Atx 4 Pin 12V In Connector (Cn15); Floppy Disk Port Connector (Cn36) - AXIOMTEK IMB202 Series User Manual

2.4.7 ATX 4 Pin 12V In Connector (CN15)

You can connect it to the ATX12V power supply for CPU Core Voltage.
Pin
1 GND
2 GND
3 +12V
4 +12V

2.4.8 Floppy Disk Port Connector (CN36)

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 #
Jumpers and Connectors
IMB202 LGA775 ATX Board User's Manual
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 #
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
15