MultiProcessor Specification
The MultiProcessor Specification () r the [open standard]] describing enhancements to both operating systems and firmware, which will allow them to work with x86-compatible processors in a [[Muconfiguration. MPS covers [[Advanced Programmable Interrupt Controllerarchitectures
Version 1.1 of the specification was released on202 Version 1.4 of the specification was released on July 1, 202 5, which added extended configuration tables to improve support for multiple PCI bus configurations and improve expandability.
] are known to support the Intel MPS. Windows NT are known to support MPS 1.1 and, through later Service Packs, also MP [ 22]] or higher are known to] are known to support MPS 1.1 onl are known to support MPS 1.4 only.
There is a utility called 'mptable' which can be used to examine the MPS table on motherboards.
Since most newer machines support Advanced Configuration and Power Interface ) which subsumes the MPS functionality, MPS has for the most part been supplanted by ACPI. MPS can still be useful on machines or with operating systems that do not support ACPI.
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