4 ETX® connectors

4.6.2Connector X4 (Signal Levels)

Pin 1–50:[Power IDE Ethernet Power control Misc]

Pin Signal

Description

Type

Termination Comment

 

1

GND

Ground

PWR

-

-

 

 

2

GND

Ground

PWR

-

-

 

 

3

5V_SB

Supply of internal suspend Circuit

I

-

-

 

 

4

PWGIN

Power Good / Reset Input

I

-

-

 

 

5

PS_ON

Power Supply On

O-3,3

PU 10k 3,3V

-

 

 

6

SPEAKER

Speaker Output

O-3.3

-

int. PD 20k ( ICH7-M)

 

 

7

PWRBTN#

Power Button

I-3,3

PU 4k7 3,3V

-

 

 

8

BATT

Battery Supply

I

-

-

 

 

9

KBINH

Keyboard Inhibit Control Input

I-5

-

-

 

 

10

LILED

Ethernet Link LED

O-3,3

-

-

 

 

11

RSMRST#

Resume Reset

nc

PU 10k 3,3V

Not supported

 

 

12

ACTLED

Ethernet Activity LED

O-3,3

-

-

 

 

13

ROMKBCS#

-

nc

-

not supported

 

 

14

SPEEDLED

Ethernet Speed LED

O-3,3

-

on at 100Mb/s

 

 

15

EXT_PRG

-

nc

-

not supported

 

 

16

I2CLK

I2C Bus Clock

O-5

PU 2k2 5V

-

 

 

17

VCC

Power +5V

PWR

-

-

 

 

18

VCC

Power +5V

PWR

-

-

 

 

19

OVCR#

Over Current Detect for USB

I-3,3

PU 10k 3,3V

-

 

 

20

GPCS#

-

nc

-

not supported

 

 

21

EXTSMI#

System Management Interrupt Input

I-3,3

PU 10k 3,3V

-

 

 

22

I2DAT

I2C Bus Data

IO-5

PU 2k2 5V

-

 

 

23

SMBCLK

SM Bus Clock

O-3,3

PU 2k2 3,3V

-

 

 

24

SMBDATA

SM Bus Data

IO-3,3

PU 2k2 3,3V

-

 

 

25

SIDE_CS3#

-

nc

-

not supported

 

 

26

SMBALERT

SMB Alert

I-3,3

PU 2k2 3,3V

-

 

 

27

SIDE_CS1#

-

nc

-

-

 

 

28

DASP_S

-

nc

-

not supported

 

 

29

SIDE_A2

-

nc

-

-

 

 

30

PIDE_CS3#

Primary IDE Chip Select Channel 1

O-3,3

-

-

 

 

31

SIDE_A0

-

nc

-

-

 

 

32

PIDE_CS1#

Primary IDE Chip Select Channel 0

O-3,3

-

-

 

 

33

GND

Ground

PWR

-

-

 

 

34

GND

Ground

PWR

-

-

 

 

35

PDIAG_S

-

nc

-

-

 

 

36

PIDE_A2

Primary IDE Adress Bus

O-3,3

-

-

 

 

37

SIDE_A1

-

nc

-

-

 

 

38

PIDE_A0

Primary IDE Adress Bus

O-3,3

-

-

 

 

39

SIDE_INTRQ

-

nc

-

-

 

 

40

PIDE_A1

Primary IDE Adress Bus

O-3,3

-

-

 

 

41

PM_BATLOW#

Battery Low

I-3,3

PU 8k2 3,3V

-

 

 

42

GPE1#

General Purpose Power Event 1

I-3,3

PU 10k 3,3V

GPIO13 on ICH7-M

 

 

43

SIDE_AK#

-

nc

-

-

 

 

44

PIDE_INTRQ

Primary IDE Interrupt Reqeuest

I-3,3

PU 8k2 3,3V

-

 

 

45

SIDE_RDY

-

nc

-

-

 

 

46

PIDE_AK#

Primary IDE DMA Acknowledge

O-3,3

-

-

 

 

47

SIDE_IOR#

-

nc

-

-

 

 

48

PIDE_RDY

Primary IDE Ready

I-3,3

PU 4k7,3V

-

 

 

49

VCC

Power +5V

PWR

-

-

 

 

50

VCC

Power +5V

PWR

-

-

 

 

 

 

 

 

Note:

The termination resistors in this table are already mounted on the ETX® board. Please refer to the design

 

 

 

guide for information about additional termination resistors.

 

 

 

 

 

 

 

 

 

 

 

 

Kontron User's Guide ETX CD

34

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Page 34
Image 34
Intel ETX CD manual Connector X4 Signal Levels, Pin 1-50Power IDE Ethernet Power control Misc
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