Connection; Floppy Disk Drive Connector - ICP Electronics ROCKY-3786EV User Manual

3. Connection

This chapter illustrates how to connect peripherals,
switches and indicators to the ROCKY-3786EVG board.

3.1 Floppy Disk Drive Connector

ROCKY-3786EV/EVG(U2) board equipped with a 34-pin
daisy-chain driver connector cable.
• CN3: FDC CONNECTOR
PIN
DESCRIPTION
NO.
1 GROUND
3 GROUND
5 GROUND
7 GROUND
9 GROUND
11 GROUND
13 GROUND
15 GROUND
17 GROUND
19 GROUND
21 GROUND
23 GROUND
25 GROUND
27 GROUND
29 N/C
31 GROUND
33 N/C
PIN
DESCRIPTION
NO.
2 REDUCE WRITE
4 N/C
6 N/C
8 INDEX#
10 MOTOR ENABLE A#
12 DRIVE SELECT B#
14 DRIVE SELECT A#
16 MOTOR ENABLE B#
18 DIRECTION#
20 STEP#
22 WRITE DATA#
24 WRITE GATE#
26 TRACK 0#
28 WRITE PROTECT#
30 READ DATA#
32 SIDE 1 SELECT#
34 DISK CHANGE#
1 2
33 34
14