LSI 320 - Manual (Page 21)

SCSI Device Cables 2-5
Copyright © 2002 by LSI Logic Corporation. All rights reserved.
2.2.2 External SCSI Cable
You can connect all external SCSI devices to the host adapter with
shielded cables. You will need one 68-pin very high density cable for
each device.
Figure 2.5 shows an example of an external SCSI cable.
Figure 2.5 SCSI Cable - 68-pin VHDCI