenrek@felloff.net>
date: Sun Jun 28 14:22:36 EDT 2015
pc, pc64: toggle bit 2 in port 0x61 to reset and enable PCI SERR# nmi's, print nmi status