Diskette Drive Interface Pin Assignments - NEC POWERMATE P60D Service Manual

Diskette Drive Interface Pin Assignments

Table Appendix A-9 provides the pin assignments for the diskette drive interface.
Table Appendix A-9 Diskette Drive Connector (P13) Pin Assignments
Ground Pin
1
3
5*
7
9
11
13
15
17
19
21
23
25
27
29
31
33
*Pin 5 is reserved for connector polarization.
Signal Pin I/O
2 O
4 —
6 —
8 —
10 —
12 O
14 O
16 O
18 O
20 O
22 O
24 O
26 I
28 I
30 I
32 O
34 I
Connector Pin Assignments
Signal Name
FDHDIN
Not used
FDEDIN
–INDEX
–MOTEN1
–DS2
–DS1
–MOTEN2
–DIR
–STEP
–WRT DATA
–WRT EN GATE
–TRK0
–WRT PROT
–READ DATA
–HS SEL
–DSKT CHG
A-9