Neither do the latest .9 and .10 series.Seagate (Barracuda 7 and 8 series) do not support AAM.
I found mine don't have it turned on; do you know of anyway of other than the Samsung floppy disk DOS utility to turn it on (Silent Drive linked above only does IDE).
you could try it with the cd image of hitachi feature tool found here:
http://www.hitachigst.com/hdd/support/download.htm#FeatureTool