
13
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