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38 ASUS CUSI-FX User’s Manual
3. HARDWARE SETUP
Connectors
3. H/W SETUP
27) ATX Power Supply Connector (20-pin block ATXPWR)
This connector connects to an ATX power supply. The plug from the power sup-
ply will only insert in one orientation because of the different hole sizes. Find the
proper orientation and push down firmly making sure that the pins are aligned.
IMPORTANT: Make sure that your ATX power supply (minimum recommended
wattage: 200 watts; 235W for a fully-configured system) can supply at least 20
amperes on the +5-volt lead and at least 10mA (750mA recommended) on the +5-
volt standby lead (+5VSB). Your system may become unstable/unreliable and may
experience difficulty in powering up if your power supply is inadequate. For Wake-
On-LAN support, your ATX power supply must supply at least 750mA +5VSB.
01
CUSI-FX
®
CUSI-FX ATX Power Connector
+3.3 Volts
-12.0 Volts
Ground
Power Supply On
Ground
Ground
Ground
NC
+5.0 Volts
+5.0 Volts
Power Good
+12.0 Volts
+3.3 Volts
+3.3 Volts
Ground
+5.0 Volts
Ground
+5.0 Volts
Ground
+5V Standby
28) Power Supply Thermal Sensor Connector (2-pin PWRTMP)
If you have a power supply with thermal monitoring, connect its thermal sensor
cable to this connector.
01
CUSI-FX Thermal Sensor Connector
PWRTMP
Power Supply Thermal Sensor