Apologies for super necro-ing this as well, but I’ve made some discoveries with these notoriously difficult cards. They’re quite neat, but not all of that exciting, at least not as far as DOS gaming goes. The Orchid Celsius VLB driver has an installer that can provide these cards with a functional VESA TSR (including for the AGX-014, though your mileage may vary with the AGX-016 and other variants of the AGX-015), if your card does not have an appropriate BIOS. UniVBE 6.7 then seems to work just fine with these cards, after the TSR is loaded.
You can install the TSR from a menu, and even though the driver installation will warn that the Orchid Celsius isn’t present, you can proceed regardless of the warning.
The Windows 95 drivers seem to work okay, at least for my ISA-based AGX-014 Paradise Accelerator Pro. They do not provide 24-bit color modes, but seem to function otherwise quite fine and offer resolutions up to 1024x768 with 1mb of VRAM. I presume there is some acceleration provided by using these drivers; WinBench 4.0 yields a score of 5.03, which is about twice that of my Tseng ET4000AX-equipped Diamond SpeedStar Plus.
There are drivers for the Hercules Graphite Pro out there; that being said, they are specific to that card, and do not work on others. I have not tested Windows NT, but it seems as if Windows 3.X support for most of these cards is non-existent so long as the drivers are gone.
I don’t know how helpful this is, but I hope it helps someone out there. I’ve attached the Orchid Drivers, found on archive.org.
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