Intel ETX CD Manual

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4 ETX® connectors

Kontron User's Guide ETX CD 34

4.6.2 Connector X4 (Signal Levels)

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

Pin Si

g

na

l

Descri

p

tion T

yp

e Termination Commen

t

1 GND Ground PWR - -

2 GND Ground PWR - -

3 5V_SB Su

pp

l

y

of internal sus

p

end Circui

t

I - -

4 PWGIN Power Good

/

Reset In

p

u

t

I - -

5 PS_ON Power Su

pp

l

y

On O-3,3 PU 10k 3,3V -

6 SPEAKER S

p

eaker Out

p

u

t

O-3.3 - int. PD 20k

(

ICH7-M

)

7 PWRBTN# Power Button I-3,3 PU 4k7 3,3V -

8 BAT

T

Batter

y

Su

pp

l

y

I - -

9 KBINH Ke

y

board Inhibit Control In

p

u

t

I-5 - -

10 LILED Ethernet Link LED O-3,3 - -

11 RSMRST# Resume Rese

t

nc PU 10k 3,3V Not su

pp

orted

12 ACTLED Ethernet Activit

y

LED O-3,3 - -

13 ROMKBCS# - nc - not su

pp

orted

14 SPEEDLED Ethernet S

p

eed LED O-3,3 - on at 100Mb

/

s

15 EXT_PRG - nc - not su

pp

orted

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 su

pp

orted

21 EXTSMI# S

y

stem Mana

g

ement In

t

erru

p

t In

p

u

t

I-3,3 PU 10k 3,3V -

22 I2DA

T

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 su

pp

orted

26 SMBALER

T

SMB Aler

t

I-3,3 PU 2k2 3,3V -

27 SIDE_CS1# - nc - -

28 DASP_S - nc - not su

pp

orted

29 SIDE_A2 - nc - -

30 PIDE_CS3# Primar

y

IDE Chi

p

Select Channel 1 O-3,3 - -

31 SIDE_A0 - nc - -

32 PIDE_CS1# Primar

y

IDE Chi

p

Select Channel 0 O-3,3 - -

33 GND Ground PWR - -

34 GND Ground PWR - -

35 PDIAG_S - nc - -

36 PIDE_A2 Primar

y

IDE Adress Bus O-3,3 - -

37 SIDE_A1 - nc - -

38 PIDE_A0 Primar

y

IDE Adress Bus O-3,3 - -

39 SIDE_INTRQ - nc - -

40 PIDE_A1 Primar

y

IDE Adress Bus O-3,3 - -

41 PM_BATLOW# Batter

y

Low I-3,3 PU 8k2 3,3V -

42 GPE1# General Pur

p

ose Power Event 1 I-3,3 PU 10k 3,3V GPIO13 on ICH7-M

43 SIDE_AK# - nc - -

44 PIDE_INTRQ Primar

y

IDE Interru

p

t Re

q

eues

t

I-3,3 PU 8k2 3,3V -

45 SIDE_RDY - nc - -

46 PIDE_AK# Primar

y

IDE DMA Acknowled

g

e O-3,3 - -

47 SIDE_IOR# - nc - -

48 PIDE_RDY Primar

y

IDE Read

y

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.