{
  "added_at": "2026-11-08",
  "additional_evidence_urls": [
    "https://github.com/violentbunny/legion-gpu-rgb/blob/849d0111f5b35d3a6968e011aff820b8156f39c1/README.md"
  ],
  "category": "reconstruction-cases",
  "class": "hardware",
  "description_en": "legion-gpu-rgb reconstructs RGB lighting control for a Lenovo OEM RTX 5070 Ti by tracing its DDC-side NvAPI I2C transactions. It documents the controller's register writes and supplies a Python controller, an OpenRGB plugin and a patch that exposes the DDC bus to OpenRGB.",
  "description_zh": "legion-gpu-rgb 通过追踪 DDC 侧的 NvAPI I2C 事务，重建 Lenovo OEM RTX 5070 Ti 的 RGB 灯光控制。项目记录控制器寄存器写入，并提供 Python 控制工具、OpenRGB 插件及向 OpenRGB 暴露 DDC 总线的补丁。",
  "entry_url": "https://awesomerea.org/resources/legion-gpu-rgb-case/",
  "entry_url_zh": "https://awesomerea.org/zh/resources/legion-gpu-rgb-case/",
  "evidence_class": 2,
  "evidence_status": "observed",
  "evidence_url": "https://github.com/violentbunny/legion-gpu-rgb/blob/849d0111f5b35d3a6968e011aff820b8156f39c1/docs/protocol.md",
  "group": "cases",
  "id": "legion-gpu-rgb-case",
  "json_url": "https://awesomerea.org/resources/legion-gpu-rgb-case/record.json",
  "kind": "case-study",
  "markdown_url": "https://awesomerea.org/resources/legion-gpu-rgb-case/index.md",
  "markdown_url_zh": "https://awesomerea.org/zh/resources/legion-gpu-rgb-case/index.md",
  "name": "legion-gpu-rgb: reconstructing Lenovo GPU lighting control",
  "name_zh": "legion-gpu-rgb：重建 Lenovo 显卡灯光控制",
  "record_type": "resource",
  "relationship": "independent-reconstruction",
  "requirement_facets": [
    "prerequisites",
    "prerequisites",
    "limits",
    "license"
  ],
  "requirements": [
    "The documented hardware is the Lenovo OEM RTX 5070 Ti with PCI ID 10DE:2C05 and subsystem 17AA:C773; other cards are untested.",
    "The standalone tool requires Python 3 and an NVIDIA driver; the plugin targets OpenRGB 1.0rc3 or 1.0rc3.1, plugin API 4 and Qt 5.15.0.",
    "Only static effect 0x01 is implemented; the author reports that a colour update takes about 555 ms.",
    "GPL-2.0-or-later licence."
  ],
  "requirements_zh": [
    "已记录的硬件是 PCI ID 为 10DE:2C05、子系统 ID 为 17AA:C773 的 Lenovo OEM RTX 5070 Ti；其他显卡尚未测试。",
    "独立工具需要 Python 3 和 NVIDIA 驱动；插件针对 OpenRGB 1.0rc3 或 1.0rc3.1、插件 API 4 及 Qt 5.15.0。",
    "目前仅实现静态效果 0x01；作者报告一次颜色更新约需 555 毫秒。",
    "采用 GPL-2.0-or-later 许可证。"
  ],
  "scope": "unknown",
  "targets": [
    "protocol"
  ],
  "url": "https://github.com/violentbunny/legion-gpu-rgb",
  "verification": "source-reviewed",
  "verified_at": "2026-11-06"
}