20 x102 pc/104 bus interface, X102 pc/104 bus interface – Kontron MSM800BEV User Manual

Page 38

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MSM800BEV

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36

Notes:

denotes power or ground signals.

The KEY pins are to guarantee proper module installation. PinA1 will be removed and the female side

plugged for 5.0V I/O signals and PinD30 will be modified in the same manner for 3.3V I/O. It is

recommended that both KEY pins (A1 and D30) be electrically connected to GND for shielding.

KCC boards have them as NC (not connected).

Signals used Onboard (not for external use):

IRQ3, IRQ4

COM1 /2

IRQ5

Sound

IRQ7

LPT1

IRQ6

FD

IRQ14

HD

IRQ12

PS/2 Mouse

IRQ13

Coprocessor

TC

FD

DACK2 and DRQ2

FD

5.1.20 X102 PC/104 BUS Interface

Pin

A:

B:

C:

D:

0

Ground

Ground

1

IOCHCK

Ground

SBHE

MEMCS16

2

SD7

RESET

LA23

IOCS16

3

SD6

+5Volt

LA22

IRQ10

4

SD5

IRQ9

LA21

IRQ11

5

SD4

NC

LA20

IRQ12

6

SD3

DRQ2

LA19

IRQ15

7

SD2

(-12Volt)

LA18

IRQ14

8

SD1

0WS

LA17

DACK0

9

SD0

+12Volt

MEMR

DRQ0

10

IOCHRDY

Ground NC

MEMW

DACK5

11

AEN

SMEMW

SD8

DRQ5

12

SA19

SMEMR

SD9

DACK6

13

SA18

SIOW

SD10

DRQ6

14

SA17

SIOR

SD11

DACK7

15

SA16

DACK3

SD12

DRQ7

16

SA15

DRQ3

SD13

+5Volt

17

SA14

DACK1

SD14

MASTER

18

SA13

DRQ1

SD15

Ground

19

SA12

REF

Ground

Ground

20

SA11

SYSCLK

21

SA10

IRQ7

22

SA9

IRQ6

23

SA8

IRQ5

24

SA7

IRQ4

25

SA6

IRQ3

26

SA5

DACK2

27

SA4

TC

28

SA3

ALE

29

SA2

+5Volt

30

SA1

OSC

31

SA0

Ground

32

Ground

Ground

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