LSI 8751D - Manual (Page 29)

Detailed Installation Procedure 2-13
Step 3. To connect more than one external SCSI device to the host
adapter, you must chain them together with shielded external
SCSI cables.
Figure 2.11 shows an example of these chained
connections.
Figure 2.11 Multiple External SCSI Devices Chained Together
Termination Enabled
Termination Disabled