Intel ETX CD manual Connector X2 Signal Levels, Pin 1-50 Power ISA

4.4.1Connector X2 Signal Levels

Pin 1–50: [Power ISA]

Pin	Signal	Description
1	GND	Ground
2	GND	Ground
3	SD14	ISA Data Bus
4	SD15	ISA Data Bus
5	SD13	ISA Data Bus
6	MASTER#	ISA 16-Bit Master
7	SD12	ISA Data Bus
8	DREQ7	ISA DMA Request 7
9	SD11	ISA Data Bus
10	DACK7#	ISA DMA Acknowledge 7
11	SD10	ISA Data Bus
12	DREQ6	ISA DMA Request 6
13	SD9	ISA Data Bus
14	DACK6#	ISA DMA Acknowledge 6
15	SD8	ISA Data Bus
16	DREQ5	ISA DMA Request 5
17	MEMW#	ISA Memory Write
18	DACK5#	ISA DMA Acknowledge 5
19	MEMR#	ISA Memory Read
20	DREQ0	ISA DMA Request 0
21	LA17	ISA Adress Bus (SA17)
22	DACK0#	ISA DMA Acknowledge 0
23	LA18	ISA Adress Bus (SA18)
24	IRQ14	ISA Interrupt Request 14 / ROM Chip Select
25	LA19	ISA Adress Bus (SA19)
26	IRQ15	ISA Interrupt Request 15
27	LA20	ISA Latchable Adress Bus
28	IRQ12	ISA Interrupt Request 12
29	LA21	ISA Latchable Adress Bus
30	IRQ11	ISA Interrupt Request 11
31	LA22	ISA Latchable Adress Bus
32	IRQ10	ISA Interrupt Request 10
33	LA23	ISA Latchable Adress Bus
34	IO16#	ISA 16-Bit I/O Access
35	GND	Ground
36	GND	Ground
37	SBHE#	ISA System Byte High Enable
38	M16#	ISA 16-Bit Memory Access
39	SA0	ISA Adress Bus
40	OSC	ISA Oscillator (CLK_ISA14#)
41	SA1	ISA Adress Bus
42	BALE	ISA Buffer Adress Latch Enable
43	SA2	ISA Adress Bus
44	TC	ISA Terminal Count
45	SA3	ISA Adress Bus
46	DACK2#	ISA DMA Acknowledge 2
47	SA4	ISA Adress Bus
48	IRQ3	ISA Interrupt Request 3
49	SA5	ISA Adress Bus
50	IRQ4	ISA Interrupt Request 4

4 ETX® connectors

Type	Termination	Comment
PWR	-	-
PWR	-	-
IO-5	PU 8k2 5V	-
IO-5	PU 8k2 5V	-
IO-5	PU 8k2 5V	-
I-5	PU 330R 5V	-
IO-5	PU 8k2 5V	-
I-5	PU 8k2 5V	-
IO-5	PU 8k2 5V	-
IO-5	-	24mA source cap.
IO-5	PU 8k2 5V	-
I-5	PU 8k2 5V	-
IO-5	PU 8k2 5V	-
IO-5	-	24mA source cap.
IO-5	PU 8k2 5V	-
I-5	PU 8k2 5V	-
IO-5	PU 8k2 5V	-
IO-5	-	24mA source cap.
IO-5	PU 8k2 5V	-
I-5	PU 8k2 5V	-
O-5	-	-
IO-5	-	24mA source cap.
O-5	-	-
IO-5	PU 8k2 5V	-
O-5	-	-
I-5	PU 8k2 5V	-
O-5	-	-
I-5	PU 8k2 5V	-
O-5	-	-
I-5	PU 8k2 5V	-
O-5	-	-
I-5	PU 8k2 5V	-
O-5	-	-
I-5	PU 330R 5V	-
PWR	-	-
PWR	-	-
IO-5	-	-
IO-5	PU 330R 5V	-
O-5	PU 8k2 5V	-
O-3,3	-	-
O-5	PU 8k2 5V	-
IO-5	-	-
O-5	PU 8k2 5V	-
IO-5	-	-
O-5	PU 8k2 5V	-
IO-5	-	-
O-5	PU 8k2 5V	-
I-5	PU 8k2 5V	-
O-5	PU 8k2 5V	-
I-5	PU 8k2 5V	-

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 24