Product Manual - Hawk 1 Family SCSI-2 (Volume 1), Rev. D
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Table 11.6.3-1c. Single ended 80 pin cable pin assignments (Non-shielded connector)
Signal Pin number Signal Pin number
+12 V 1 Ground 41
+12 V 2 Ground 42
+12 V 3 Ground 43
+12 V 4 Ground 44
NC 5 NC 45
NC 6 NC 46
NC 7 Ground 47
NC 8 Ground 48
NC 9 Ground 49
NC 10 Ground 50
-IO 11 Ground 51
-REQ 12 Ground 52
-CO 13 Ground 53
-SEL 14 Ground 54
-MSG 15 Ground 55
-RST 16 Ground 56
-ACK 17 Ground 57
-BSY 18 Ground 58
-ATN 19 Ground 59
-DBP 20 Ground 60
-DB7 21 Ground 61
-DB6 22 Ground 62
-DB5 23 Ground 63
-DB4 24 Ground 64
-DB3 25 Ground 65
-DB2 26 Ground 66
-DB1 27 Ground 67
-DB0 28 Ground 68
NC 29 Ground 69
NC 30 Ground 70
NC 31 Ground 71
NC 32 Ground 72
NC 33 Ground 73
+5 V 34 Ground 74
+5 V 35 Ground 75
+5 V 36 Ground 76
SYNC [1] 37 LEDC [2] 77
MTRON [3] 38 DLYDST [4] 78
SCSIA0 [5] 39 SCSIA1 [5] 79
SCSIA2 [5] 40 SCSIA3 [5] 80
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 Starrt 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] Binnary code on A3, A2, A1 and A0 asserted by host to set-up SCSI bus ID in drive.
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