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Logs
  • 14:07, 25 December 2025 Starfrost talk contribs created page NV1 RMC (Created page with "Like all VGA compatible video controllers, the Nvidia NV1 has a Video BIOS. However, for legacy compatibility reasons the video BIOS has to run code in 16-bit real mode and is not aware of the bus (either VLB or PCI) that it is sittig on. By default, without special dispensations, the graphics card will not be able to write to the MMIO of the GPU, which is mapped as PCI BAR0. In NV3 this system was replaced by the much simpler [[NV3 RMA|Real-mode Access] subsystem....")