Mac Pro 1,1 3 display question

I have a 1,1 Mac Pro with the ATI 5770. I currently am running a 30 inch cinema display on the DVI output and a 19 inch LCD on one of the mini ports using the following adapter:
http://www.amazon.com/gp/product/B004071ZXA
I was curious,since these 19 inch monitors are 1280X1024 if I could possibly run 2 using the mini ports with these adapters? I read that dual link DVI adapters are required,but what if the 2 displays are smaller like these?

Mini DisplayPort is not just a different-shaped DVI. It is a completely different protocol. To use all three ports, you will need to take drastic measures and install "active" "powered" converters on BOTH Mini DisplayPorts. The adapter you referenced is NOT such a converter.
HT4279- Mac Pro (Early 2009), Mac Pro (Mid 2010): Supported display configurations
TS3477l- Mac Pro (Mid 2010), Mac Pro (Early 2009): Issues with three displays and multiple DVI, HDMI connections <Edited by Host>
HT3382- Apple Mini DisplayPort adapters: Frequently asked questions (FAQ)

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