Thanks - I'll have a go at moving the chips soon. It looks like this will upgrade my card from 1MB to a maximum of 2MB. However, I believe the 86C764 chip can support up to 4MB. Does anyone know whether (PCI) cards with the same chip (i.e. S3 Trio64 without suffix) or an earlier S3 chip exist with …

I have two S3 Trio 64 cards - one 86C764-P by "Number Nine" and one 86C764X by "Diamond Multimedia". Both have two HY514260B memory chips soldered in place. The former has two empty sockets, while on the latter these hold KM416C256BJ-6 chips. The latter card has a slight problem - am I likely to …

AFAIK, DosBox emulates an S3 Trio video card. Is this correct? If so, I assume the developers have some sort of documentation containing programming information for this card (register descriptions etc). Could anyone tell me where I could find such documentation? Thanks