The Filter CDM 513 then makes a NetWare Operating System name to the NPA_Config routine. The NPA_Config routine halts all communication to a specified mass storage adapter 108 on the NWPA 510. The following sections describe embodiments of the invention operating on the computers proven in FIGS. 2 and three underneath NetWare Operating System and Windows NT. As previously talked about, FIGS. 6, 7,