Table A-16 Floppy Adapter Board Power Connector; Table A-17 Ffc Connector - Silicon Graphics 1450 Maintenance Manual

A: Technical Reference
104
Table A-16 shows the cable pinout assignments for the floppy adapter board power
connector.
Floppy Adapter Board Power Connector
Table A-16
Pin Signal
1 +5 power
2 GND
3 GND
4 No connection
Table A-17 shows the cable pinout assignments for the FFC connector.
Table A-17 FFC connector
Pin Signal
1 +5 V
3 +5 V
5 +5 V
7 NC
9 HD OUT (HD AT HIGHT
LEVEL)
11 NC
13 NC
15 GND
17 GND
19 GND
21 NC
23 GND
25 GND
Pin Signal
2 INDEX
4 DRIVE SELECT
6 DISK CHANGE
8 READY
10 MOTOR ON
12 DIRECT SELECT
14 STEP
16 WRITE DATA
18 WRITE GATE
20 TRACK 00
22 WRITE PROTECT
24 READ DATA
26 SIDE ONE SELECT
007-4276-001