The Floppy Disk Drive Connector - Boser HS-6301 Manual

3.5 The Floppy Disk Drive Connector

A standard 34-pin header daisy-chain drive connector, CN10, has the
following pin assignments. Two FDD drives may be connected.
CN10 : FDD Connector
??
PIN NO.
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
DESCRIPTION
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GPI 21
GND
N/C
PIN NO. DESCRIPTION
2 P WCJ
4 N/C
6 DS1J
8 INDEX#
10 MOTOR ENABLE A#
12 DRIVE SELECT B#
14 DRIVE SELECT A#
16 MOTOR ENABLE B#
18 DIRECTION#
20 STEP#
22 WRITE DATA#
24 WRITE DATA#
26 TRACK 0#
28 WRITE PROTECT#
30 READ DATA#
32 Head J
34 DISK CHANGE#
25