{
  "added_at": "2026-11-08",
  "additional_evidence_urls": [
    "https://github.com/Kyworn/gnr-smu/blob/def79d66d5431dfc4b6fc773f0b99fb99c8e378d/research/README.md"
  ],
  "category": "reconstruction-cases",
  "class": "hardware",
  "description_en": "GNR-SMU maps undocumented AMD Ryzen SMU power-management tables through hardware measurements, load experiments and Linux sensor comparisons. It publishes model-specific field maps and Linux telemetry tools, with guarded controls for Granite Ridge CPUs and read-only telemetry for the Vermeer 5600X.",
  "description_zh": "GNR-SMU 通过硬件测量、负载实验及 Linux 传感器对照，解析 AMD Ryzen SMU 未公开的电源管理表。项目发布分型号字段映射和 Linux 遥测工具，为 Granite Ridge 处理器提供受限控制，为 Vermeer 5600X 提供只读遥测。",
  "entry_url": "https://awesomerea.org/resources/gnr-smu-case/",
  "entry_url_zh": "https://awesomerea.org/zh/resources/gnr-smu-case/",
  "evidence_class": 2,
  "evidence_status": "observed",
  "evidence_url": "https://github.com/Kyworn/gnr-smu/blob/def79d66d5431dfc4b6fc773f0b99fb99c8e378d/README.md",
  "group": "cases",
  "id": "gnr-smu-case",
  "json_url": "https://awesomerea.org/resources/gnr-smu-case/record.json",
  "kind": "case-study",
  "markdown_url": "https://awesomerea.org/resources/gnr-smu-case/index.md",
  "markdown_url_zh": "https://awesomerea.org/zh/resources/gnr-smu-case/index.md",
  "name": "GNR-SMU: mapping Ryzen SMU telemetry and controls",
  "name_zh": "GNR-SMU：解析 Ryzen SMU 遥测与控制字段",
  "record_type": "resource",
  "relationship": "independent-reconstruction",
  "requirement_facets": [
    "prerequisites",
    "limits",
    "limits",
    "license"
  ],
  "requirements": [
    "Requires Linux, the ryzen_smu driver and a documented CPU profile: 9800X3D, 9950X3D or 5600X.",
    "SMU writes are limited to validated Granite Ridge profiles; the 5600X profile is read-only.",
    "Many PM-table fields remain unidentified; the author reports measuring the complete 9800X3D index map on one machine.",
    "MIT License."
  ],
  "requirements_zh": [
    "需要 Linux、ryzen_smu 驱动，以及已有文档记录的 9800X3D、9950X3D 或 5600X 处理器配置。",
    "SMU 写入仅限已验证的 Granite Ridge 配置；5600X 配置仅供读取。",
    "许多 PM 表字段的含义仍未确定；作者称，9800X3D 的完整索引表基于一台机器的测量。",
    "采用 MIT 许可证。"
  ],
  "scope": "unknown",
  "targets": [
    "firmware"
  ],
  "url": "https://github.com/Kyworn/gnr-smu",
  "verification": "source-reviewed",
  "verified_at": "2026-11-08"
}