First you need dummy plug for your card.
http://www.overclock.net/t/384733/the-30-second-dummy-plugInstall the graphics card, boot up the operating system with your monito plugged into the GFX card, install amd driver.
Jump into UEFI aka bios, set graphics to IGP, not auto.
Shutdown, install the dummy plug.
Boot up the system, install your Intel graphics driver, reboot.
You should be set to mine off your AMD card, while being on the IGP for your monitor.
Yes, this can be done, I am and have been doing it for a while on my I3-2100 and two 5850's.