Hard Disk Drive Connector

The hard disk drive connected to the system board is removable. Figure 2-7 shows the pin assignments for the connector on the system board.

Pin

Signal

I/O

or Feature

Pin Signal

 

 

I/O or

 

 

 

 

 

 

 

 

 

Feature

 

 

 

 

 

 

 

1

RSTDRVI

O

 

2

GND

Ground

3

PDD7

 

 

I/O

 

 

4

PDD8

I/O

5

PDD6

 

 

I/O

 

6

 

PDD9

I/O

7

PDD5

 

 

I/O

 

8

 

PDD10

I/O

9

PDD4

 

 

I/O

10

 

PDD11

I/O

11

PDD3

 

 

O

12

PDD12

I/O

13

PDD2

 

 

I/0

14

PDD13

I/O

15

PDD1

 

 

I/O

16

PDD14

I/O

17

PDD0

 

I/O

18

 

PDD15

I/O

19

GND

 

 

Ground

20

 

Key

NC

21

-PDREQ

 

 

I

22

GND

Ground

23

-PDIOW

 

 

O

24

GND

Ground

25

-PDIOR

 

 

O

26

 

GND

Ground

27

PIODRY

 

 

I

28

 

CSEL(GND)

0

29

-PDACK

 

O

 

30

GND

 

Ground

31

IRQ14

 

I

 

 

32

ReservedNC

33

PDA1

 

 

O

34

 

-PDIAGHDD

I

35

PDAO

 

O

36

PDA2

 

O

37

-CS1P

 

Ground

38

-CS3P

O

39

-DASPHDD2 I

40

 

GND

 

Ground

41

VCC5B

 

 

Vcc

42

 

VCC5B

Vcc

43

GND

 

 

Ground

44

 

Reserved

NC

 

 

 

 

 

 

 

 

 

 

Figure 2-7. Hard Disk Drive Connector Pin Assignments

External Bus Connector

The

 

docking

station is

connected through the 240-pin external bus

connector on

the

rear

panel. This connector is installed on the

system board and

has

the following pin assignments:

121

1

 

 

60

180

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

240

120

61

181

2-8 System Board

Page 30
Image 30
IBM 600 manual Hard Disk Drive Connector, External Bus Connector, Pin Signal Or Feature

600 specifications

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