After plugging the disks in, do a: drvconfig disks (for SCSI disks) tapes (for tape drive) ports (for serial ports) devlinks Also, if you forgot to power on your external cdrom before turing your server on, and it shows up in "sysdef" as: (driver not attached) do a: drvconfig cdrom It should now appear in a "sysdef". -Contributed by Arshad Khan