14
Connection
This chapter describes how to connect peripherals, switches and
indicators to the NOVA-300 board. You can access most of the
connectors from the top of the board while it is installed in the
chassis.
3.1 Floppy Disk Drive Connector
NOVA-300 board comes equipped with a 34-pin daisy-chain
driver connector cable. The detailed pin assignment of the
connector is specified as following table:
•
CN5 : FDC CONNECTOR
PIN NO.
DESCRIPTION
PIN NO.
DESCRIPTION
1
GROUND
2
REDUCE WRITE
CURRENT#
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
GROUND
30
READ DATA#
31
GROUND
32
SIDE 1 SELECT#
33
GROUND
34
DISK CHANGE#
3.2 IDE Disk Drive Connector
You can attach two IDE( Integrated Device Electronics) hard
disk drives to the NOVA-300 internal controller. The board
comes equipped with a 40-pin flat-cable connector. The detailed
pin assignment of the connector is specified as following table:
