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Start a trapper
- Specify the PCI vendor and device for which to query for video modes.
- Specify the name of the hardware DLL to load in order to query the display hardware.
- Specify the index of the PCI device in the system to be queried. This option is useful if multiple devices with identical PCI vendor and device IDs are present.
- Operate verbosely.
This driver detects video modes available for use by io-graphics. The devgt-iographics driver loads hardware-specific DLLs, and calls into the DLLs in order to obtain mode information. The mode information is sent to standard output, and consists of a list of commands that will launch the graphics subsystem (io-graphics). The devgt-iographics driver is typically launched by crttrap.