B-8 Connector Pin Assignments
DISKETTE DRIVE INTERFACE CONNECTOR
Table Appendix B-9 provides the pin assignments for the diskette drive interface.
Table Appendix B-9 Diskette Drive Connector (J2) Pin Assignments
Ground Pin
Signal Pin
I/O
Signal Name
1
2
O
FDHDIN
3
4
—
Not used
5*
6
—
FDEDIN
7
8
—
–INDEX
9
10
—
–MOTEN1
11
12
O
–DS2
13
14
O
–DS1
15
16
O
–MOTEN2
17
18
O
–DIR
19
20
O
–STEP
21
22
O
–WRT DATA
23
24
O
–WRT EN GATE
25
26
I
–TRK0
27
28
I
–WRT PROT
29
30
I
–READ DATA
31
32
O
–HS SEL
33
34
I
–DSKT CHG
*Pin 5 is reserved for connector polarization.
