s3 trio agp card, just got it out of long term storage, would have been working when put away.

i am getting random brightly coloured dots on some screens.

They show up on the bios splash screen - ie the bit at the top with the bios logo, not the text-based part of the screen.

And on the menu in vinyl goddess [all over the place, not limited to same area as bios screen].

No issue on setup screens for soundcards, nor on the windows 3.1 desktop.

Tried re-inserting card, cleaning contacts. Now changed for a PCI graphics card [no problem there].

Motherboard worked fine with a matrox agp card - only been put away a few weeks, doubt it's that.

So a video card glitch - cannot see any broken solder round the big chips. A capacitor is bent to one side but still seems attached and doesn't seem bloated.

Bad memory locations on the video ram?