Server Base System Architecture

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The Server Base System Architecture (SBSA) is a hardware system architecture for servers based on 64-bit ARM processors.[1][2][3][4]

It attempts to standardize PE features and key aspects of system architecture. It specified features which firmware, OS and hypervisors can rely on, to enable a suitably-built single OS image to run on all hardware compliant with this specification.

The architecture compliance suite to check if a system is compliant to the SBSA specification is available as open source software. It can be downloaded from

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