Kontron ETX-LX2, Manual

Page: 56 / 73

12 Appendix D: ETX® Connector Pinouts
Kontron User's Guide ETX®-LX2 55
12.4.1 Connector X2 (Signal Levels)
Pin 1
–
50: ISA Bus
Pin Signal Description Type Termination Comment
1 GND Ground PWR - -
2 GND Ground PWR - -
3 SD14 ISA Data Bus IO-5 PU 10k 5V -
4 SD15 ISA Data Bus IO-5 PU 10k 5V -
5 SD13 ISA Data Bus IO-5 PU 10k 5V -
6 MASTER# ISA 16-Bit Master I-5 - -
7 SD12 ISA Data Bus IO-5 PU 10k 5V -
8 DREQ7 ISA DMA Request 7 I-5 PD 10k -
9 SD11 ISA Data Bus IO-5 PU 10k 5V -
10 DACK7# ISA DMA Acknowledge 7 IO-5 - -
11 SD10 ISA Data Bus IO-5 PU 10k 5V -
12 DREQ6 ISA DMA Request 6 I-5 PD 10k -
13 SD9 ISA Data Bus IO-5 PU 10k 5V -
14 DACK6# ISA DMA Acknowledge 6 IO-5 - -
15 SD8 ISA Data Bus IO-5 PU 10k 5V -
16 DREQ5 ISA DMA Request 5 I-5 PD 10k -
17 MEMW# ISA Memory Write IO-5 - -
18 DACK5# ISA DMA Acknowledge 5 IO-5 - -
19 MEMR# ISA Memory Read IO-5 -
20 DREQ0 ISA DMA Request 0 I-5 PD 10k -
21 LA17 ISA Adress Bus (SA17) O-5 - -
22 DACK0# ISA DMA Acknowledge 0 IO-5 - -
23 LA18 ISA Adress Bus (SA18) O-5 - -
24 IRQ14 ISA Interrupt Request 14 / ROM Chip Select IO-5 - -
25 LA19 ISA Adress Bus (SA19) O-5 - -
26 IRQ15 ISA Interrupt Request 15 I-5 - -
27 LA20 ISA Latchable Adress Bus O-5 - -
28 IRQ12 ISA Interrupt Request 12 I-5 - -
29 LA21 ISA Latchable Adress Bus O-5 - -
30 IRQ11 ISA Interrupt Request 11 I-5 - -
31 LA22 ISA Latchable Adress Bus O-5 - -
32 IRQ10 ISA Interrupt Request 10 I-5 - -
33 LA23 ISA Latchable Adress Bus O-5 - -
34 IO16# ISA 16-Bit I/O Access I-5 - -
35 GND Ground PWR - -
36 GND Ground PWR - -
37 SBHE# ISA System Byte High Enable IO-5 - -
38 M16# ISA 16-Bit Memory Access IO-5 -
39 SA0 ISA Adress Bus O-5 PU 10k 5V -
40 OSC ISA Oscillator (CLK_ISA14#) O-3,3 - -
41 SA1 ISA Adress Bus O-5 PU 10k 5V -
42 BALE ISA Buffer Adress Latch Enable IO-5 - -
43 SA2 ISA Adress Bus O-5 PU 10k 5V -
44 TC ISA Terminal Count IO-5 - -
45 SA3 ISA Adress Bus O-5 PU 10k 5V -
46 DACK2# ISA DMA Acknowledge 2 IO-5 - -
47 SA4 ISA Adress Bus O-5 PU 10k 5V -
48 IRQ3 ISA Interrupt Request 3 I-5 - -
49 SA5 ISA Adress Bus O-5 PU 10k 5V -
50 IRQ4 ISA Interrupt Request 4 I-5 - -
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.