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