User`s manual
42
2
Hardware Installation
Power Connectors
Use a power supply that complies with the ATX12V Power Supply Design Guide
Version1.1.AnATX12Vpowersupplyunithasastandard24-pinATXmainpower
connectorthatmustbeinsertedintothe24-pinconnector.The8-pin+12Vpower
connector enables the delivery of more +12VDC current to the processor’s Volt-
ageRegulatorModule(VRM).
The power connectors from the power supply unit are designed to t the 24-pin
and8-pin connectors inonlyoneorientation. Makesureto nd the properorien-
tationbeforepluggingtheconnectors.
Thesystemboardrequiresaminimumof300Wattpowersupplytooperate.Your
system conguration (CPU power, amount of memory, add-in cards, peripherals,
etc.) may exceed the minimum power requirement. To ensure that adequate
poweris provided, we stronglyrecommendthatyouuse a minimumof400Watt
(orgreater)powersupply.
Important:
Insufcient power supplied to the system may result in instability or
the add-in boards and peripherals not functioning properly. Calculating
the system’s approximate power usage is important to ensure that the
powersupplymeetsthesystem’sconsumptionrequirements.
Ground
ATXpower
12Vpower
12V
8
5
4
1
24
12
13
1
+3.3VDC
-12VDC
GND
PS_ON#
GND
GND
GND
NC
+5VDC
+5VDC
+5VDC
GND
+3.3VDC
+3.3VDC
GND
+5VDC
GND
+5VDC
GND
PWR_OK
+5VSB
+12VDC
+12VDC
+3.3VDC