In order to determine if a certain GPU supports the vGPU functionality the driver looks at the PCI device ID. This identifier together with the PCI vendor ID is unique for each type of PCI device. In order to enable vGPU support we need to tell the driver that the PCI device ID of the installed GPU is one of the device IDs used by a vGPU capable GPU.
It’s the next generation of Error Code 43 bypass.