Seagate ST15150N - Barracuda 4.3 GB Hard Drive Product Manual page 86

76 ST15150N/ND/W/WD/WC/DC Product Manual, Rev. D
Table 14. Single-ended cable pin assignments
(non-shielded connector) for ST15150N 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
Notes:
1. All odd pins except pin 25 are connected to ground. Pin 25 is left open.
Caution. Pin 25 must not be connected 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 preceding a signal name indicates that signal is active low.
Signal
2 GROUND
4 GROUND
6 ATN
8 GROUND
10 BSY
12 ACK
14 RST
16 MSG
18 SEL
20 C/D
22 REQ
24 IO
26
Pin number
28
30
32
34
36
38
40
42
44
46
48
50