A-8 Connector Pin Assignments
Diskette Drive Connector
Table A-12 provides pin assignments for the system board diskette drive connector.
Table A-12 Diskette Drive Pin Assignments
Pin
Signal Name
Pin
Signal Name
1
Ground
2
DENSEL
3
Ground
4
Reserved
5
Key
6
FDEDIN
7
Ground
8
Index-
9
Ground
10
Motor Enable A-
11
Ground
12
Drive Select B-
13
Ground
14
Drive Select A-
15
Ground
16
Motor Enable B-
17
MSEN1
18
DIR-
19
Ground
20
STEP-
21
Ground
22
Write Data-
23
Ground
24
Write Enable-
25
Ground
26
Track 00-
27
MSEN0
28
Write Protect-
29
Ground
30
Read Data-
31
Ground
32
Side 1 Select-
33
Ground
34
Diskette
Change-
- = Active low signal.
Summary of Contents for MT-2550-24874C
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