SBC PCI-6771series, User Manual

Page: 79 / 94

Appendix C Pin Assignments 79
C.9 Floppy Drive Connector (CN9)
Table C-9: Floppy drive connector
Pin Signal Pin Signal
1 GND 2 DENSITY SELECT*
3 GND 4 N/C
5 GND 6 DS1*
7 GND 8 INDEX*
9 GND 10 MOTOR 0*
11 GND 12 DRIVE SELECT 1*
13 GND 14 DRIVE SELECT 0*
15 GND 16 MOTOR 1*
17 GND 18 DIRECTION*
19 GND 20 STEP*
21 GND 22 WRITE DATA*
23 GND 24 WRITE GATE*
25 GND 26 TRACK 0*
27 GND 28 WRITE PROTECT*
29 GND 30 READ DATA*
31 GND 32 HEAD SELECT*
33 GND 34 DISK CHANGE*
* low active
33 31 .... 3 1
34 32 .... 4 2