我都參考原廠網頁的說明
http://www.nvidia.com/page/pg_20040406350192.html

Dual DVI Support
Able to drive the industry's largest and highest resolution flat-panel displays including 1900x1200 resolutionand the new Apple 30" cinema display. (Support for Apple 30” cinema display available on the GeForce 6800 Ultra 512MB only.)

但是較低階的6系列晶片，大部分就沒列出來DVI接頭最高解析度。
http://www.nvidia.com/page/geforce_6200.html