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INS8145A ATX MB User’s Manual V1.1
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JCOMPWR1-6: COM Port Signal / Power Selection
Jumper Function description
Setting
1
COM port Pin 9 = RI#
1-2 Enabled
2
COM port Pin 9 = +5V
3-4 Enabled
3
COM port Pin 9 = +12V 5-6 Enabled
Default setting is 1-2
2.3 Onboard Connector Pin Assignment
EATXPWR1: 24-pin ATX Power Input Connector
Pin Signal
Pin Signal
1
+3.3V
13 +3.3V
2
+3.3V
14 -12V
3
GND
15 GND
4
+5V
16 PS_ON
5
GND
17 GND
6
+5V
18 GND
7
GND
19 GND
8
POWER OK 20 N/C
9
+5VSB
21 +5V
10 +12V
22 +5V
11 +12V
23 +5V
12 +3.3V
24 GND
ATX12V1: 4-pin ATX Power Input Connector
Pin
Signal
Pin Signal
1
GND
2
GND
3
+12V 4
+12V
13