
Chapter: Connectors Floppy interface
page 26 Beckhoff New Automation Technology CB2051
3.9 Floppy interface
A floppy drive can be attached using a standard 2x17-pin connector (FCI 75869-306LF) for ribbon
cables.
Pinout FDD 2x17 pin connector:
Description Name Pin Name Description
ground GND 1 2 DRVDEN0 drive density sel 0
ground GND 3 4 N/C reserved
ground GND 5 6 DRVDEN1 drive density sel 1
ground GND 7 8 IDX# index
ground GND 9 10 MT0# motor enable 0
ground GND 11 12 DR1# drive sel 1
ground GND 13 14 DR0# drive sel 0
ground GND 15 16 MT1# motor enable 1
ground GND 17 18 DIR# direction
ground GND 19 20 STP# step
ground GND 21 22 WD# write data
ground GND 23 24 WE# write enable
ground GND 25 26 TR0# track 0
ground GND 27 28 WPRT# write protect
reserved N/C 29 30 RDATA# read data
ground GND 31 32 HDSL# head select
reserved N/C 33 34 DC# disk change
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