Specifications

CP302 I/O Module
ID 21112, Rev. 05 Page A - 13© PEP Modular Computers GmbH
A.4.5 Floppy Drive Interface
The floppy drive interface of the CP302 I/O module is realized as a 34-pin, 2.54-mm
pitch pin row connector.
A.4.5.1 Floppy Drive Connector CON3 Pinout
Please note that all odd numbered pins are used as GND (ground signal)
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Important!
If the floppy drive connection cable is inverted (pin “1” in place of
pin “34”) at “power on”, the floppy drive will work uninterruptedly,
with consequent risk of damaging the floppy disk inserted.
Table A-7: Floppy Drive Connector CON3 Pinout
Pin Signal Function In/out
2 RWC Write precompensation Out
4 N/C -- --
6 N/C -- --
8 INDEX Index pulse In
10 MOTEN1 Motor 1 enable Out
12 DRVSEL2 Driver select 2 Out
14 DRVSEL1 Driver select 1 Out
16 MOTEN2 Motor 2 enable Out
18 DIRECTION Step direction Out
20 STEP Step pulse Out
22 WRDATA Write data Out
24 WREN Write enable Out
26 TRACK0 Track 0 signal In
28 WRPROT Write protect In
30 RDDATA Read data In
32 HEADSEL Head select Out
34 DSKCHG Disk change In
ODD NR.. GND Ground signal --
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