CP302
IDE2 Module
ID 21112, Rev. 05
Page C - 13
©
PEP Modular Computers GmbH
C.4.4 Floppy Drive Interface
The floppy drive interface CON3 of the IDE2 module is realized as a 34-pin, 2.54-mm
pitch pin row connector.
C.4.4.1 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 C-6: 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
NUMBERS.
GND
Ground signal
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