In computing, Machine Check Architecture (MCA) is an Intel and AMD mechanism in which the CPU reports hardware errors to the operating system.
Intel's P6 and Pentium 4 family processors, AMD's K7 and K8 family processors, as well as the Itanium architecture implement a machine check architecture that provides a mechanism for detecting and reporting hardware (machine) errors, such as: system bus errors, 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 banks of MSRs used for recording errors that are detected.[1]
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4. Basic Machine Architecture
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See also
- Machine-check exception (MCE)
- High availability (HA)
- Reliability, availability and serviceability (RAS)
- Windows Hardware Error Architecture (WHEA)
References
- ^ "Machine Check Architecture". Intel® 64 and IA-32 Architectures Software Developer's Manual Volume 3B: System Programming Guide, Part 2. Intel Corporation. November 2018.
External links
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This page was last edited on 21 October 2023, at 00:43