How to get my bbb to work with my vga monitor?

Hi, I bought a HDMI/VGA cable in Adafruit (http://www.adafruit.com/products/1151#Technical_Details).

Which is the best way to get VGA to work? Hacking the cap? Hacking the VGA cable?

Regards.

Probably force 800x600 thru uEnv.txt

Regards,