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3
Connection
This chapter describes how to connect peripherals, switches and
indicators to the ROCKY- P258BX board.
3.1 Floppy Disk Drive Connector
ROCKY-P258BX board is equipped with a 34-pin daisy-chain
driver connector cable.
•
CN8 : 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 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#
Summary of Contents for ROCKY-P258BX
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