IEI Integration ROCKY-3786 v4.0 - Manual (Page 49)

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ROCKY-3786EV CPU Card
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Figure 3-9: CRT Connector Location
3.2.9 FDD Connector
CN Label: CN3
CN Type: 34-pin header (2x17)
CN Location: See Figure 3-10
CN Pinouts: See Table 3-12
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#