texture sizes

I started a new project a little while ago. When It came time to work on the texture manager I was havin the damndest time getting it to work. Come to find out my texture''s size was not a power of 2 and that was causing the createsurface call to fail. I was under the impression that most new video-cards could handle oddly sized textures, but I guess I was wrong. The question is: Is this true, can only textures with widths and heights that are powers of 2 be used? I have a TNT2, and this seems to be the case for my card. Maybe i''m just missing a setting or something. But if anyone could inform me on this I would be apreciative. Thx ~Zims~