Barracuda 9 Installation Guide, Rev. B

37

W/WD drives

Drive HDA (rear view, PCB facing downward)

Pin 1

J1 Auxiliary

Pin 1

 

 

 

68 Pin

Pin 12

SCSI I/O Connector

 

4P 3P 2P 1P

DC Power

Connector PCB

Pin 1

J1 Auxiliary

J1 Auxiliary

Pin 1

 

A3 A2 A1A0

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

A3 A2 A1A0

*Fault LED

*Vendor Unique

*Spindle Sync

*Activity LED

No Connection

Ground

+5V

*Pins 2, 4, 6, and 8 are driven low for 250 ms after PWR ON and reset to allow jumper-selectable SCSI ID.

Figure 10. Using the J1 auxiliary jumper block

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Image 39
Seagate ST19171WC, ST19171DC, ST19171N, ST19171WD manual Using the J1 auxiliary jumper block