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AlphaPC 164 Connector Pinouts
13
Table 6 ISA Expansion Bus Connector Pinouts (J33, J35)
Pin
Signal
Pin
Signal
Pin
Signal
Pin
Signal
1
Gnd
2
IOCHCK#
3
RSTDRV
4
SD7
5
Vdd
6
SD6
7
IRQ9
8
SD5
9
–5V
10
SD4
11
DRQ2
12
SD3
13
–12V
14
SD2
15
ZEROWS#
16
SD1
17
+12V
18
SD0
19
Gnd
20
IOCHRDY
21
SMEMW#
22
AEN
23
SMEMR#
24
SA19
25
IOW#
26
SA18
27
IOR#
28
SA17
29
DACK3#
30
SA16
31
DRQ3
32
SA15
33
DACK1#
34
SA14
35
DRQ1
36
SA13
37
REFRESH#
38
SA12
39
SYSCLK
40
SA11
41
IRQ7
42
SA10
43
IRQ6
44
SA9
45
IRQ5
46
SA8
47
IRQ4
48
SA7
49
IRQ3
50
SA6
51
DACK2#
52
SA5
53
TC
54
SA4
55
BALE
56
SA3
57
Vdd
58
SA2
59
OSC
60
SA1
61
Gnd
62
SA0
63
MEMCS16#
64
SBHE#
65
IOCS16#
66
LA23
67
IRQ10
68
LA22
69
IRQ11
70
LA21
71
IRQ12
72
LA20
73
IRQ15
74
LA19
75
IRQ14
76
LA18
77
DACK0#
78
LA17
79
DRQ0
80
MEMR#
81
DACK5#
82
MEMW#
83
DRQ5
84
SD8
85
DACK6#
86
SD9
87
DRQ6
88
SD10
89
DACK7#
90
SD11
91
DRQ7
92
SD12
93
Vdd
94
SD13
95
MASTER#
96
SD14
97
Gnd
98
SD15
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