Siemens 620 사용자 설명서

7-29

SIMATIC Box PC 620  Manual

A5E00131465-01

The optional LS240 drive is connected via this port. This port is connected in
parallel with 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.

1

RESET

Reset

2

GND

3

D8

Data signal D8

4

D7

Data signal D7

5

D9

Data signal D9

6

D6

Data signal D6

7

D10

Data signal D10

8

D5

Data signal D5

9

D11

Data signal D11

10

D4

Data signal D4

11

D12

Data signal D12

12

D3

Data signal D3

13

D13

Data signal D13

14

D2

Data signal D2

15

D14

Data signal D14

16

D1

Data signal D1

17

D15

Data signal D15

18

D0

Data signal D0

19

GND

20

DREQ

DMA Request

21

GND

22

IOW_N

IO Write

23

GND

24

IOR_N

I/O Read

25

GND

26

IORDY

I/O Ready

27

Reserved

28

DACK_N

DMA Acknowledge

29

TBD

30

GND

31

Reserved

reserved

32

IOCS16

I/O Chip Select 16

33

AD_2

Address 2

34

AD_1

Address 1

35

CS3_N

Chip Select 3

36

AD_0

Address 0

37

HDACT_N HD active

38

CS1_N

Chip Select 1

39

TBD

40

P5V

+5V power supply

41

P5V

+5V power supply