## Display Device Driver Reference for OS/2

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### The XGA Driver

The S3 driver was derived from the 32-bit 8514/A presentation display driver for OS/2. This driver, was in turn, derived from the 32-bit XGA presentation display driver. Because the design of the driver was strongly influenced by the features offered by the XGA, and to some extent, the 8514 /A, it is necessary to understand certain aspects of the XGA and 8514/A presentation display drivers.