Intel ETX CD manual Connector X1 Signal Levels, Pin 1-50 Power PCI USB Audio

4 ETX® connectors

4.3.1Connector X1 Signal Levels

Pin 1-50 [Power 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	PU 8k2 3.3V	8k2 Ohm Resistors
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	PU 8k2 3.3V	8k2 Ohm Resistors
14	GNT1#	PCI Bus Grant 1	O-3,3	-	-
15	REQ1#	PCI Bus Request 1	I-3,3	PU 8k2 3.3V	8k2 Ohm Resistors
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	-	12mA Source sink
22	REQ0#	PCI Bus Request 0	I-3,3	PU 8k2 3.3V	8k2 Ohm Resistors
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	PD 4k7 ASGND	1:2 bleeder
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	PD 4k7 ASGND	1:2 bleeder
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. Please refer to the design
	guide for information about additional termination resistors.

Kontron User's Guide ETX CD 20