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3. Hardware Installations
20
SPI-8451-LLVA, SPI-8452-LLVA, SPI-8451-LVA
Floppy Disk Connector: CN3
The floppy interface can be configured for the following floppy drive capacities and sizes:
- 360 KB, 5.25-inch
- 1.2 MB, 5.25-inch
- 720 KB, 3.5-inch
- 1.44 MB, 3.5-inch
- 2.88 MB, 3.5-inch
This connector supports the provided floppy drive ribbon cable. After connecting the single and to the
board, connect the two plugs on the other end to the floppy drives.
Table 3.5. Floppy Disk Drive Connector
Pin No.
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
Function
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
Pin No.
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
Function
RWC
N.C.
N.C.
INDEX
DS0
DS1
DS2
MOT ON
DIR
STEP
WD
WG
TRCK 0
WP
RD
SIDE 1
DSK CHG
33
CN3
1
234