If there is already a primary (boot) controller and you are now adding a Dell SCSI Array controller as a secondary controller:
Make sure it is properly installed in any slot between 1 and 8.
Do not use targets 0 or 7 for any SCSI device.
Enable the DSA 16-bit ROM BIOS. On some systems, this may be called the Option ROM Address.
If your disk did not come from Dell, use the Dell Disk Manager Setup to low-level format the hard disk before completing these steps: