Last update: 20 Jul 2020   Here are BIOS settings that are known to work on D830 with nVidia Quadro NVS 135M/140M GPU and Intel Crestline GMA X3100 under Snow Leopard, Lion, Mountain Lion, Mavericks, Yosemite, El Capitan, Sierra, High Sierra and Mojave (models with nVidia graphics only for Mavericks 10.9 and above). These settings were tested and verified with BIOS A15/A16/A17. Onboard Devices: . Integrated NIC = enabled . Internal modem = enabled (or disabled) . External USB po