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2 serial ports – Acrosser AR-B1893 User Manual

Page 12

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AR-B1893 User’s Guide

AR-B11893 Pentium M inside (With VGA)

with On Board DDR, 4 Port built in LAN, 1 Mini PCI, 1 CF

12


IDE 2 : Secondary IDE Connector (44 Pins)

PIN NO.

DESCRIPTION

PIN NO.

DESCRIPTION

1

RESET#

2

GROUND

3

DATA 7

4

DATA 8

5

DATA 6

6

DATA 9

7

DATA 5

8

DATA 10

9

DATA 4

10

DATA 11

11

DATA 3

12

DATA 12

13

DATA 2

14

DATA 13

15

DATA 1

16

DATA 14

17

DATA 0

18

DATA 15

19

GROUND

20

N/C

21

N/C

22

GROUND

23

IOW#

24

GROUND

25

IOR#

26

GROUND

27

N/C

28

BALE - DEFAULT

29

N/C

30

GROUND - DEFAULT

31

INTERRUPT

32

IOCS16#-DEFAULT

33

SA1

34

N/C

35

SA0

36

SA2

37

HDC CS0#

38

HDC CS1#

39

HDD ACTIVE#

40

GROUND

41

+5V LOGIC

42

+5V MOTOR

43

GROUND

44

TYPE

3.2 Serial Ports

The AR-B1893 offers two high speeds NS16C550 compatible UARTs
with Read/Receive 16 byte FIFO serial ports.


COM1 : COM1 RS-232
COM2 : COM2 for RS-232
CN5 : COM2 for RS-485 or RS-422
CN6 : COM2 for LCD Display

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2

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