2-8 Floppy Drive Connection
Note the following when connecting the oppy and hard disk drive cables:
• The oppy disk drive cable has seven twisted wires.
• A red mark on a wire typically designates the location of pin 1.
A
A. Floppy Disk Drive
Floppy Connector
The oppy connector is located at
JFDD1. See the table below for pin
denitions.
Floppy Drive Connector
PinDenitions(Floppy)
Pin# Denition Pin # Denition
1 Ground 2 FDHDIN
3 Ground 4 Reserved
5 Key 6 FDEDIN
7 Ground 8 Index
9 Ground 10 Motor Enable
11 Ground 12 Drive Select B
13 Ground 14 Drive Select B
15 Ground 16 Motor Enable
17 Ground 18 DIR
19 Ground 20 STEP
21 Ground 22 Write Data
23 Ground 24 Write Gate
25 Ground 26 Track 00
27 Ground 28 Write Protect
29 Ground 30 Read Data
31 Ground 32 Side 1 Select
33 Ground 34 Diskette