User manual

 Chapter 3: Motherboard info
7. ATX power connectors (24-pin EATXPWR, 4-pin ATX12V)
These connectors are for ATX power supply plugs. The plugs from the power


•  
system will not boot.
• Use of a PSU with a higher power output is recommended when

may become unstable or may not boot up if the power is inadequate.
• Ensure that your power supply unit (PSU) can provide at least the minimum
power required by your system.
8. Internal audio connectors (4-pin CD)
This connector allows you to receive stereo audio input from sound sources

M 3R 7 8 L
R
M3R78L ATX Power Connector
+12V DC
GND
+12V DC
GND
ATX12V
+3 Volts +3 Volts Ground +5 Volts +5 Volts Ground Ground Power OK +5V Standby +12 Volts
-5 Volts
+5 Volts +3 Volts
-12 Volts
Ground Ground Ground
PSON#
Ground
+5 Volts
+12 Volts +3 Volts
+5 Volts
Ground
EATXPWR
M 3R 7 8 L
R
M3R78L Internal Audio Connector
CD
(black)
Right Audio Channel
Left Audio Channel
Ground
Ground
