DIGITAL-LOGIC MICROSPACE PC/104 Technical User's Manual page 40

DIGITAL-LOGIC AG
J1 PC/104 BUS Interface
Pin A:
0
1 IOCHCK
2 SD7
3 SD6
4 SD5
5 SD4
6 SD3
7 SD2
8 SD1
9 SD0
10 IOCHRDY
11 AEN
12 SA19
13 SA18
14 SA17
15 SA16
16 SA15
17 SA14
18 SA13
19 SA12
20 SA11
21 SA10
22 SA9
23 SA8
24 SA7
25 SA6
26 SA5
27 SA4
28 SA3
29 SA2
30 SA1
31 SA0
32 Ground
Onboard used signals (not for external use)
IRQ3, IRQ4
IRQ7
IRQ6
IRQ14
IRQ12
IRQ13
TC
DACK2 and DRQ2
B:
Ground
RESET
+5V
IRQ9
NC
DRQ2
(-12V)
NC
+12V
Ground
SMEMW
SMEMR
IOW
IOR
DACK3
DRQ3
DACK1
DRQ1
REF
SYSCLK
IRQ7
IRQ
IRQ5
IRQ4
IRQ3
DACK2
TC
BALE
+5 Volt
OSC
Ground
Ground
COM1 /2
LPT1
FD
HD
PS/2 Mouse (if option is available)
Coprocessor (if soldered)
FD
FD
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MSM486V Manual V3.22
C: D:
Ground Ground
SBHE MEMCS16
LA23 IOCS16
LA22 IRQ10
LA21 IRQ11
LA20 IRQ12
LA19 IRQ15
LA18 IRQ14
LA17 DACK0
MEMR DRQ0
MEMW DACK5
SD8 DRQ5
SD9 DACK6
SD10 DRQ6
SD11 DACK6
SD12 DRQ7
SD13 +5 Volt
SD14 MASTER
SD15 Ground
Ground Ground