rms:

So anyway: the new Mobo says I MUST use a 1.5V video card.

You should study this chart
http://www.ati.com/support/faq/agpchart.html

It should answer your question. Basically you need to verify that
that card is AGP2.0

He wants to know if his *nvidia* TNT2 card is AGP 2X or 4X.
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Mac Cool