B-8 Connector Pin Assignments
DISKETTE DRIVE INTERFACE PIN ASSIGNMENTS
Table B-9 provides the pin assignments for the diskette drive interface connector.
Table B-9 Diskette Drive Connector Pin Assignments
Pin
Description
Pin
Description
1
Ground
2
DENSEL
3
Ground
4
Reserved
5
Key
6
FDEDIN
7
Ground
8
FDINDX# (Index)
9
Ground
10
FDM00# (Motor enable A)
11
Ground
12
FDDS1# (Drive select B)
13
Ground
14
FDDS0# (Drive select A)
15
Ground
16
FDM01# (Motor enable B)
17
MSEN1
18
FDDIR# (Stepper motor direction)
19
Ground
20
FDSTEP# (Step pulse)
21
Ground
22
FDWD# (Write data)
23
Ground
24
FDWE# (Write gate)
25
Ground
26
FDTRK0# (Track 0)
27
MSEN0
28
FDWPD# (Write protect)
29
Ground
30
FDRDATA (Read data)
31
Ground
32
FDHEAD# (Side 1 select)
33
Ground
34
DSKCHG# (Diskette change)
Summary of Contents for DIRECTION L - SERVICE
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