General Notes

Notes on the AGX Server : General Notes
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## 1. General Notes

This server currently supports the IIT AGX-016, AGX-015, AGX-014 and XGA-2 chipsets. The AGX chipset is based on XGA architecture, but is missing several features and differs on others. There's also untested support for the XGA-1 and AGX-010 chipsets. Pixel depths of 8bpp, 15bpp, 16bpp are generally supported. Unpacked 24bpp (RGBX 32bpp) is not yet stable enough to release.

RAMDACs currently supported are the Brooktree (BT481, BT482, and BT485) and AT&T (20C505) RAMDACs used by the Hercules Graphite series, and Sierra RAMDACs (15025 and 15021), and Generic VGA RAMDAC. Untested support has been added for the AT&T 20C490 series.

The current driver has a number of acceleration routines: solid and dashed zero-width lines (except AGX-014), bitblt fills, tiles, and stipples, solid arc and polygon fills, character glyphs and font cache for 8-bit characters.

Boards that have had some testing include ISA and VLB versions of most of the Hercules Graphite series, Spider Black Widow VLB and Black Widow Plus VLB, Boca Vortek VL, CatsEye/X XGA-2, and the PS/2-57 planar XGA-2. The Orchid Celsius is very similar to the Spider and Boca boards, except some batches may use one of the AT&T 20C490 series RAMDACs, instead of the Sierra 15025. There has also been a report of a generic board that uses a UMC RAMDAC that may be an AT&T 20C490 Clone.

Notes on the AGX Server : General Notes
Previous: Notes on the AGX Server
Next: Acknowledgments