IBM SBC-659P Personal Computer User Manual


 
SBC-659P
28 SBC-659P Installation GuideBC-599/596
Floppy Drive Connector (CN7)
Floppy drive connector (CN7)
Pin Signal Pin Signal
1 GND 2 DENSITY SELECT
3 GND 4 N.C.
5 GND 6 N.C.
7 GND 8 INDEX
9 GND 10 MOTOR A
11 GND 12 DRIVE SELECT B
13 GND 14 DRIVE SELECT A
15 GND 16 MOTOR B
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 N.C. 30 READ DATA
31 GND 32 SIDE 1
33 N.C. 34 DISK CHANGE