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NFB drivers are developed with the X Link Kit. The driver source files are set up by executing the xmkddx command, which takes the driver prefix as an argument. The driver developer only needs to code device-specific information for initialization to have a working graphics adapter driver. Modifying the appropriate routines enables the driver to utilize all the performance enhancements and other features of the graphic adapter hardware. See ``Writing NFB graphical adapter drivers'' for detailed information.
NFB drivers can be developed and tested on SVR5 and AIX 5L systems. For SCO OpenServer 5, NFB drivers should be developed on SVR5 systems and delivered to SCO for final testing on SCO OpenServer 5. The documentation includes information about differences between the NFB interfaces, the X Link Kit, and test facilities on the different platforms.