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The https://www.amd.com/sev webpage will be updated shortly with the new links. In the mean time... The v1.00 SVSM specification is available here: https://www.amd.com/content/dam/amd/en/documents/epyc-technical-docs/specifications/58019.pdf the v2.03 GHCB specification that adds support needed for running an SVSM is available here: https://www.amd.com/content/dam/amd/en/documents/epyc-technical-docs/specifications/56421.pdf Thanks, Tom