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User Manual version 2305
APOLLO 120/150 III
6-
85
6.1.5.1. PWR3: ATX Power connector
PWR 3 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
1 10
11 20