2405fpw/dual monitor problem

[kenberman]

I just set up my 2405fpw, along side a 17 inch 4:3 Samsung LCD.

The trouble is that I can only get the resolution of the 2405 up to a max of 1600x1200, and I also don't think my PC/video card knows this is a wide screen. I doubt that my video card can't display 1920x1200 (in fact, I tried setting this up as a custom resolution)...can anyone help.

here is my video card:

Nvidia GEForce FX5500
I have it set-up to Nvidia DualView
Memory Size: 256MB
Bios: Version 4.34.20.69.00