March Products 120 III (PC620)

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

2 VCC

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