Owner's manual
Table Of Contents
- ETX-CV
- Revision History
- Table of Contents
- Preface
- 1 Introduction
- 2 Specifications
- 3 Function Diagram
- 4 Mechanical Dimensions
- 5 Embedded Functions
- 6 Pin-out and Signal Descriptions
- 7 System Resources
- 8 BIOS Setup Utility
- 9 BIOS Checkpoints, Beep Codes
- Appendix A: Connectors and Mounting
- Important Safety Instructions
- Getting Service
ETX-CV User’s ManualPage 24
Signal Descriptions (cont’d)
X2
Pin Signal Description Type PU/PD Comment
1 GND Ground PWR - -
2 GND Ground PWR - -
3 SD14 ISA Data Bus IO-5 PU 4k7 5V int. PU 50k 5V in
4 SD15 ISA Data Bus IO-5 PU 4k7 5V int. PU 50k 5V in
5 SD13 ISA Data Bus IO-5 PU 4k7 5V int. PU 50k 5V in
6 MASTER# ISA 16-Bit Master I-5 PU 330R 5V int. PU 50k 5V in
7 SD12 ISA Data Bus IO-5 PU 4k7 5V int. PU 50k 5V in
8 DREQ7 ISA DMA Request 7 I-5 PU 4k7 5V int. PD 50k
9 SD11 ISA Data Bus IO-5 PU 4k7 5V int. PU 50k 5V in
10 DACK7# ISA DMA Acknowledge 7 IO-5 PU 4k7 5V int. PU 50k 5V in
11 SD10 ISA Data Bus IO-5 PU 4k7 5V int. PU 50k 5V in
12 DREQ6 ISA DMA Request 6 I-5 PU 4k7 5V int. PD 50k
13 SD9 ISA Data Bus IO-5 PU 4k7 5V int. PU 50k 5V in
14 DACK6# ISA DMA Acknowledge 6 IO-5 PU 4k7 5V int. PU 50k 5V in
15 SD8 ISA Data Bus IO-5 PU 4k7 5V int. PU 50k 5V in
16 DREQ5 ISA DMA Request 5 I-5 PU 4k7 5V int. PD 50k
17 MEMW# ISA Memory Write IO-5 PU 4k7 5V int. PU 50k 5V in
18 DACK5# ISA DMA Acknowledge 5 IO-5 PU 4k7 5V int. PU 50k 5V in
19 MEMR# ISA Memory Read IO-5 PU 4k7 5V int. PU 50k 5V in
20 DREQ0 ISA DMA Request 0 I-5 PU 4k7 5V int. PD 50k
21 LA17 ISA Address Bus (SA17) O-5 PU 4k7 5V -
22 DACK0# ISA DMA Acknowledge 0 IO-5 PU 4k7 5V int. PU 50k 5V in
23 LA18 ISA Address Bus (SA18) O-5 PU 4k7 5V -
24 IRQ14 ISA Interrupt Request 14 / ROMChip Select IO-5 PU 4k7 5V int. PU 50k 5V in
25 LA19 ISA Address Bus (SA19) O-5 PU 4k7 5V -
26 IRQ15 ISA Interrupt Request 15 IO-5 PU 4k7 5V int. PU 50k 5V in
27 LA20 ISA Address Bus (SA20) O-5 PU 4k7 5V -
28 IRQ12 ISA Interrupt Request 12 IO-5 PU 4k7 5V int. PU 50k 5V in
29 LA21 ISA Address Bus (SA21) O-5 PU 4k7 5V -
30 IRQ11 ISA Interrupt Request 11 IO-5 PU 4k7 5V int. PU 50k 5V in
31 LA22 ISA Address Bus (SA22) O-5 PU 4k7 5V -
32 IRQ10 ISA Interrupt Request 10 IO-5 PU 4k7 5V int. PU 50k 5V in
33 LA23 ISA Address Bus (SA23) O-5 PU 4k7 5V
34 IO16# ISA 16-Bit I/O Access I-5 PU 330R 5V int. PU 50k 5V in
35 GND Ground PWR - -
36 GND Ground PWR - -
37 SBHE# ISA System Byte High Enable IO-5 PU 4k7 5V int. PU 50k 5V in
38 M16# ISA 16-Bit Memory Access IO-5 PU 330R 5V int. PU 50k 5V in
39 SA0 ISA Address Bus O-5 PU 4k7 5V -
40 OSC ISA Oscillator (CLK_ISA14#) O-3,3 - -
41 SA1 ISA Address Bus O-5 PU 4k7 5V -
42 BALE ISA Buffer Address Latch Enable IO-5 PD 4k7 int. PU 50k 5V in
43 SA2 ISA Address Bus O-5 PU 4k7 5V
44 TC ISA Terminal Count IO-5 PD 4k7 int. PU 50k 5V in
45 SA3 ISA Address Bus O-5 PU 4k7 5V -
46 DACK2# ISA DMA Acknowledge 2 IO-5 PU 4k7 5V int. PU 50k 5V in
47 SA4 ISA Address Bus O-5 PU 4k7 5V -
48 IRQ3 ISA Interrupt Request 3 IO-5 PU 4k7 5V int. PU 50k 5V in
49 SA5 ISA Address Bus O-5 PU 4k7 5V -
50 IRQ4 ISA Interrupt Request 4 IO-5 PU 4k7 5V int. PU 50k 5V in