Asus P8H61-M LX2 CSM User Manual page 28

2. ATX power connectors (24-pin EATXPWR, 4-pin ATX12V)
These connectors are for ATX power supply plugs. The power supply plugs are
designed to fit these connectors in only one orientation. Find the proper orientation and
push down firmly until the connectors completely fit.
• For a fully configured system, we recommend that you use a power supply unit (PSU)
• DO NOT forget to connect the 4-pin ATX +12V power plug. Otherwise, the system will
• We recommend that you use a PSU with higher power output when configuring a
• If you are uncertain about the minimum power supply requirement for your system,
3. Serial port connector (10-1 pin COM1)
This connector is for a serial (COM) port. Connect the serial port module cable to this
connector, then install the module to a slot opening at the back of the system chassis.
The COM module is purchased separately.
1-18
EATX12V
that complies with ATX 12 V Specification 2.0 (or later version) and provides a minimum
power of 350 W.
not boot up.
system with more power-consuming devices. The system may become unstable or may
not boot up if the power is inadequate.
refer to the Recommended Power Supply Wattage Calculator at http://support.asus.
com/PowerSupplyCalculator/PSCalculator.aspx?SLanguage=en-us for details.
EATXPWR
+3 Volts GND
+12 Volts +5 Volts
+5 Volts
+12 Volts
+5V Standby +5 Volts
Power OK -5 Volts
PIN 1
GND GND
+5 Volts GND
GND GND
PSON#
+5 Volts
GND GND
+3 Volts -12 Volts
+3 Volts +3 Volts
PIN 1
COM1
PIN 1
ASUS P8H61-M LX2 Series