Intel ETX CD User Manual
Page 21
4 ETX® connectors
Kontron User's Guide ETX CD
21
Pin 51–100:
[
Power
|
PCI
|
USB
|
AUDIO
]
Pin Signal
Description
Type
Termination
Comment
51
VCC
Power +5V
PWR
-
-
52
VCC
Power +5V
PWR
-
-
53
PAR
PCI Bus Parity
IO-3,3
-
-
54
SERR#
PCI Bus System Error
IO-3,3
PU 8k2 3,3V
-
55
GPERR#
PCI Bus Grant Error
IO-3,3
PU 8k2 3,3V
-
56
nc
-
nc
-
Reserved
57
PME#
PCI Power Management Event
IO-3,3
-
int. PU 20k 3,3V
58
USB2#
USB Data- , Port2
IO-3,3
-
int. PD 15k in ICH7
59
LOCK#
PCI Bus Lock
IO-3,3
PU 8k2 3,3V
-
60
DEVSEL#
PCI Bus Device Select
IO-3,3
PU 8k2 3,3V
-
61
TRDY#
PCI Bus Target Ready
IO-3,3
PU 8k2 3,3V
-
62
USB3#
USB Data- , Port3
IO-3,3
-
int. PD 15k in ICH7
63
IRDY#
PCI Bus Initiator Ready
IO-3,3
PU 8k2 3,3V
-
64
STOP#
PCI Bus Stop
IO-3,3
PU 8k2 3,3V
-
65
FRAME#
PCI Bus Cycle Frame
IO-3,3
PU 8k2 3,3V
-
66
USB2
USB Data+ , Port2
IO-3,3
-
int. PD 15k in ICH7
67
GND
Ground
PWR
-
-
68
GND
Ground
PWR
-
-
69
AD16
PCI Adress & Data Bus line
IO-3,3
-
-
70
CBE2#
PCI Bus Command and Byte enables 2
IO-3,3
-
-
71
AD17
PCI Adress & Data Bus line
IO-3,3
-
-
72
USB3
USB Data+ , Port3
IO-3,3
-
int. PD 15k in ICH7
73
AD19
PCI Adress & Data Bus line
IO-3,3
-
-
74
AD18
PCI Adress & Data Bus line
IO-3,3
-
-
75
AD20
PCI Adress & Data Bus line
IO-3,3
-
-
76
USB0#
USB Data- , Port0
IO-3,3
-
int. PD 15k in ICH7
77
AD22
PCI Adress & Data Bus line
IO-3,3
-
-
78
AD21
PCI Adress & Data Bus line
IO-3,3
-
-
79
AD23
PCI Adress & Data Bus line
IO-3,3
-
-
80
USB1#
USB Data- , Port1
IO-3,3
-
int. PD 15k in ICH7
81
AD24
PCI Adress & Data Bus line
IO-3,3
-
-
82
CBE3#
PCI Command and Byte enables 3
IO-3,3
-
-
83
VCC
Power +5V
PWR
-
-
84
VCC
Power +5V
PWR
-
-
85
AD25
PCI Adress & Data Bus line
IO-3,3
-
-
86
AD26
PCI Adress & Data Bus line
IO-3,3
-
-
87
AD28
PCI Adress & Data Bus line
IO-3,3
-
-
88
USB0
USB Data+ , Port0
IO-3,3
-
int. PD 15k in ICH7
89
AD27
PCI Adress & Data Bus line
IO-3,3
-
-
90
AD29
PCI Adress & Data Bus line
IO-3,3
-
-
91
AD30
PCI Adress & Data Bus line
IO-3,3
-
-
92
USB1
USB Data+ , Port1
IO-3,3
-
int. PD 15k in ICH7
93
PCIRST#
PCI Bus Reset
O-3,3
-
-
94
AD31
PCI Adress & Data Bus line
IO-3,3
-
-
95
INTC#
PCI BUS Interrupt Request C
I-3,3
PU 8k2 3,3V
-
96
INTD#
PCI BUS Interrupt Request D
I-3,3
PU 8k2 3,3V
-
97
INTA#
PCI BUS Interrupt Request A
I-3,3
PU 8k2 3,3V
-
98
INTB#
PCI BUS Interrupt Request B
I-3,3
PU 8k2 3,3V
-
99
GND
Ground
PWR
-
-
100 GND
Ground
PWR
-
-
Note:
The termination resistors in this table are already mounted on the ETX® board. Please refer to the design
guide for information about additional termination resistors.