Floppy Interface Connector
The on-board Floppy Interface connector (FLOPPY) is a 2x17-pin male header. This interface supports two 5.25" or 3.5"
floppy drives in any combination and also can be disabled if no floppy drives are present on the system.
Pin
Description
Pin
Description
2
RPM
1
Ground
4
No Connection
3
Ground
6
No Connection
5
Ground
8
Index
7
Ground
10
Motor 1
9
Ground
12
Drive 2
11
Ground
14
Drive 1
13
Ground
16
Motor 2
15
Ground
18
Direction
17
Ground
20
Step
19
Ground
22
Write Data
21
Ground
24
Write Enable
23
Ground
26
Track0
25
Ground
28
Write Protect
27
Ground
30
Read Data
29
Ground
32
Head Select
31
Ground
34
Disk Change
33
Ground
586MI System Board User's Manual Page 15
