| Chipset(s) | Unknown |
| Graphics Memory | Unknown |
| 8bit Support: | Yes |
| 16bit Support: | No |
| 24bit Support: | No |
| Display Drivers | AmigaOS (using Gfxbase X Window System) Commodore Amiga UNIX (AMIX) X Drivers |
The GDA-1 is a full length Zorro II graphics card. The GDA-1 was specifically designed to be used with their Amiga version of the X Window System. A graphical environment server, popular on UNIX and UNIX-like operating systems, and is the only way this card can be used on AmigaOS. The card is also supported under Commodore Amiga UNIX, affectionately know as Amix.
| Resolution | Depth | Frequency |
|---|---|---|
| 640 x 480 | 8 | ? |
| 800 x 600 | 8 | ? |
| 1024 x 768 | 8 | ? |