you are talking about ADC. The latter links listed above are step by step instructions for flashing your video card.

What computer do you have, and what are the specs? You are just trying to get a video card with DVI and ADC onto your current system so that you can use a 23" Apple Display, correct?
"Fix it 'til it Breaks."

Jacob - EiC & Director of Technology
Mac Pro Quad 2.66 - 4GB RAM
160 GB SATA RAID 1 - 650 GB Storage
Quad 19" Widescreen LCDs
Accessorized to the Hilt