Asus P7H55-V - Manual (Page 32)

1-21 Chapter 1: Product introduction
• For a fully configured system, we recommend that you use a power supply unit (PSU)
that complies with EATX 12 V Specification 2.0 (or later version) and provides a
minimum power of 400 W.
• DO NOT forget to connect the 4-pin/8-pin EATX +12V power plug. Otherwise, the
system will not boot up.
• 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.
3. ATX power connectors (24-pin EATXPWR, 8-pin EATX12V)
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.
4. USB connectors (10-1 pin USB78, USB910, USB1112)
These connectors are for USB 2.0 ports. Connect the USB module cable to any of
these connectors, then install the module to a slot opening at the back of the system
chassis. These USB connectors comply with USB 2.0 specification that supports up to
480 Mbps connection speed.
Never connect a 1394 cable to the USB connectors. Doing so will damage the motherboard!
The USB module cable is purchased separately.
P7H55-V
P7H55-V EATX power connectors
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
EATX12V
PIN 1
+12V DC +12V DC +12V DC +12V DC
GND GND GND GND
P7H55-V
P7H55-V USB2.0 connectors
USB+5V USB_P12- USB_P12+ GND NC
USB+5V
USB_P11- USB_P11+
GND
USB1112
PIN 1
USB+5V USB_P10- USB_P10+ GND NC
USB+5V USB_P9- USB_P9+
GND
USB910
PIN 1
USB+5V USB_P8- USB_P8+ GND NC
USB+5V USB_P7
USB_P7+
GND
USB78
PIN 1