IBASE MI970 User Manual
Page 24
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INSTALLATIONS
20
MI970 User’s Manual
J2, J4: COM3, COM4 RS232 Serial Ports
Signal Name
Pin #
Pin # Signal Name
DCD#
1
6
DSR#
SIN#
2
7
RTS#
SOUT
3
8
CTS#
DTR#
4
9
RI#
GND
5
X
KEY
J3: ATX Power Supply Connector
Signal Name
Pin #
Pin #
Signal Name
3.3V
11
1
3.3V
-12V
12
2
3.3V
Ground
13
3
Ground
PS-ON
14
4
+5V
Ground
15
5
Ground
Ground
16
6
+5V
Ground
17
7
Ground
-5V
18
8
Power good
+5V
19
9
5VSB
+5V
20
10
+12V
J5: IRDA Connector
1
5
Pin #
Signal Name
1
VCC5
2
KEY
3
SINB
4
GND
5
SOUTB
J6: ATX 12V Power Connector
This connector supplies the CPU operating voltage.
Pin #
Signal Name
1
Ground
2
Ground
3
+12V
4
+12V
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