Table 10. Single-Ended Cable Pin Assignments - Seagate Elite 9 Product Manual

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Table 10. Single-ended cable pin assignments

(non-shielded connector) for ST410800N drives
Signal Pin number
–DB (0)
–DB (1)
–DB (2)
–DB (3)
–DB (4)
–DB (5)
–DB (6)
–DB (7)
–DB (P)
GROUND
GROUND
GROUND
TERMPWR
GROUND
Notes:
1. All odd pins except pin 25 are connected to ground. Pin 25 is left open.
Caution. Do not connect pin 25 to ground at the host end or the drive end
of the cable. If you accidentally plug the I/O connector in upside
down, terminator power on pin 26 will be shorted to ground.
2. The minus sign next to a signal indicates asserted state is the low voltage
of the two levels used for logic signals.
Elite 9 Product Manual, Rev. C
Signal
2 GROUND
4 –ATN
6 GROUND
8 –BSY
10 –ACK
12 –RST
14 –MSG
16 –SEL
18 –C/D
20 –REQ
22 –I/O
24
26
28
Pin number
30
32
34
36
38
40
42
44
46
48
50