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Siemens PC 670 User Manual

Page 162

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Hardware Information

Release 04/02

7-30

Panel PC 670 Computing Unit, Equipment Manual

Connection of an LS240 drive

The optional LS240 drive is connected via this port. This port is connected in
parallel to the secondary IDE port. The connected LS240 drive is automatically
master (i.e. bootable drive) as the result of a special RC circuit. The maximum
connection length of the data cable may not exceed 40cm.

Pin
No.

Short Name

Meaning

Input/
Output

1

Reserved

Reserved

-

2

Reserved

Reserved

-

3

reserved

Reserved

-

4

GND

Chassis ground

-

5

RESET

Reset

Input/Output

6

D8

Data signal D8

Input/Output

7

D7

Data signal D7

Input/Output

8

D9

Data signal D9

Input/Output

9

D6

Data signal D6

Input/Output

10

D10

Data signal D10

Input/Output

11

D5

Data signal D5

Input/Output

12

D11

Data signal D11

Input/Output

13

D4

Data signal D4

Input/Output

14

D12

Data signal D12

Input/Output

15

D3

Data signal D3

Input/Output

16

D13

Data signal D13

Input/Output

17

D2

Data signal D2

Input/Output

18

D14

Data signal D14

Input/Output

19

D1

Data signal D1

Input/Output

20

D15

Data signal D15

Input/Output

21

D0

Data signal D0

Input/Output

22

DREQ

DMA request

Input

23

GND

Chassis ground

-

24

IOR_N

Read signal

Output

25

IOW_N

Write signal

Output

26

GND

Chassis ground

-

27

IORDY

Ready signal

Input

28

DACK_N

DMA confirmation

Output

29

irq15

Interrupt signal

Input

30

AD_1

Address line 1

Output

31

AD_0

Address line 0

Output

32

AD_2

Address line 2

Output

33

CS_N

Selection signal

Output

34

HDACT_N

Activity

Input

35

CS1_N

Selection signal 1

36

CSEL

Selection signal

37

GND

Chassis ground

-

38

P5V

+5V power supply

Output

39

P5V

+5V power supply

Output

40

P5V

+5V power supply

Output

41

P5V

+5V power supply

Output