Seagate BARRACUDA 4LP ST34571N/W/WC/WD/DC - Manual (Page 26)

24 Barracuda 4LP Installation Guide, Rev. B
[1] Do not mix “W” and “WD” model drives on the daisy chain.
[2] “X” means up to 15 or the maximum allowable number of devices on
the SCSI bus. See Table 4 and system documentation.
[3] External terminator.
Figure 3d. Multiple-drive connection to host adapter
Host
Adapter
PCB
Pin 1
(check your
adapter for Pin 1 location)
“W” Model
Drive [1]
“WD” Model
Drive [1]
SCSI ID 1
SCSI ID 0
SCSI ID 7
SCSI ID X
(or last drive)
[2]
Additional
SCSI devices
[3]