1 connector x4 (signal levels) – Kontron ETX-LX User Manual
Page 61
12 Appendix D: ETX® Connector Pinouts
Kontron User's Guide ETX®-LX
61
12.6.1 Connector X4 (Signal Levels)
Pin 1–50
IDE1
|
IDE2
|
ETHERNET
|
POWER/PM
|
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-5
PU 10k 5V
-
6
SPEAKER
Speaker Output
O-5
-
-
7
PWRBTN#
Power Button
I-5
-
-
8
BATT
Battery Supply
I
-
-
9
KBINH
-
nc
-
not supported
10
LILED
Ethernet Link LED
O-3,3
-
-
11
WDTRIG
Watschdog Trigger Input
I-3,3
-
-
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
I
2
C Bus Clock
O-5
-
GP10
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#
-
nc
-
not supported
22
I2DAT
I
2
C Bus Data
IO-5
-
GP11
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#
Secondary IDE Chip Select Channel 1
O-3,3
-
-
26
SMBALERT
-
nc
-
Reserved
27
SIDE_CS1#
Secondary IDE Chip Select Channel 0
O-3,3
-
-
28 DASP_S
Master / Slave negotiation
O
-
-
29
SIDE_A2
Secondary IDE Adress Bus
O-3,3
-
-
30
PIDE_CS3#
Primary IDE Chip Select Channel 1
O-3,3
-
-
31
SIDE_A0
Secondary IDE Adress Bus
O-3,3
-
-
32
PIDE_CS1#
Primary IDE Chip Select Channel 0
O-3,3
-
-
33 GND
Ground
PWR
-
-
34 GND
Ground
PWR
-
-
35 PDIAG_S
Master Slave negotiation
I-3,3
-
-
36
PIDE_A2
Primary IDE Adress Bus
O-3,3
-
-
37
SIDE_A1
Secondary IDE Adress Bus
O-3,3
-
-
38
PIDE_A0
Primary IDE Adress Bus
O-3,3
-
-
39
SIDE_INTRQ
Secondary IDE Interrupt Request
I-3,3
-
-
40
PIDE_A1
Primary IDE Adress Bus
O-3,3
-
-
41 nc
-
nc
-
Reserved
42 nc
-
nc
-
Reserved
43
SIDE_AK#
Secondary IDE DMA Acknowledge
O-3,3
-
-
44
PIDE_INTRQ
Primary IDE Interrupt Reqeuest
I-3,3
PU 10k 3,3V
-
45
SIDE_RDY
Secondary IDE Ready
I-3,3
-
-
46
PIDE_AK#
Primary IDE DMA Acknowledge
O-3,3
-
-
47
SIDE_IOR#
Secondary IDE IO Read
O-3,3
-
-
48
PIDE_RDY
Primary IDE Ready
I-3,3
PU 10k 3,3V
-
49 VCC
Power +5V
PWR
-
-
50 VCC
Power +5V
PWR
-
-
Note:
The termination resistors in this table are already mounted on the ETX® board. Refer to the design guide for
information about additional termination resistors.