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182 Appendix C: Technical reference
Pin
Signal
42
+5VM
43
GND
44
/TYPE
Internal connector of the parallel interface
The internal connector of the parallel interface is more specifically a 26-pin, IDC
male connector. The pinout of this connector depends on whether the interface
is actually configured to act as a parallel port or floppy disk interface.
The pinout of this connector, when configured as a parallel port interface, is
outlined in the following table:
Pin
Signal
1
/STROBE
2
/AUTOFD
3
D0
4
/ERROR
5
D1
6
/INIT
7
D2
8
/SELIN
9
D3
10
GND
11
D4
12
GND
13
D5
14
GND
15
D6
16
GND
17
D7
I/O
O
-
O
25
26
Front of computer
I/O
O
O
O
I
O
O
O
O
O
-
O
-
O
-
O
-
O
Description
+5 V
(Motor).
dc
Ground.
Type (0=ATA).
1
2
Description
Strobe.
Autofeed.
Data Bit 0.
Error.
Data Bit 1.
Initialize.
Data Bit 2.
Select In.
Data Bit 3.
Ground.
Data Bit 4.
Ground.
Data Bit 5.
Ground.
Data Bit 6.
Ground.
Data Bit 7.
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