1-19Chapter 1: Product introduction
power of 350 W.
•
DO NOT forget to connect the 4-pin ATX +12V power plug. Otherwise, the system will
not boot up.
system with more power-consuming devices. The system may become unstable or may
not boot up if the power is inadequate.
•
If you are uncertain about the minimum power supply requirement for your system,
refer to the Recommended Power Supply Wattage Calculator at http://support.asus.
com/PowerSupplyCalculator/PSCalculator.aspx?SLanguage=en-us for details.
2. ATX power connectors (24-pin EATXPWR, 4-pin ATX12V)
These connectors are for ATX power supply plugs. The power supply plugs are
P8H61-I LX R2.0 ATX power connectors
ATX12V
PIN 1
+12V DC
+12V DC
GND
GND
EATXPWR
PIN 1
GND
+5 Volts
+5 Volts
+5 Volts
-5 Volts
GND
GND
GND
PSON#
GND
-12 Volts
+3 Volts
+3 Volts
+12 Volts
+12 Volts
+5V Standby
Power OK
GND
+5 Volts
GND
+5 Volts
GND
+3 Volts
+3 Volts
P8H61-I LX R2.0
3. Speaker connector (4-pin SPEAKER)
The 4-pin connector is for the chassis-mounted system warning speaker. The speaker
allows you to hear system beeps and warnings.
P8H61-I LX R2.0
P8H61-I LX R2.0 Speaker Out Connector
+5V
GND
GND
Speaker Out
SPEAKER
PIN 1
