Re: WD90C11 and AT&T Model 6300 video mode
Posted on 2021-12-03, 20:19
I've also got an "Olivetti" labled PVGA1 card (related to WD90C00) with Olivetti BIOS.. Maybe this will be useful later on ? Can you try setting mode 40h via int 10h on that card? I have a PVGA1A card in my 286-based AT&T (Olivetti) system and it works with 640x400x2 mode inits. I disassembled the …