Kontron ETX-LX2, Manual

Page: 53 / 73

12 Appendix D: ETX® Connector Pinouts
Kontron User's Guide ETX®-LX2 52
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.