more than 1024 cylinders

how can i format/configure my SCSI HDD of 18.2GB to comply with the maximum allowed cylinders of WIN NT 4.0 of 1024?
Also, how can i brake the 8.4 GB barrier after i installed the WIN NT 4.0 to maximized the full size of my hard disk.
PCI SCSI CARD MOdel: ADAPTEC ASC29160N
SCSI Hard Disk Model: SEAGATE ST318406LW