Product manual

32 Barracuda 4LP Product Manual, Rev. D
Figure 7a. Barracuda 4LP family drive ID select header for models ā€œNā€
Notes for Figures 7a through 7e are in Section 8.1.1.
A
2
A
1
A
0
SCSI ID = 0 (default)
Jumper Plug
(enlarged to
show detail)
J6
Drive
Front
SCSI ID = 1
SCSI ID = 2
SCSI ID = 3
SCSI ID = 4
SCSI ID = 5
SCSI ID = 6
SCSI ID = 7
L
E
D
R
E
S
R
E
S
Reserved
Pin 1
Shipped with cover installed.
Do not install jumpers;
retain cover.
1197531
Drive Activity LED
Ground
[4]
[6]
Optional connections
to switching circuits in
host equipment to
establish drive ID. [4]
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.
+5V
Host
Alternate
Usage Plug:
Reserved
Pins
[3]
642
[4]