Quoted from mof:In attract mode the GI sometimes flickers with the rest of the controlled lamps -- I have no idea if that's expected or not.
fathom: does not
embryon: does not
centaur: flickers on/off in a constant beat during attract
fireball2: flickers here and there then goes solid - then back to flickering
-mof
GI flicker like that is expected in attract mode. First game with the GI Flasher board.