User`s manual

SHB108 LAG1155 Full-Size SBC User’s Manual
Jumpers And Connectors
11
2.4.2 Floppy Disk Port Connector (CN2)
The board provides a 34-pin header type connector, CN2, 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
Pin
Signal
Pin
Signal
1
GND
2
Drive Density Select
3
GND
4
No connector
5
GND
6
No connector
7
GND
8
Index#
9
GND
10
Motor enable A#
11
GND
12
No connector
13
GND
14
Drive select A#
15
GND
16
No connector
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
No connector
30
Read data#
31
GND
32
Head selection#
33
No connector
34
Disk change#