Table 13. Differential P Cable Pin Assignments - Seagate Elite 9 Product Manual

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Table 13. Differential P cable pin assignments

(non-shielded connector) for ST410800WD drives
+Signal name*
+DB (12)
+DB (13)
+DB (14)
+DB (15)
+DB (P1)
GROUND
+DB (0)
+DB (1)
+DB (2)
+DB (3)
+DB (4)
+DB (5)
+DB (6)
+DB (7)
+DB (P)
DIFFSENS
TERMPWR
TERMPWR
RESERVED
+ATN
GROUND
+BSY
+ACK
+RST
+MSG
+SEL
+C/D
+REQ
+I/O
GROUND
+DB (8)
+DB (9)
+DB (10)
+DB (11)
Notes:
1. The minus sign next to a signal name indicates asserted state is the low
voltage.
2. Eight-bit devices (non-wide) connected to the P cable must leave the
following signals open: –DB (12) –DB (13) –DB (14) –DB (15) –DB (P1)
–DB (8) –DB (9) –DB (10) –DB (11) +DB (12) +DB (13) +DB (14) +DB (15)
+DB (P1) +DB (8) +DB (9) +DB (10) +DB (11). Connect all other signals
as defined.
Elite 9 Product Manual, Rev. C
Pin number
1 35
2 36
3 37
4 38
5 39
6 40
7 41
8 42
9 43
10 44
11 45
12 46
13 47
14 48
15 49
16 50
17 51
18 52
19 53
20 54
21 55
22 56
23 57
24 58
25 59
26 60
27 61
28 62
29 63
30 64
31 65
32 66
33 67
34 68
–Signal name*
–DB (12)
–DB (13)
–DB (14)
–DB (15)
–DB (P1)
GROUND
–DB (0)
–DB (1)
–DB (2)
–DB (3)
–DB (4)
–DB (5)
–DB (6)
–DB (7)
–DB (P)
GROUND
TERMPWR
TERMPWR
RESERVED
–ATN
GROUND
–BSY
–ACK
–RST
–MSG
–SEL
–C/D
–REQ
–I/O
GROUND
–DB (8)
–DB (9)
–DB (10)
–DB 11)