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Table 38.
Diskette Drive Connector (J7E1)
Pin
Signal
1
Ground
3
Ground
5
Key
7
Ground
9
Ground
11
Ground
13
Ground
15
Ground
17
Not connected
19
Ground
21
Ground
23
Ground
25
Ground
27
Not connected
29
Ground
31
Ground
33
Ground
Pin
Signal
2
DENSEL
4
Reserved
6
FDEDIN
8
FDINDX# (Index)
10
FDM00# (Motor Enable A)
12
Not connected
14
FDDS0# (Drive Select A)
16
Not connected
18
FDDIR# (Stepper Motor Direction)
20
FDSTEP# (Step Pulse)
22
FDWD# (Write Data)
24
FDWE# (Write Enable)
26
FDTRK0# (Track 0)
28
FDWPD# (Write Protect)
30
FDRDATA# (Read Data)
32
FDHEAD# (Side 1 Select)
34
DSKCHG# (Diskette Change)
Technical Reference
61
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