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3.10 Floppy Disk Drive Connector
The HS-2601A uses a standard 34-pin header connector, CN11, for
floppy disk drive connection. A total of two FDD drives may be
connected to CN11 at any given time.
CN11: FDD Connector
PIN Description PIN Description
1 GND 2 RWC-
3 GND 4 N/C
5 GND 6 DS1-
7 GND 8 Index#
9
GND
10
Motor Enable A#
11 GND 12 Drive Select B#
13 GND 14 Drive Select A#
15 GND 16 Motor Enable B#
17 GND 18 Direction#
19
GND
20
Step#
21 GND 22 WD-
23 GND 24 WE-
25 GND 26 Track 0#
27 GND 28 WP-
29 N/C 30 RDATA-
31 GND 32 HEAD-
33 N/C 34 DSKCHG-
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
RWC-
N/C
DS1-
INDEX#
MOTOR ENABLE A#
DRIVE SELECT B#
DRIVE SELECT A#
MOTOR ENABLE B#
DIRECTION#
STEP#
WD-
’
WE-
TRACK 0#
WP-
RDATA-
GND
N/C
GND
N/C
HEAD-
DSKCHG-
34
33
u
1
2