Ok thanks folks.It's hard to pin down a vid card that is a no-brainer for this board.If possible I'm gonna get a 3dfx 4500 or 5500.All i've got for it at the moment is a pci ati 8 meg rage pro turbo, but it's a start.
If you've got access to usenet (Google works) there are plenty of old posts on the VA-503+, there is a newsgroup just for FIC boards (alt.comp.periphs.mainboard.fic).
I don't think that the 3dfx 4500 or 5500 are good choices. I seem to remember the Voodoo3 2000/3000 series and Savage 2000 cards getting positive mention.
You can try a TNT2 or ATI Rage128, something in that area, but this seems to be more of a crap-shoot. There are as many reports of failures as successes on the FIC newsgroup. There is probably a dependency on card manufacturer as well, one TNT2 card is not identical to another TNT2 card.
An internet buddy of mine once emailed to say that he had a TNT2 M64 32MB AGP running flawlessly on his VA-503+ so I excitedly jumped online and bought a Jaton B-32 3DForce (TNT2 M64 32MB AGP). This was when the TNT2 M64 had only been out for about six months.
I spent two weeks trying to get that card working at 2x AGP; format and clean install of Win98, a half-dozen different nVidia drivers, two or three different 4-in-1's, turbo and regular AGP mode, it never worked. I even duplicated the bios settings he was using....nadda.
The card worked great in a PII system I had, 3D acceleration all day long at AGP 2x, so the card wasn't 'defective', but it was a different card manufacturer than the one my friend had used. Maybe that was the problem, I don't know.
Then I used an ATI Rage128 (Xpert128) 16MB AGP on another system, and while Direct 3D worked fine, it crashed on OpenGL if AGP was set to 2x. I fiddled with that system for two days, and eventually had to leave it at AGP 1x.
At any rate, when I finally ditched my K6 system and went to a KT133A Socket A/Duron, I have never regretted it for a second. heh
Oh and tcsenter the link to the modded bios does not work.
Its a Geocities server, so you need to either drag the link into the URL box or copy/paste the link into the URL box and hit enter.