User`s manual

IMB205 LGA1156 ATX Motherboard User’s Manual
Jumpers and Connectors
25
2.4.14 Floppy Disk Port Connector (CN24)
The board provides a 34-pin header type connector CN24
supporting 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 Pin Signal Pin Signal
1 GND 2 Drive Density Select 3 GND
4 NC 5 GND 6 NC
7 GND 8 Index# 9 GND
10 Motor enable A# 11 GND 12 NC
13 GND 14 Drive Select A# 15 GND
16 NC 17 GND 18 Direction#
19 GND 20 STEP# 21 GND
22 Write Data# 23 GND 24 Write Gate#
25 GND 26 Track 0 # 27 GND
28 Write Protect# 29 NC 30 Read Data#
31 GND 32 Head Selection# 33 NC
34 Disk Change#
CN24