Intel MB820 User Manual
Page 25
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INSTALLATIONS
MB820 User’s Manual
21
FDD1: Floppy Drive Connector
Signal Name
Pin #
Pin #
Signal Name
Ground
1
2
RM/LC
Ground
3
4
No connect
Ground
5
6
No connect
Ground
7
8
Index
Ground
9
10
Motor enable 0
Ground
11
12
Drive select 1
Ground
13
14
Drive select 0
Ground
15
16
Motor enable 1
Ground
17
18
Direction
Ground
19
20
Step
Ground
21
22
Write data
Ground
23
24
Write gate
Ground
25
26
Track 00
Ground
27
28
Write protect
Ground
29
30
Read data
Ground
31
32
Side 1 select
FDD1
Ground
33
34
Diskette change
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