1 connector x1 (signal levels), Pin 1-50: pci | usb | audio – Kontron ETX-LX User Manual
Page 51
12 Appendix D: ETX® Connector Pinouts
Kontron User's Guide ETX®-LX
51
12.3.1 Connector X1 (Signal Levels)
Pin 1-50:
PCI
|
USB
|
AUDIO
Pin
Signal
Description
Type
Termination
Comment
1
GND
Ground
PWR
-
-
2
GND
Ground
PWR
-
-
3
PCICLK3
PCI Clock Slot 3
O-3,3
-
-
4
PCICLK4
PCI Clock Slot 4
O-3,3
-
-
5
GND
Ground
PWR
-
-
6
GND
Ground
PWR
-
-
7
PCICLK1
PCI Clock Slot 1
O-3,3
-
-
8
PCICLK2
PCI Clock Slot 2
O-3,3
-
-
9
REQ3#
PCI Bus Request 3
I-3,3
-
-
10
GNT3#
PCI Bus Grant 3
O-3,3
-
-
11
GNT2#
PCI Bus Grant 2
O-3,3
-
-
12
3V
Power +3,3V
PWR
-
-
13
REQ2#
PCI Bus Request 2
I-3,3
-
-
14
GNT1#
PCI Bus Grant 1
O-3,3
-
-
15
REQ1#
PCI Bus Request 1
I-3,3
-
-
16
3V
Power +3,3V
PWR
-
-
17
GNT0#
PCI Bus Grant 0
O-3,3
-
-
18
nc
-
nc
-
Reserved
19
VCC
Power +5V
PWR
-
-
20
VCC
Power +5V
PWR
-
-
21
SERIRQ
Serial Interrupt Reqest
IO-3,3
PU 10k 3,3V
-
22
REQ0#
PCI Bus Request 0
I-3,3
-
-
23
AD0
PCI Adress & Data Bus line
IO-3,3
-
-
24
3V
Power +3,3V
PWR
-
-
25
AD1
PCI Adress & Data Bus line
IO-3,3
-
-
26
AD2
PCI Adress & Data Bus line
IO-3,3
-
-
27
AD4
PCI Adress & Data Bus line
IO-3,3
-
-
28
AD3
PCI Adress & Data Bus line
IO-3,3
-
-
29
AD6
PCI Adress & Data Bus line
IO-3,3
-
-
30
AD5
PCI Adress & Data Bus line
IO-3,3
-
-
31
CBE0#
PCI Bus Command and Byte enables 0
IO-3,3
-
-
32
AD7
PCI Adress & Data Bus line
IO-3,3
-
-
33
AD8
PCI Adress & Data Bus line
IO-3,3
-
-
34
AD9
PCI Adress & Data Bus line
IO-3,3
-
-
35
GND
Ground
PWR
-
-
36
GND
Ground
PWR
-
-
37
AD10
PCI Adress & Data Bus line
IO-3,3
-
-
38
AUXAL
Auxiliary Line Input Left
I
-
1uF in series
39
AD11
PCI Adress & Data Bus line
IO-3,3
-
-
40
MIC
Microphone Input
I
-
-
41
AD12
PCI Adress & Data Bus line
IO-3,3
-
-
42
AUXAR
Auxiliary Line Input Right
I
-
1uF in series
43
AD13
PCI Adress & Data Bus line
IO-3,3
-
-
44
ASVCC
Analog Supply of Sound Controller
O-5
-
-
45
AD14
PCI Adress & Data Bus line
IO-3,3
-
-
46
SNDL
Audio Out Left
O
-
-
47
AD15
PCI Adress & Data Bus line
IO-3,3
-
-
48
ASGND
Analog Ground of Sound Controller
P
-
-
49
CBE1#
PCI Bus Command and Byte enables 1
IO-3,3
-
-
50
SNDR
Audio Out Right
O
-
-
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.