In computing , Machine Check Architecture ( MCA ) is an Intel mechanism in which the CPU reports hardware errors to the operating system .
Intel ‘s Pentium 4, Intel Xeon, P6 family processors, architecture, software, error detection, error detection, ECC errors, parity errors, cache errors, and translation lookaside buffer errors. It consists of a set of model-specific registers ( MSRs ) that are used to set up machine checking and additional MSRs. 
- Machine-check exception (MCE)
- High availability
- Reliability, availability and serviceability (computer hardware)
- Windows Hardware Error Architecture (WHEA)
- Jump up^ Intel 64 and IA-32 Architectures Software Developer’s Manual, Volume 3A . Intel Corporation. August 2007. pp. 14-1.