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J20: PC104 Connector – 64pin
Pin #
Signal Name Pin # Signal Name
1
IOCHCHK *
3
SD7
5
SD6
7
SD5
9
SD4
11
SD3
13
SD2
15
SD1
17
SD0
19
IOCHRDY
21
AEN
23
SA19
25
SA18
27
SA17
29
SA16
31
SA15
33
SA14
35
SA13
37
SA12
39
SA11
41
SA10
43
SA9
45
SA8
47
SA7
49
SA6
51
SA5
53
SA4
55
SA3
57
SA2
59
SA1
61
SA0
63
GND
Vortex86SX-6154
2
GND
4
RESETDRV
6
VCC
8
IRQ9
10
-5V
12
DRQ2
14
-12V
16
OWS
18
+12V
20
GND
22
SMEMW *
24
SMEMR *
26
IOW *
28
IOR *
30
DACK3 *
32
DRQ3
34
DACK1 *
36
DRQ1
38
REFRESH *
40
SYSCLK
42
IRQ7
44
IRQ6
46
IRQ5
48
IRQ4
50
IRQ3
52
DACK2 *
54
TC
56
BALE
58
VCC
60
OSC
62
GND
64
GND
Vortex86SX™ PC/104 CPU Module
16
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