Vintage Trident based on TVGA9000i-1 chipset ISA VGA  Video Graphics Array videocard with 512K of VRAM. Works. Rare, comes with original factory manual and 5.25" software/driver's diskette. Supports interlaced and non-interlaced monitor modes. Works in 8-bit PC/XT machines, too! What you see is what is auctioned. Feel free to ask questions. Thank you for your consideration.