Instruction Manual
Page 45
MODEL NAME
ROCKY-3786EV CPU Card
Page 45
The ROCKY-3786EV is shipped with a 34-pin daisy-chain drive connector cable. This
cable can be connected to the FDD connector.
PIN NO. DESCRIPTION PIN NO. DESCRIPTION
1 GROUND 2 REDUCE WRITE
3 GROUND 4 N/C
5 GROUND 6 N/C
7 GROUND 8 INDEX#
9 GROUND 10 MOTOR ENABLE A#
11 GROUND 12 DRIVE SELECT B#
13 GROUND 14 DRIVE SELECT A#
15 GROUND 16 MOTOR ENABLE B#
17 GROUND 18 DIRECTION#
19 GROUND 20 STEP#
21 GROUND 22 WRITE DATA#
23 GROUND 24 WRITE GATE#
25 GROUND 26 TRACK 0#
27 GROUND 28 WRITE PROTECT#
29 N/C 30 READ DATA#
31 GROUND 32 SIDE 1 SELECT#
33 N/C 34 DISK CHANGE#
Table 3-12: FDD Connector Pinouts










