ETX-270 User Manual 1.3
www.diamondsystems.com
Page 20
4.2
ETX2 Connector
The 100-pin, high-density ETX2 connector i
mplements 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