Cheers, some pics would be helpful. As promised, the pictures of my card. It's a bit dirty but I'll ty to clean it as soon as I can. It uses the same chip model as suggested by @pshipkov, but with a different speed. It would be interesting to trace the traces on that card to find out whether the …

pado wrote on 2024-04-07, 21:17: As promised, the pictures of my card. It's a bit dirty but I'll try to clean it as soon as I can. It uses the same chip model as suggested by @pshipkov, but with a different speed. Does anyone know what the JP5 jumper does?

dJOS wrote on 2024-04-06, 22:24: Cheers, some pics would be helpful. As promised, the pictures of my card. It's a bit dirty but I'll try to clean it as soon as I can. It uses the same chip model as suggested by @pshipkov, but with a different speed.

There are memory configurations with six VRAM chips on the same videocard model: https://www.vgamuseum.info/index.php/cards/item/472-umc-um85c408af I don't know if you have noticed but there are pictures of two videocards with 6 memory chips on this page. Both have a uncommon combination: - in the …

Anyhoo, the chips in question are IBM 23F9187's - but I cant find any info on them including compatible replacements. They also have an uncommon pin count - I've never seen a ram chip with 26 pins before. Anyone have any ideas or better search skills that I do? Hi! I'm new to this forum and I'm …