X8STi/X8STi-F/X8STi-3F/X8STi-LN4
Floppy Connector
Floppy Drive Connector
Pin Definitions
The floppy connector is located next to the
Note the following when con- necting the floppy cable:
•The floppy disk drive cable has seven twisted wires.
•A red mark on a wire typically designates the location of pin 1.
•A single floppy disk drive ribbon cable has 34 wires and two con- nectors to provide for two floppy disk drives. The connector with twisted wires always connects to drive A, and the connector that does not have twisted wires always connects to drive B.
Pin# | Definition |
1 | Ground |
3 | Ground |
5 | Key |
7Ground
9Ground
11Ground
13Ground
15Ground
17Ground
19Ground
21Ground
23Ground
25 Ground
27Ground
29Ground
31Ground
33Ground
Pin # Definition
2 FDHDIN
4 Reserved
6FDEDIN
8Index
10Motor Enable
12Drive Select B
14Drive Select B
16Motor Enable
18DIR
20STEP
22Write Data
24Write Gate
26 Track 00
28Write Protect
30Read Data
32Side 1 Select
34Diskette
A. Floppy
NIC4 LED |
LSI 1068E
JBMC1
A
