During October 2025, F20200947 focused on stabilizing hardware initialization for the Amy Server U280 FPGA within the doctor-cluster-config repository. They addressed a critical IOMMU configuration issue by disabling IOMMU through a targeted Nix configuration change, ensuring the adjustment only affected the initialization path for the specific hardware. This system configuration work improved deployment reliability and reduced the risk of failures during workload start-up in high-density FPGA environments. By prioritizing minimal blast radius and compatibility with existing firmware and drivers, F20200947 contributed to lower support costs and more predictable deployments, demonstrating depth in Nix and system configuration for specialized hardware.