IBM 560E manual Disk Drive, Pin Signal

Hard	Disk Drive		Connector
The	hard	disk	drive is connected to the system board. The following
shows the		pin	assignments for the connector on the system board.
1			49

2

50

Pin

Signal

Description

Pin

Signal

Description

1

JP1

Jumper

26

–

Not

connected

(master)

2

JP1

Jumper

27

–

Not

connected

(master)

3

JP2

Jumper

(slave)

28

GND

Ground

4

JP2

Jumper

(slave)

29−HIOW

I/O

write

5

–

Not

connected

30

GND

Ground

6

–

Not

connected

31

−HIOR

I/O

read

7

−HRESET

Reset

32

GND

Ground

8

GND

Ground

33

IORDY

I/O

ready

9

HD07

Data

7

34

–

Not

connected

10

HD08

Data

8

35

–

Not

connected

11

HD06

Data

6

36

GND

Ground

12

HD09

Data

9

37

HIRQ

Interrupt

Request

13

HD05

Data

5

38

–

Not

connected

14

HD10

Data

10

39

HA01

Address

1

15

HD04

Data

4

40

–

Not

connected

16

HD11

Data

11

41

HA00

Address

0

17

HD03

Data

3

42

HA02

Address

2

18

HD12

Data

12

43 −HCS0

Chip

select

0

19

HD02

Data

2

44

−HCS1

Chip

select

1

20

HD13

Data

13

45

−DASP

Drive

(active/slave

drive present)

21

HD01

Data

1

46

GND

Ground

22

HD14

Data

14

47 +5V

+5V

dc

23

HD00

Data

0

48

+5V

+5V

dc

24

HD15

Data

15

49

GND

Ground

25

GND

Ground

50 –

Not

connected

Figure

2-6. Hard Disk

Drive

Connector

Pin

Assignments

2-8ThinkPad 560/560E System Board