Figure 10. St19171W/Wd Option Select Jumper Connectors - Seagate ST19171W - Barracuda 9.1 GB Hard Drive Product Manual

Barracuda 9 Product Manual, Rev. C
Drive
Front
Jumper Plug
(enlarged to
show detail)
SCSI ID = 0 (default)
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
Reserved
Activity LED
Reserved
The shaded pins are shipped
with a cover installed. Do not
install jumpers on these pins.
Retain the cover unless you
install a 20-pin plug.
Figure 10. ST19171W/WD option select jumper connectors
Pin 1
J6 [4]
+5V (anode) [6]
–Active (cathode)
ST19171W/WD
Delay Motor Start
Enable Motor Start
Write Protect
Disable SCSI Parity
Reserved
ST19171W
Enable Terminator (default)
Pin 1
Term. Power from Drive (default)
Term. Power to SCSI Bus
Term. Power from SCSI Bus (position A)
Term. Power to SCSI Bus and Drive
ST19171WD
Term. Power to SCSI Bus (default)
Host adapter or other device provides
term. power to external terminator.
J2 Jumper
(enlarged to
show detail)
68 Pin
SCSI I/O Connector
J1
Pin 1 J1A [2][4]
Pin 12
SCSI Address A
0
SCSI Address A
1
SCSI Address A
2
SCSI Address A
3
No connection
+5V
Fault LED*
Vendor Unique*
Spindle Sync*
Activity LED*
Ground*
* These pins are driven low for
250 ms after PWR ON and
RESET to allow jumper
selectable SCSI ID as shown
to the right.
J2
R
T D M W P E
E S E P D S
Pin 1
J2
J6
SCSI I/O
Connector
Drive
Front
DC Power
Connector
Pin 1
4P 3P 2P
J1-DC Power
SCSI ID = 0
J1A Pin 1
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
37
Pin 1
Pin 2
T T
P P
2 1
[3]
J1
1P