Hawk 2XL Family Installation Guide, Rev. C

19

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W drives

68 Pin SCSI I/O

+5V

J1-Auxiliary

 

 

Drive

 

 

Connector Pin 1

Ground

Pin 1A

J1-DC Power

HDA

 

 

 

 

 

 

Rear

 

 

 

 

 

 

4P

3P2P

1P

J1

 

 

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

 

11 9

A3 A2 A1A0

Host Alternate

7

5

3

1

 

 

 

 

 

Usage Plug:

 

8

6

4

2

+5V

Ground

 

 

 

N.C.

 

 

 

 

 

PCB

Optional connections to switching circuits in host equipment to establish drive ID. Pins 2, 4, 6, and 8 are driven low for 250 ms after PWR ON and reset to allow jumper selectable SCSI ID.

Dashed area is optional host circuitry (external to the drive) connected to host supplied optional usage plug.

Figure 3c. Model "W" drive ID select and LED connection

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Seagate ST31051N/W/WC, ST31055N/W/WC, ST32151N/W/WC, ST32155N/W/WC manual Model W drive ID select and LED connection