Asus DELUXE/WD P8Z77-I User Manual Page 48

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Chapter 1: Product introduction
Chapter 1
For a fully congured system, we recommend that you use a power supply unit
(PSU) that complies with ATX 12 V Specication 2.0 (or later version) and provides a
minimum power of 350 W.
Do not forget to connect the 4-pin/8-pin EATX12 V power plug. Otherwise, the system
will not boot.
We recommend that you use a PSU with a higher power output when conguring a
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.
9. ATX power connectors (24-pin EATXPWR; 8-pin EATX12V)
These connectors are for ATX power supply plugs. The power supply plugs are
designed to t these connectors in only one orientation. Find the proper orientation and
push down rmly until the connectors completely t.
P8Z77-I DELUXE/WD
P8Z77-I DELUXE/WD ATX power connectors
EATXPWR
PIN 1
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
EATX12V
+12V DC
+12V DC
+12V DC
+12V DC
GND
GND
GND
GND
10. Speaker connector (4- pin SPEAKER)
This 4-pin connector is for the chassis-mounted system warning speaker. The speaker
allows you to hear system beeps and warnings.
P8Z77-I DELUXE/WD
+5V
GND
GND
Speaker Out
SPEAKER
PIN 1
P8Z77-I DELUXE/WD Speaker Out Connector
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