Castalia GOS

Hardware support

Tiers are honest: A = certified before every release, B = supported and regularly tested, C = community-maintained, D = known not to work. The full matrix — GPUs, controllers, Wi-Fi, wheels, capture cards — lives in docs/12.

Device Tier Notes
Steam Deck (LCD/OLED) A Primary handheld target via HHD
ASUS ROG Ally / Ally X A TDP, gyro, RGB via HHD
Lenovo Legion Go / Go S A Including the 120 Hz VRR panels
AMD desktops (RDNA2/3/4) A The reference platform — Mesa/RADV
Intel desktops/laptops (Xe/Arc) B Arc needs Resizable BAR enabled
NVIDIA desktops (RTX 50) B castalia-nvidia-open — the open kernel modules, the only ones that support Blackwell
NVIDIA desktops (RTX 40 and older) B castalia-nvidia — the closed driver
GPD Win 4 B Portrait-native panel quirk handled
AYANEO 2 / 2S B/C DMI varies by batch — reports welcome
MSI Claw A1M C First Intel handheld; ANV path, community
OneXPlayer X1 Mini / AYN Loki C Community-supported via HHD

Tested Castalia on your hardware? File a hardware report — every report moves a device up the matrix.