Floppy Disk Port Connector - AXIOMTEK SBC81203 Series User Manual

SBC81203 LGA775 SBC User's Manual
Pin
1 GND
2 GND
3 +12V
4 +12V
2.4.5 Floppy Disk Port Connector: FDD1
The board provides a 34-pin header type connector, FDD1, supporting
up to two floppy drives. The floppy drives may be any one of the
following types: 5.25" 360KB/1.2MB and 3.5" 720KB/1.44MB/2.88MB.
Pin Signal
1 GND
4 N/C
7 GND
10 Motor enable A #
13 GND
16 Motor enable B #
19 GND
22 Write data #
25 GND
28 Write protect #
31 GND
34 Disk change #
FDD1
12
Signal
Pin Signal
2 Reduce write current
5 GND
8 Index #
11 GND
14 Drive select A #
17 GND
20 STEP #
23 GND
26 Track #
29 GND
32 Side 1 select #
CN2
Pin Signal
3 GND
6 N/C
9 GND
12 Drive select B #
15 GND
18 Direction #
21 GND
24 Write gate #
27 GND
30 Read data #
33 GND
Jumpers and Connectors