15
Chapter 3
Connection
This chapter describes how to connect peripherals,
switches and indicators to the WAFER-4823 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
WAFER-4823 board comes equipped with a 34-pin
daisy-chain driver connector cable. The detailed pin
assignment of the connector is specified as following
table:
•
CN7 : FDC 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 0#
11
GROUND
12
DRIVE SELECT 1#
13
GROUND
14
DRIVE SELECT 0#
15
GROUND
16
MOTOR ENABLE 1#
17 GROUND
18 DIRECTION#
19 GROUND
20 STEP#
21 GROUND
22 WRITE
DATA#
23 GROUND
24 FDCWE#
25 GROUND
26 TRACK
0#
27 GROUND
28 WRITE
PROTECT#
29 GROUND
30 READ
DATA#
31 GROUND
32 HEAD#
33 GROUND
34 DISK
CHANGE#
