Internal Connectors - Asus P5G41-M LX User Manual

1.7.2

Internal connectors

1. 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.
P5G41-M LX ATX power connectors
• For a fully configured system, we recommend that you use a power supply unit (PSU)
• Do not forget to connect the 4-pin ATX12V power plug. Otherwise, the system will not
• We recommend that you use a PSU with a higher power output when configuring a
• If you are uncertain about the minimum power supply requirement for your system,
2. CPU and chassis fan connectors (4-pin CPU_FAN, 3-pin CHA_FAN)
The fan connectors support cooling fans of 350 mA~740 mA (8.88 W max.) or a total of
1 A~2.22 A (26.64 W max.) at +12V. Connect the fan cables to the fan connectors on
the motherboard, ensuring that the black wire of each cable matches the ground pin of
the connector.
Do not forget to connect the fan cables to the fan connectors. Insufficient air flow inside the
system may damage the motherboard components. These are not jumpers! Do not place
jumper caps on the fan connectors!
P5G41-M LX
P5G41-M LX fan connectors
1-12
ATX12V
P5G41-M LX
that complies with ATX 12 V Specification 2.0 (or later version) and provides a minimum
power of 400 W.
boot.
system with more power-consuming devices or when you intend to install additional
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.
CPU_FAN
CHA_FAN
EATXPWR
+3 Volts GND
+12 Volts +5 Volts
+12 Volts +5 Volts
+5V Standby +5 Volts
Power OK -5 Volts
GND GND
PIN 1
+5 Volts GND
GND GND
+5 Volts PSON#
GND GND
+3 Volts -12 Volts
+3 Volts +3 Volts
PIN 1
GND
CPU FAN PWR
CPU FAN IN
CPU FAN PWM
GND
+12V
Rotation
Only the 4-pin CPU fan supports
the ASUS Q-Fan feature.
Chapter 1: Product introduction