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Pin 51–100: ISA BUS
Pin
Signal
Description
51
VCC
Power +5V
52
VCC
Power +5V
53
SA6
ISA Adress Bus
54
IRQ5
ISA Interrupt Request 5
55
SA7
ISA Adress Bus
56
IRQ6
ISA Interrupt Request 6
57
SA8
ISA Adress Bus
58
IRQ7
ISA Interrupt Request 7
59
SA9
ISA Adress Bus
60
SYSCLK
ISA Bus Clock (CLK_SYS_ISA)
61
SA10
ISA Adress Bus
62
REFSH#
ISA System Refresh Control
63
SA11
ISA Adress Bus
64
DREQ1
ISA DMA Request 1
65
SA12
ISA Adress Bus
66
DACK1#
ISA DMA Acknowledge 1
67
GND
Ground
68
GND
Ground
69
SA13
ISA Adress Bus
70
DREQ3
ISA DMA Request 3
71
SA14
ISA Adress Bus
72
DACK3#
ISA DMA Acknowledge 3
73
SA15
ISA Adress Bus
74
IOR#
ISA I/O Read
75
SA16
ISA Adress Bus
76
IOW#
ISA I/O Write
77
SA18
ISA Adress Bus
78
SA17
ISA Adress Bus
79
SA19
ISA Adress Bus
80
SMEMR#
ISA System Memory Read
81
IOCHRDY
ISA I/O Channel Ready
82
AEN
ISA Adress Enable
83
VCC
Power +5V
84
VCC
Power +5V
85
SD0
ISA Data Bus
86
SMEMW#
ISA System Memory Write
87
SD2
ISA Data Bus
88
SD1
ISA Data Bus
89
SD3
ISA Data Bus
90
NOWS#
ISA No Wait Staits
91
DREQ2
ISA DMA Request 2
92
SD4
ISA Data Bus
93
SD5
ISA Data Bus
94
IRQ9
ISA Interrupt Request 9
95
SD6
ISA Data Bus
96
SD7
ISA Data Bus
97
IOCHK#
ISA I/O Channel Check
98
RSTDRV
ISA Reset
99
GND
Ground
100
GND
Ground
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.
Kontron User's Guide ETX®-CN8
Type
Termination
PWR
-
PWR
-
O-5
-
I-5
PU 4K7 5V
O-5
-
I-5
PU 4K7 5V
O-5
-
I-5
PU 4K7 5V
O-5
-
O-3,3
-
O-5
-
IO-5
PU 1k 5V
O-5
-
I-5
PD 47k
O-5
-
IO-5
-
PWR
-
PWR
-
O-5
-
I-5
PU 4K7 5V
O-5
-
IO-5
-
O-5
-
IO-5
PU 4K7 5V
O-5
-
IO-5
PU 4K7 5V
O-5
-
O-5
-
O-5
-
IO-5
PU 4K7 5V
IO-5
PU 1k 5V
IO-5
-
PWR
-
PWR
-
IO-5
PU 4K7 5V
IO-5
PU 47k 5V
IO-5
PU 4K7 5V
IO-5
PU 4K7 5V
IO-5
PU 4K7 5V
I-5
PU 1K 5V
I-5
PD 4K7
IO-5
PU 4K7 5V
IO-5
PU 4K7 5V
I-5
PU 4K7 5V
IO-5
PU 4K7 5V
IO-5
PU 4K7 5V
I-5
PU 4K7 5V
O-5
-
PWR
-
PWR
-
24
4 ETX® Connectors
Comment
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Bootstrap PD 4k7
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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