March Products 120 III (PC620) User Manual
Page 64
User Manual version 2503
LIBRA 120 III (PC620 Intel 815E)
4-54
4.1.5.1. ATXP1: ATX Power connector
ATXP1 is a standard ATX power connector. This connector is
provided to connect to an ATX power supply. The plug of the
power supply will only insert in one orientation due to the
different hole size. Find the proper orientation and push
down the power connector firmly to make sure the pins are
aligned. Its pin assignments are listed below:
Pin # Signal
Pin # Signal
1
3.3V
11 3.3V
2
3.3V
12 -12V
3
GND
13 GND
4
+5V
14 PSON#
5
GND
15 GND
6
+5V
16 GND
7
GND
17 GND
8
PWROK
18 -5V
9
SB5V
19 +5V
10 +12V
20 +5V
4.1.5.2. CN1: Touchscreen Power Connector
Pin # Signal
1
GND
2
VCC
4.1.5.3. PWR1: CD-ROM Power Connector
Pin # Signal
1
+12V
GND
GND
2
VCC
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