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 Manual Page 25
ETX-CV User’s Manual Page 25
Signal Descriptions (cont’d)
X2
Pin Signal Description Type PU/PD Comment
51 5VCC Power +5V PWR - -
52 5VCC Power +5V PWR - -
53 SA6 ISA Address Bus O-5 PU 4k7 5V -
54 IRQ5 ISA Interrupt Request 5 IO-5 PU 4k7 5V int. PU 50k 5V in
55 SA7 ISA Address Bus O-5 PU 4k7 5V -
56 IRQ6 ISA Interrupt Request 6 IO-5 PU 4k7 5V int. PU 50k 5V in
57 SA8 ISA Address Bus O-5 PU 4k7 5V -
58 IRQ7 ISA Interrupt Request 7 IO-5 PU 4k7 5V int. PU 50k 5V in
59 SA9 ISA Address Bus O-5 PU 4k7 5V -
60 SYSCLK ISA Bus Clock (CLK_SYS_ISA) O-3,3 - -
61 SA10 ISA Address Bus O-5 PU 4k7 5V -
62 REFSH# ISA System Refresh Control IO-5 PU 1k 5V int. PU 50k 5V in
63 SA11 ISA Address Bus O-5 PU 4k7 5V -
64 DREQ1 ISA DMA Request 1 I-5 PU 4k7 5V int. PD 50k
65 SA12 ISA Address Bus O-5 PU 4k7 5V -
66 DACK1# ISA DMA Acknowledge 1 IO-5 PU 4k7 5V int. PU 50k 5V in
67 GND Ground PWR - -
68 GND Ground PWR - -
69 SA13 ISA Address Bus O-5 PU 4k7 5V -
70 DREQ3 ISA DMA Request 3 I-5 PU 4k7 5V int. PD 50k
71 SA14 ISA Address Bus O-5 PU 4k7 5V -
72 DACK3# ISA DMA Acknowledge 3 IO-5 PU 4k7 5V int. PU 50k 5V in
73 SA15 ISA Address Bus O-5 PU 4k7 5V -
74 IOR# ISA I/O Read IO-5 PU 4k7 5V int. PU 50k 5V in
75 SA16 ISA Address Bus O-5 PU 4k7 5V -
76 IOW# ISA I/O Write IO-5 PU 4k7 5V int. PU 50k 5V in
77 SA18 ISA Address Bus O-5 PU 4k7 5V -
78 SA17 ISA Address Bus O-5 PU 4k7 5V -
79 SA19 ISA Address Bus O-5 PU 4k7 5V -
80 SMEMR# ISA System Memory Read IO-5 PU 4k7 5V int. PU 50k 5V in
81 IOCHRDY ISA I/O Channel Ready IO-5 PU 1k 5V int. PU 50k 5V in
82 AEN ISA Address Enable IO-5 PD 47k int. PU 50k 5V in
83 5VCC Power +5V PWR - -
84 5VCC Power +5V PWR - -
85 SD0 ISA Data Bus IO-5 PU 4k7 5V int. PU 50k 5V in
86 SMEMW# ISA System Memory Write IO-5 PU 4k7 5V int. PU 50k 5V in
87 SD2 ISA Data Bus IO-5 PU 4k7 5V int. PU 50k 5V in
88 SD1 ISA Data Bus IO-5 PU 4k7 5V int. PU 50k 5V in
89 SD3 ISA Data Bus IO-5 PU 4k7 5V int. PU 50k 5V in
90 NOWS# ISA No Wait Staits I-5 PU 330R 5V int. PU 50k 5V in
91 DREQ2 ISA DMA Request 2 I-5 PU 4k7 5V int. PD 50k
92 SD4 ISA Data Bus IO-5 PU 4k7 5V int. PU 50k 5V in
93 SD5 ISA Data Bus IO-5 PU 4k7 5V int. PU 50k 5V in
94 IRQ9 ISA Interrupt Request 9 IO-5 PU 4k7 5V int. PU 50k 5V in
95 SD6 ISA Data Bus IO-5 PU 4k7 5V int. PU 50k 5V in
96 SD7 ISA Data Bus IO-5 PU 4k7 5V int. PU 50k 5V in
97 IOCHK# ISA I/O Channel Check I-5 PU 4k7 5V int. PU 50k 5V in
98 RSTDRV ISA Reset O-5 - -
99 GND Ground PWR - -
100 GND Ground PWR - -