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ETX-945 User Manual 1.00 www.diamondsystems.com Page 20
4.2 ETX2 Connector
The 100-pin, high-density ETX2 connector implements the board’s ISA bus signals, as indicated in the table
below. For further information on the module’s ISA bus signals, refer to the ETX 3.0 Specification.
GND
1
2
GND
VCC
51
52
VCC
SD14
3
4
SD15
SA6
53
54
IRQ5
SD13
5
6
MASTER#
SA7
55
56
IRQ6
SD12
7
8
DREQ7
SA8
57
58
IRQ7
SD11
9
10
DACK7#
SA9
59
60
SYSCLK
SD10
11
12
DREQ6
SA10
61
62
REFSH#
SD9
13
14
DACK6#
SA11
63
64
DREQ1
SD8
15
16
DREQ5
SA12
65
66
DACK1#
MEMW#
17
18
DACK5#
GND
67
68
GND
MEMR#
19
20
DREQ0
SA13
69
70
DREQ3
LA17
21
22
DACK0#
SA14
71
72
DACK3#
LA18
23
24
IRQ14
SA15
73
74
IOR#
LA19
25
26
IRQ13
SA16
75
76
IOW#
LA20
27
28
IRQ12
SA18
77
78
SA17
LA21
29
30
IRQ11
SA19
79
80
SMEMR#
LA22
31
32
IRQ10
IOCHRDY
81
82
AEN
LA23
33
34
IO16#
VCC
83
84
VCC
GND
35
36
GND
SD0
85
86
SMEMW
SBHE#
37
38
M16#
SD2
87
88
SD1
SA0
39
40
OSC
SD3
89
90
NOWS#
SA1
41
42
BALE
DREQ2
91
92
SD4
SA2
43
44
TC
SD5
93
94
IRQ9
SA3
45
46
DACK2#
SD6
95
96
SD7
SA4
47
48
IRQ3
IOCHK#
97
98
RSTDRV
SA5
49
50
IRQ4
GND
99
100
GND