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CONNECTORS
This section describes how to connect peripherals, switches, and indicators to the
SBC-370.
Floppy Disk Drive Connector (CN2)
The SBC-370 is equipped with a 34-pin daisy-chain drive connector cable. For the
location of this connector, refer to CN2 in figure 2.
Pin Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Description
GND
REDUCE WRITE
GND
NC
GND
NC
GND
INDEX#
GND
MOTOR ENABLE A#
GND
DRIVE SELECT B#
GND
DRIVE SELECT A#
GND
MOTOR ENABLE B#
GND
DIRECTION#
Board Configuration
Pin Number
Description
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
GND
30
READ DATA#
31
GND
32
SIDE 1 SELECT#
33
GND
34
DISK CHANGE#
16
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