Floppy Connectors; Table A-15 34-Position Floppy Connector Pin-Out - Silicon Graphics 1450 Maintenance Manual

Floppy Connectors

007-4276-001
Table A-15 shows the cable pinout assignments for the 34-position floppy connector.
Table A-15 34-Position Floppy Connector Pin-Out
Pin Signal
1 NC
3 NC
5 NC
7 GND
9 GND
11 GND
13 GND
15 GND
17 GND
19 GND
21 GND
23 GND
25 GND
27 GND
29 GND
31 GND
33 GND
Peripheral Adapter Boards and Connectors
Pin Signal
2 HD In/ HD Out/ Open
4 N/C
6 N/C
8 FD_INDEX_L
10 Drive select 0
12 Drive select 1
14 N/C
16 Motor on
18 Direction select
20 STEP
22 Write data
24 Write gate
26 Track 00
28 Write protect
30 Read data
32 Side one Select
34 Disk change/ready
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