C.1 Floppy Drive Connector (CN1)
Table C-1: Floppy drive connector
Pin
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
* low active
68
PCA-6751/PCA-6751V User's Manual
33 31 .... 3 1
34 32 .... 4 2
Signal
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
Pin
Signal
2
DENSITY SELECT*
4
N/C
6
N/C
8
INDEX*
10
MOTOR 0*
12
DRIVE SELECT 1*
14
DRIVE SELECT 0*
16
MOTOR 1*
18
DIRECTION*
20
STEP*
22
WRITE DATA*
24
WRITE GATE*
26
TRACK 0*
28
WRITE PROTECT*
30
READ DATA*
32
HEAD SELECT*
34
DISK CHANGE*