20 x101 pc/104+ bus interface, X101 pc/104+ bus interface – Kontron MSM800SEL User Manual
Page 39
MSM800SEV/SEL
/ Connectors & Jumpers
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37
5.1.20 X101 PC/104+ BUS Interface
Pin
A
B
C
D
1
GND/5.0V KEY2
Reserved
+5
AD00
2
VI/O
AD02
AD01
+5V
3
AD05
GND
AD04
AD03
4
C/BE0
AD07
GND
AD06
5
GND
AD09
AD08
GND
6
AD11
VI/O
AD10
NC
7
AD14
AD13
GND
AD12
8
+3.3V
C/BE1
AD15
+3.3V
9
SERR
GND
NC
PAR
10
GND
NC
+3.3V
NC
11
STOP
+3.3V
NC
GND
12
+3.3V
TRDY
GND
DEVSEL
13
FRAME
GND
IRDY
+3.3V
14
GND
AD16
+3.3V
C/BE2
15
AD18
+3.3V
AD17
GND
16
AD21
AD20
GND
AD19
17
+3.3V
AD23
AD22
+3.3V
18
IDSEL0
GND
IDSEL1
IDSEL2
19
AD24
C/BE3
VI/O
IDSEL3
20
GND
AD26
AD25
GND
21
AD29
+5V
AD28
AD27
22
+5V
AD30
GND
AD31
23
REQ0
GND
REQ1
VI/O
24
GND
REQ2
+5V
GNT0
25
GNT1
VI/O
GNT2
GND
26
+5V
CLK0
GND
CLK1
27
CLK2
+5V
CLK3
GND
28
GND
INTD
+5V
RST
29
+12V
INTA
INTB
INTC
30
NC
Reserved
Reserved
NC
Notes:
denotes power or ground signals.
The KEY pins are to guarantee proper module installation. PinA1 will be removed and the female side
plugged for 5.0V I/O signals and PinD30 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.
KCC boards have them as NC (not connected).
Signals used Onboard (not for external use):
IRQ3, IRQ4
COM1 /2
IRQ5
Sound
IRQ7
LPT1
IRQ6
FD
IRQ14
HD
IRQ12
PS/2 Mouse
IRQ13
Coprocessor
TC
FD
DACK2 and DRQ2
FD