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53 Appendix A
A.6 FDD connector (CN9)
Table A.6: FDD connector (CN9)
Pin Signal Pin Signal
1 Vcc(+5V) 14 Step
2 Index 15 GND
3 Vcc(+5V) 16 Write data
4 Drive select 17 GND
5 Vcc(+5V) 18 Write enable
6 Disk change 19 GND
7 NC 20 Track 0
8NC 21GND
9 NC 22 Write protect
10 Motor on 23 GND
11 NC 24 Read data
12 Direction 25 GND
13 Density select 26 Side 1 select