Yes it´s working for me with this one:HP DISPLAYPORT TO VGA ADAPTER(http://h10010.www1.hp.com/wwpc/me/en...1-3895844.html)
it supports up to 1920x1080.It´s not really passive ´cause it has a active chip inside.
Amd is talking about dp-dvi,for that you need a active adaptor
As i said ,this is...