IBM 6288, 6268, 6278 manual IDE connectors, IDE connector pin assignments

Appendix A.

Connector

pin

assignments

Figure

22

(Page

3

of

3).

PCI connector pin assignments

Pin

Signal

I/O

Pin

Signal

I/O

A45

Address/Data

14

I/O

B45

Address/Data

14

I/O

A46

Ground

NA

B46

Ground

NA

A47

Address/Data

12

I/O

B47

Address/Data

12

I/O

A48

Address/Data

10

I/O

B48

Address/Data

10

I/O

A49

Ground

NA

B49

Ground

NA

A50

Key

NA

B50

Key

NA

A51

Key

NA

B51

Key

NA

A52

Address/Data

8

I/O

B52

Address/Data

8

I/O

A53

Address/Data

7

I/O

B53

Address/Data

7

I/O

A54

+3.3

V

DC

NA

B54

+3.3

V

DC

NA

A55

Address/Data

5

I/O

B55

Address/Data

5

I/O

A56

Address/Data

3

I/O

B56

Address/Data

3

I/O

A57

Ground

NA

B57

Ground

NA

A58

Address/Data

1

I/O

B58

Address/Data

1

I/O

A59

+5 V DC (I/O)

NA

B59

+5 V DC (I/O)

NA

A60

ACK64#

I/O

B60

ACK64#

I/O

A61

+5

V

DC

NA

B61

+5

V

DC

NA

A62

+5

V

DC

NA

B62

+5

V

DC

NA

IDE connectors

2

40

1

39

Figure

23

(Page

1

of

2).

IDE connector pin assignments

Pin

Signal

I/O

Pin

Signal

I/O

1

RESET

O

21

NC

NA

2

Ground

NA

22

Ground

NA

3

Data

bus

bit

7

I/O

23

I/O

write

O

4

Data

bus

bit

8

I/O

24

NC

NA

5

Data

bus

bit

6

I/O

25

I/O

read

O

6

Data

bus

bit

9

I/O

26

Ground

NA

7

Data

bus

bit

5

I/O

27

I/O

channel

ready

I

8

Data

bus

bit

10

I/O

28

ALE

O

9

Data

bus

bit

4

I/O

29

NC

NA

10

Data

bus

bit

11

I/O

30

Ground

NA

11

Data

bus

bit

3

I/O

31

IRQ

I

12

Data

bus

bit

12

I/O

32

CS16#

I

13

Data

bus

bit

2

I/O

33

SA1

O

14

Data

bus

bit

13

I/O

34

PDIAG#

I

Appendix A. Connector pin assignments31