Diskette Drive Connector

The external diskette drive is connected through the diskette drive connector, located on the left side of the computer. Figure 2-9 shows the pin assignments of the connector:

25

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

26

2

 

 

 

 

 

 

 

 

 

 

 

 

 

Pin

Signal

Type

 

 

 

 

 

 

 

 

 

 

 

 

1

GND

Ground

 

 

 

 

2

DRATE1

Data

 

Rate

Select

1

3

VCC5B

+5V

dc

 

 

 

4

Reserved

 

 

 

5

GND

Ground

 

 

 

 

6

Reserved

 

 

 

7

GND

Ground

 

 

 

 

8

−INDEX

Index

 

 

 

9

Reserved

 

 

 

10

Reserved

 

 

 

11

−DRVSEL0

Drive

Select

0

 

12

DRATE0

Data

 

Rate

Select

0

13

−MOTEN0

Motor

 

Enable

0

 

14

Reserved

 

 

 

15

−FDIR

Direction

In

 

16

−FSTEP

Step

 

 

 

 

 

17

WRDATA

Write

Data

 

 

18

−FWREN

Write

Enable

 

 

19

GND

Ground

 

 

 

 

20

−TRAK0

Track

 

0

 

 

 

21

Reserved

 

 

 

22

−FWPROTECT

Write

Protect

 

23

RDDATA

Read

Data

 

 

24

−FSIDE1SEL

Side

 

1

Select

 

25

Reserved

 

 

 

26

−DISKCHG

Disk

Change

 

 

 

 

 

 

 

 

 

 

Figure 2-9. Diskette Drive Connector Pin Assignments

2-12ThinkPad 560/560E System Board

Page 34
Image 34
IBM 560E manual Diskette Drive Connector, Pin Signal Type