As I know A1 and A2 use Vitesse
VSC7385XYV. A3 and A4 use Realtek 8366 and it seems to be SR, so do
DGL-4500 and DIR-855.
Although these green features do not cause so much power saving actually(several measurements on other brands are taken), i still want to know why A1 and A2 cannot get the certificate.
Can't it be done by "Software update"?
http://www.vitesse.com/products/download.php?fid=3962&number=VSC7385&action=do