Seagate Elite 9 User Manual download pdf (Page 20)

Installation 15

Table 5. Unshielded single-ended I/O cabling

Signal Name Pin Number

DB- (0) 2

DB- (1) 4

DB- (2) 6

DB- (3) 8

DB- (4) 10

DB- (5) 12

DB- (6) 14

DB- (7) 16

DB- (P) 18

GROUND 20

GROUND 22

GROUND 24

TERMPWR 26

GROUND 28

GROUND 30

ATN- 32

GROUND 34

BSY- 36

ACK- 38

RST- 40

MSG- 42

SEL- 44

C/D- 46

REQ- 48

I/O- 50

Notes:

1. All odd pins except 25 must be connected to ground. Pin 25 is open.

2. A minus sign indicates active low.

1 2 ... 15 16 17 18 19 20 21 22 23 24 25 ... 48 49

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Seagate Elite 9 User Manual Page 20