SPARCstation 20 - Solaris 9. Will an SBus card which is Fast SCSI-2 provide a compatible interface for an external scsi drive that is Ultra SCSI? X1053A - Sun SBus Combined Fast SCSI-2 and Ethernet Adapter X5237A - 540-4177 - Sun Microsystems 18.2GB Ultra SCSI in 611 Unipak Thanks, Barry