Hi, the other ones already said it. You have to use special cards for running a multi screen NT4. There are several soulutions: two or more similar cards in combination (all Matrox, ELSA Gloria Synergy, Diamond FireGL1, Oxygen GVX1, aso.) or a single card with multiple outputs (Appian Jeronimo, Diamond FireGL3000, Matrox Productiva Multi, Matrox G400 multihead). Single card solutions are more expensive than multiple card solutions, but they provide better drivers which are optimized for multi screen operating. If money doesn't plays a role and the card is fast enough or has two dedicated graphic processors per output port the single card solution is the better one. Until now I have set up some multi screen configurations, several dual, one quad. And personally I prefer the Matrox multiple card solutions for low end range (simple PhotoShop works and MM Director). Concerning absolute high end range I would prefer Dual FireGL1 or dual Oxygen GVX1 for 3D apps. Single card solutions are for mid range segment, where you can use the special driver optimizations like Matrox's different resolutions for different monitors shipped with G400 dualhead (multiple cards just span a big screen like 2048*768 across two monitors, not having two real independent screens for operating). But for most applications, especially for *normal* users the multiple card solutions works as well. It's cheaper but takes one additional slot. So multi screen support is NOT like Win98. There you can even use cards from different manufacturers when they match to the Win98 compatibility list. NT4 doesn't support multi screening in this way. But wth W2K MS planned to integrate this feature from Win98. Kar-Wing Lau Ruske & P黨retmaier Multimedia GmbH
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