ꢂ PC1: 64-pin PC/104 Expansion Slot
PIN Description PIN Description
Connector diagram
rotated 90 degrees
clockwise from
1
IOCHECK*
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
GND
RESETDRV
+5V
2
SD7
original position
3
SD6
4
SD5
IRQ9
5
SD4
-5V
1
33
6
SD3
DRQ2
-12V
7
SD2
8
SD1
NOW*
+12V
9
SD0
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
IOCHRDY
AEN
GND
SMEMW*
SMEMR*
IOW*
SA19
SA18
SA17
SA16
SA15
SA14
SA13
SA12
SA11
SA10
SA9
IOR*
DACK3*
DRQ3
DACK1*
DRQ1
REFRESH*
SYSCLK
IRQ7
IRQ6
SA8
IRQ5
SA7
IRQ4
SA6
IRQ3
SA5
DACK2*
TC
SA4
SA3
BALE
+5V
SA2
SA1
OSC
SA0
N/C
32
64
GND
GND
28