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Chapter: Connectors
3.3.2 Floppy interface
A floppy drive can be attached in one of two alternative ways: One is a standard 2x17-pin connector (FCI
75869-306LF) for ribbon cables, the other is a 26-pin connector (JST 26FMZ-BT) for Flat Flex cables (FFC).
C
AUTION
The two connectors can only be used one at a time.
Pinout FFC connector (FDD):
Name
Pin
1
VCC
2
IDX#
3
VCC
4
DR0#
5
VCC
6
DC#
7
N/C
8
N/C
9
N/C
10
MT0#
11
N/C
12
DIR#
13
N/C
14
STP#
15
GND
16
WD#
17
GND
18
WE#
19
GND
20
TR0#
21
GND
22
WPRT#
23
GND
24
RDATA#
25
GND
page 28
5 volt supply
index
5 volt supply
drive sel 0
5 volt supply
disk change
reserved
reserved
reserved
motor enable 0
reserved
direction
reserved
step
ground
write data
ground
write enable
ground
track 0
ground
write protect
ground
read data
ground
Description
Beckhoff New Automation Technology CB1050
IDE, FDD, Memory
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