IBM 600 User Manual

   

 

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.

Figure

2-7. Hard Disk Drive Connector Pin Assignments

  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

Reserved

NC

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

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:

1

240

120

121

60

180

181

61