The VAXstation 3100 is neither a QVSS or q QDSS. The QDSS ("Dragon") was used in the VAXstation-II GPX and in the color VAXstation 2000. The QVSS was used in the VAXstation-II and in the mono VAXstation 2000. I don't remember what the VAXstation-3100 had in it but it wasn't a QDSS.