Seagate ST136403LW/LC ユーザーズマニュアル
Cheetah 36 Installation Guide, Rev. A
29
Additional connector on LW model drives
LW model drives have a connector located between the SCSI I/O
connector and the DC power connector to allow you to set the
SCSI ID and connect LEDs from the back of the drive. You are
not required to use this connector, but it’s available if you want to
use it. Refer to Figure 11 for pin assignments.
connector and the DC power connector to allow you to set the
SCSI ID and connect LEDs from the back of the drive. You are
not required to use this connector, but it’s available if you want to
use it. Refer to Figure 11 for pin assignments.
Figure 11. Alternate SCSI ID select and LED connection
SCSI ID = 0
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
J1-DC Power
68 Pin
SCSI I/O Connector
J1
Pin 1
Pin 1
J5/J1A [2][4]
J1A Pin 1
Pin 12
1P
2P
3P
4P
SCSI Address A0
SCSI Address A1
SCSI Address A2
SCSI Address A3
No connection
+5V
Fault LED*
Vendor Unique*
Reserved
Activity LED*
Ground
These pins are driven low for
250 ms after PWR ON or
RESET to allow jumper
selectable SCSI ID as shown
to the right.
250 ms after PWR ON or
RESET to allow jumper
selectable SCSI ID as shown
to the right.
*