34-Pin Floppy Disk Drive Connector - Multitech CommPlete 4000 Series User Manual

7
8

34-Pin Floppy Disk Drive Connector

This connector provides signal and data connection between the floppy drive and the SBC
board.
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
Printer Port Connector
This 25-pin connector provides parallel printer data and control signals to and from the SBC
board.
Pin
1
2
3
4
5
6
7
8
9
44
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No Connect
No Connect
2
1
Figure A-4. Floppy Disk Connector
Description
Ground
RPM/RWC
Ground
Not Used
Ground
Not Used
Ground
Index
Ground
Motor Enable 1
Ground
Drive Select 2
Ground
Drive Select 1
Ground
Motor Enable 2
Ground
2
1
Figure A-5. Printer Port Connector
Description Pin
-Strobe 10
+Data Bit 0 11
+Data Bit 1 12
+Data Bit 2 13
+Data Bit 3 14
+Data Bit 4 15
+Data Bit 5 16
+Data Bit 6 17
+Data Bit 7 18-25
34
33
Pin Description
18 Direction (Stepper Motor)
19 Ground
20 Step Pulse
21 Ground
22 Write Data
23 Ground
24 Write Enable
25 Ground
26 Track 0
27 Ground
28 Write Protect
29 Ground
30 Read Data
31 Ground
32 Select Head
33 Ground
34 /DCHNG
26
25
Description
-Acknowledge
+Busy
+Paper End
+Select
-Auto Feed
-Error
-Initialize Printer
-Select Input
Ground
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