Seagate ST318436LW - Figure 7 A. Barracuda 18 XL Family Drive ID Select (W;LW;LC;LWV;LCV Models)

38 Barracuda 18XL Product Manual, Rev. A
Figure 7a. Barracuda 18XL family drive ID select (W/LW/LC/LWV/LCV models)
SCSI ID = 0 (default)
Jumper Plug
(enlarged to
show detail)
J6
Drive
Front
Pin 1
Reserved
A
2
A
1
A
0
Shipped with cover installed.
Do not install jumpers;
retain cover.
11 9 7 5 3 1
Drive Activity LED
+5V
[1]
Host
Alternate
Usage Plug:
Reserved
Pins
6842
A
L
E
D
R
E
S
3
SCSI ID = 1
SCSI ID = 2
SCSI ID = 3
SCSI ID = 4
SCSI ID = 5
SCSI ID = 6
SCSI ID = 7
SCSI ID = 8
SCSI ID = 9
SCSI ID = 10
SCSI ID = 11
SCSI ID = 12
SCSI ID = 13
SCSI ID = 14
SCSI ID = 15
Ground
Dashed area is optional host circuitry (external to the drive)
connected to host supplied optional usage plug.
Do not connect anything to pins 13-20.
[1] Voltage supplied by drive.