User's Manual

3.1 Floppy Disk Drive Connector

NOVA-7820 board is equipped with a 34-pin daisy-chain driver connector

cable.

• CN24: FDD Connector

PIN Description PIN Description

1 GROUND 2 REDUCE WRITE

3 GROUND 4 N/C

5 GROUND 6 DS1#

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#

3.2 Video-in Connector

NOVA-7820 is equipped witch 4 channels of composite video

connector(BT878A).

• CN33: Capture IN

PIN Description PIN Description

1 AVIN0 2 GROUND

3 AVIN1 4 GROUND

5 AVIN2 6 GROUND

7 AVIN3 8 GROUND