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 17
ETX-CV User’s Manual Page 17
6.3 Pin Definitions
X1: PCI-bus, USB, & Audio
Pin Signal Pin Signal
1 GND 2 GND
3 PCICLK3 4 PCICLK4
5 GND 6 GND
7 PCICLK1 8 PCICLK2
9 REQ3# 10 GNT3#
11 GNT2# 12 3V
1
13 REQ2# 14 GNT1#
15 REQ1# 16 3V
1
17 GNT0# 18 RSV
19 5VCC 20 5VCC
21 SERIRQ 22 REQ0#
23 AD0 24 3V
1
25 AD1 26 AD2
27 AD4 28 AD3
29 AD6 30 AD5
31 CBE0# 32 AD7
33 AD8 34 AD9
35 GND 36 GND
37 AD10 38 AUXAL
39 AD11 40 MIC
41 AD12 42 AUXAR
43 AD13 44 ASVCC
45 AD14 46 SDNL
47 AD15 48 ASSGND
49 CBE1# 50 SNDR
Pin Signal Pin Signal
51 5VCC 52 5VCC
53 PAR 54 SERR#
55 GPERR 56 RSV
57 PME# 58 USB2-
59 LOCK# 60 DEVSEL#
61 TRDY# 62 USB3-
63 IRDY# 64 STOP#
65 FRAME# 66 USB2+
67 GND 68 GND
69 AD16 70 CBE2#
71 AD17 72 USB3+
73 AD19 74 AD18
75 AD20 76 USB0N
77 AD22 78 AD21
79 AD23 80 USB1-
81 AD24 82 CBE3#
83 5VCC 84 5VCC
85 AD25 86 AD26
87 AD28 88 USB0+
89 AD27 90 AD29
91 AD30 92 USB1+
93 PCIRST# 94 AD31
95 INTC# 96 INTD#
97 INTA# 98 INTB#
99 GND 100 GND
21
99 100
The 3V (3.3 V ±5%) is generated onboard. Pins may be used to power devices on the
carrier board up to a maximum load of 500 mA.
Do not connect the 3V pin to external 3.3V supply power.
X1