Connector x4 (signal levels), 2 connector x4 (signal levels) – Intel ETX CD User Manual
Page 34
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 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.