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DIGITAL-LOGIC AG
X101 PC/104+ BUS Interface
Pin
A
1
GND/5.0V KEY2
2
VI/O
3
AD05
4
C/BE0*
5
GND
6
AD11
7
AD14
8
+3.3V
9
SERR*
10
GND
11
STOP*
12
+3.3V
13
FRAME*
14
GND
15
AD18
16
AD21
17
+3.3V
18
IDSEL0
19
AD24
20
GND
21
AD29
22
+5V
23
REQ0*
24
GND
25
GNT1*
26
+5V
27
CLK2
28
GND
29
+12V
30
NC
Notes:
1. The shaded area denotes power or ground signals.
2. The KEY pins are to guarantee proper module installation. Pin-A1 will be removed and the female
side plugged for 5.0V I/O signals and Pin-D30 will be modified in the same manner for 3.3V I/O. It is
recommended that both KEY pins (A1 and D30) be electrically connected to GND for shielding.
DLAG boards have them as NC (not connected).
Onboard used signals (not for external use):
IRQ3, IRQ4
IRQ5
IRQ7
IRQ6
IRQ14
IRQ12
IRQ13
TC
DACK2 and DRQ2
B
Reserved
AD02
GND
AD07
AD09
VI/O
AD13
C/BE1*
GND
NC
+3.3V
TRDY*
GND
AD16
+3.3V
AD20
AD23
GND
C/BE3*
AD26
+5V
AD30
GND
REQ2*
VI/O
CLK0
+5V
INTD*
INTA*
Reserved
COM1 /2
Sound
LPT1
FD
HD
PS/2 Mouse
Coprocessor
FD
FD
MSM800SEV/SEL/BEV/XEV/XEL Detailed Manual V1.7
C
D
+5
AD00
AD01
+5V
AD04
AD03
GND
AD06
AD08
GND
AD10
NC
GND
AD12
AD15
+3.3V
NC
PAR
+3.3V
NC
NC
GND
GND
DEVSEL*
IRDY*
+3.3V
+3.3V
C/BE2*
AD17
GND
GND
AD19
AD22
+3.3V
IDSEL1
IDSEL2
VI/O
IDSEL3
AD25
GND
AD28
AD27
GND
AD31
REQ1*
VI/O
+5V
GNT0*
GNT2*
GND
GND
CLK1
CLK3
GND
+5V
RST*
INTB*
INTC*
Reserved
NC
81
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