18Hawk 2XL Family Installation Guide, Rev. C

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W/WC drive

 

J6

 

 

 

 

 

Pin 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PCB

 

Reserved

 

A3 A2 A1A0

 

 

 

 

 

SCSI ID = 0

 

 

 

 

 

 

(default)

SCSI ID = 1

 

 

 

 

 

 

 

SCSI ID = 2

 

 

 

 

 

 

Drive

 

 

 

 

 

 

 

SCSI ID = 3

 

 

 

 

 

 

Front

SCSI ID = 4

 

 

 

 

 

 

 

SCSI ID = 5

 

 

 

 

 

 

 

SCSI ID = 6

 

 

 

 

 

 

 

SCSI ID = 7

 

 

 

 

 

 

 

SCSI ID = 8

 

 

 

 

 

 

PCB

 

 

 

 

 

 

Jumper Plug

SCSI ID = 9

 

 

 

 

 

 

(enlarged to

 

 

 

 

 

 

show detail)

 

 

 

 

 

 

 

SCSI ID = 10

 

 

 

 

 

 

 

SCSI ID = 11

 

 

 

 

 

 

 

SCSI ID = 12

 

 

 

 

 

 

 

SCSI ID = 13

 

 

 

 

 

 

 

SCSI ID = 14

 

 

 

 

 

 

Shipped with cover installed.

 

 

 

 

 

 

 

SCSI ID = 15

 

 

 

 

 

 

Do not install jumpers;

 

 

 

 

 

 

 

retain cover unless 20 pin

Host

Reserved Pins

 

 

 

 

 

plug is installed.

 

 

 

 

 

 

Alternate

11

9

7

5

3

1

 

Usage Plug:

 

 

8

6

4

2

 

 

 

 

Optional connections to

+5V

 

 

 

 

 

 

Ground

 

 

 

switching circuits in host

 

 

 

 

 

 

 

 

 

 

 

equipment to establish

Drive Activity LED

 

 

 

 

 

drive ID.

 

 

 

 

 

 

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.

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

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Seagate ST31055N/W/WC, ST31051N/W/WC, ST32151N/W/WC, ST32155N/W/WC manual WC drive