Lenovo PC 300PL Technical Information Manual for IBM PC300GL (Type 6563, 6564, - Page 50

Diskette drive connector, Table 24., Diskette drive connector pin assignments, Signal

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Diskette drive connector 2 1 Table 24. Diskette drive connector pin assignments Pin Signal I/O Pin 1 Drive 2 installed # I 18 2 High density O 19 select 3 Not connected N/A 20 4 Not connected N/A 21 5 Ground N/A 22 6 Data rate 0 N/A 23 7 Ground N/A 24 8 Index# I 25 9 Reserved N/A 26 10 Motor enable 0# O 27 11 Ground N/A 28 12 Drive select 1# O 29 13 Ground N/A 30 14 Drive select 0# O 31 15 Ground N/A 32 16 Motor enable 1# O 33 17 MSEN1 I 34 34 33 Signal Direction in# Ground I/O O N/A Step# O Ground N/A Write data # O Ground N/A Write enable# O Ground N/A Track0# I MSEN0 I Write protect# I Ground N/A Read data# I Ground N/A Head 1 select# O Data rate 1 N/A Diskette change# I Appendix A. Connector pin assignments 43

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Appendix A. Connector pin assignments
43
Diskette drive connector
Table 24.
Diskette drive connector pin assignments
Pin
Signal
I/O
Pin
Signal
I/O
1
Drive 2 installed #
I
18
Direction in#
O
2
High density
select
O
19
Ground
N/A
3
Not connected
N/A
20
Step#
O
4
Not connected
N/A
21
Ground
N/A
5
Ground
N/A
22
Write data #
O
6
Data rate 0
N/A
23
Ground
N/A
7
Ground
N/A
24
Write enable#
O
8
Index#
I
25
Ground
N/A
9
Reserved
N/A
26
Track0#
I
10
Motor enable 0#
O
27
MSEN0
I
11
Ground
N/A
28
Write protect#
I
12
Drive select 1#
O
29
Ground
N/A
13
Ground
N/A
30
Read data#
I
14
Drive select 0#
O
31
Ground
N/A
15
Ground
N/A
32
Head 1 select#
O
16
Motor enable 1#
O
33
Data rate 1
N/A
17
MSEN1
I
34
Diskette change#
I
1
2
34
33