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4.2
General Signal Description
Term
Description
IO-3,3
Bi-directional 3,3 V IO-Signal
IO-5
Bi-directional 5 V IO-Signal
I-3,3
3,3 V Input
I-5
5 V Input
O-3,3
3,3 V Output
O-5
5 V Output
PU
Pull-Up Resistor
PD
Pull-Down Resistor
PWR
Power Connection
Nc
Not Connected / Reserved
4.3
Connector X1 (PCI Bus, USB, Audio)
Pin
Signal
Pin
1
GND
2
3
PCICLK3
4
5
GND
6
7
PCICLK1
8
9
REQ3#
10
11
GNT2#
12
13
REQ2#
14
15
REQ1#
16
17
GNT0#
18
19
VCC *
20
21
SERIRQ
22
23
AD0
24
25
AD1
26
27
AD4
28
29
AD6
30
31
CBE0#
32
33
AD8
34
35
GND
36
37
AD10
38
39
AD11
40
41
AD12
42
43
AD13
44
45
AD14
46
47
AD15
48
49
CBE1#
50
Notes:
* To protect external power lines of peripheral devices, make sure that:
- the wires have the right diameter to withstand the maximum available current
- the enclosure of the peripheral device fulfils the fire-protection requirements of IEC/EN60950
Kontron User's Guide ETX®-CN8
Signal
Pin
GND
51
PCICLK4
53
GND
55
PCICLK2
57
GNT3#
59
3V
61
GNT1#
63
3V
65
RESERVED
67
VCC *
69
REQ0#
71
3V
73
AD2
75
AD3
77
AD5
79
AD7
81
AD9
83
GND
85
AUXAL
87
MIC
89
AUXAR
91
ASVCC
93
SNDL
95
ASGND
97
SNDR
99
18
Signal
Pin
VCC *
52
PAR
54
GPERR#
56
PME#
58
LOCK#
60
TRDY#
62
IRDY#
64
FRAME#
66
GND
68
AD16
70
AD17
72
AD19
74
AD20
76
AD22
78
AD23
80
AD24
82
VCC *
84
AD25
86
AD28
88
AD27
90
AD30
92
PCIRST#
94
INTC#
96
INTA#
98
GND
100
4 ETX® Connectors
Signal
VCC *
SERR#
RESERVED
USB2#
DEVSEL#
USB3#
STOP#
USB2
GND
CBE2#
USB3
AD18
USB0#
AD21
USB1#
CBE3#
VCC *
AD26
USB0
AD29
USB1
AD31
INTD#
INTB#
GND
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