MZ32-ar0 rev.1.0 manualI do not have such an option. But I have the option AMI graphic output protocol policy.
Advanced
OnBrd/Ext VGA Select Selects between onboard or external VGA support.
Options available: Auto, Onboard, External. Default setting is Onboard.
VGA is working. so your adapter is crap.BUT in the BMC it shows me video Output in the H5viewer! This even seems to work with no plugged in (video)cable whatsoever.