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Product Manual - Hawk 2 Family SCSI-2 (Volume 1), Rev. B
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Table 11.6.3-1c. Single ended, 80 pin cable pin assignments (Non-shielded connector)
Signal
+12 V
+12 V
+12 V
+12 V
NC
NC
NC
NC
NC
NC
-IO
-REQ
-CO
-SEL
-MSG
-RST
-ACK
-BSY
-ATN
-DBP
-DB7
-DB6
-DB5
-DB4
-DB3
-DB2
-DB1
-DB0
NC
NC
NC
NC
NC
+5 V
+5 V
+5 V
SYNC
MTRON
SCSIAO
SCSIA2
Notes: Signals [1] thru [5] are used in place of installing jumpers and cables on option select connectors J2,
J5 and J6. See also notes following Figure 10.1-1.
[1] Synchronous spindle synchronizing signal, generated by either host or drive.
[2] Front panel LED signal; indicates drive activity for host front panel hard drive activity indicator.
[3] Asserted by host to enable Motor Start option (starts motor via SCSI bus command).
[4] Asserted by host to enable Delayed Motor Start option (motor starts at power on or after a delay of
12 seconds times drive ID). This and [3] above are mutually exclusive options.
[5] Binary code on A3, A2, A1 and A0 asserted by host to set-up SCSI bus ID in drive.
Pin number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
[1]
37
[3]
38
[5]
39
[5]
40
Signal
Pin number
12 V GND
41
12 V GND
42
12 V GND
43
12 V GND
44
NC
45
NC
46
GND
47
GND
48
GND
49
GND
50
GND
51
GND
52
GND
53
GND
54
GND
55
GND
56
GND
57
GND
58
GND
59
GND
60
GND
61
GND
62
GND
63
GND
64
GND
65
GND
66
GND
67
GND
68
GND
69
GND
70
GND
71
GND
72
GND
73
5 V GND
74
5 V GND
75
5 V GND
76
LEDC
[2]
77
DLYDST
[4]
78
SCSIA1
[5]
79
SCSIA3
[5]
80
59
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