Decklink Output from the 4th quad

I am using DeckLink Quad2 card and Blackmagic DeckLink SDK 11.2.. I am not able to get the fill or key out from the 4th Quad.. Not even from Signal Generator EXE (in any video format)... Is there any way out??
https://forum.blackmagicdesign.com/
https://forum.blackmagicdesign.com/viewtopic.php?f=12&t=98933