This message applies to the 3ware 9500S controller which has removable memory. This message will be sent if there is incompatible SODIMM memory connected to the controller. In this case, the controller is inoperable and cannot be used until a compatible SO-DIMM is put on the controller. For a list of SODIMMs compatible with the 9500S, see
http://www.3ware.com/KB/article.aspx?id=11748.