I can see the chipset from Intels B80, H87 and Z87 support simultaneously 3 display, but some H81 motherboard have all 3 ports: VGA, DVI and HDMI. The question is, can I use all 3 ports with 3 monitors simultaneously on these boards?

Intel chipsets specifications says only 2 on H81, but does ASRock do some magic? If I only can connect 2 monitors on the motherboard simultaneously, can I then use a graphicscard with ect. one DVI port and still get 3 monitors simultaneously?