Asus K8N K8N User Guide - Page 30

ATX power connectors 20-pin ATXPWR, 4-pin ATX12V, Internal audio connectors 4-pin CD, AUX

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3. ATX power connectors (20-pin ATXPWR, 4-pin ATX12V) These connectors connect to an ATX 12V power supply. The plugs from the power supply are designed to fit these connectors in only one orientation. Find the proper orientation and push down firmly until the connectors completely fit. In addition to the 20-pin ATX power connector, this motherboard requires that you connect the 4-pin ATX +12V power plug to provide sufficient power to the CPU. Make sure that your ATX 12V power supply can provide 8A on the +12V lead and at least 1A on the +5-volt standby lead (+5VSB). The minimum recommended wattage is 300W or 350W for a fully configured system. The system may become unstable and may experience difficulty powering up if the power supply is inadequate. ® K8N ATX12V ATXPWR GND +12V DC GND +12V DC Pin 1 +12.0VDC +5VSB PWR_OK COM +5.0VDC COM +5.0VDC COM +3.3VDC +3.3VDC +5.0VDC +5.0VDC -5.0VDC COM COM COM PS_ON# COM -12.0VDC +3.3VDC K8N ATX power connectors 4. Internal audio connectors (4-pin CD, AUX) These connectors allow you to receive stereo audio input from sound sources such as a CD-ROM, TV tuner, or MPEG card. ® K8N CD (Black) AUX (White) Right Audio Channel Ground Left Audio Channel K8N Internal audio connectors 1-20 Chapter 1: Product introduction

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1-20
Chapter 1: Product introduction
3.
ATX power connectors (20-pin ATXPWR, 4-pin ATX12V)
These connectors connect to an ATX 12V power supply. The plugs from the
power supply are designed to fit these connectors in only one orientation. Find
the proper orientation and push down firmly until the connectors completely fit.
In addition to the 20-pin ATX power connector, this motherboard requires that
you connect the 4-pin ATX +12V power plug to provide sufficient power to the
CPU.
Make sure that your ATX 12V power supply can provide 8A on the +12V lead
and at least 1A on the +5-volt standby lead (+5VSB). The minimum
recommended wattage is 300W or 350W for a fully configured system. The
system may become unstable and may experience difficulty powering up if the
power supply is inadequate.
4.
Internal audio connectors (4-pin CD, AUX)
These connectors allow you to receive stereo audio input from sound sources
such as a CD-ROM, TV tuner, or MPEG card.
K8N
K8N ATX power connectors
ATXPWR
ATX12V
Pin 1
+3.3VDC
-12.0VDC
COM
PS_ON#
COM
COM
COM
-5.0VDC
+5.0VDC
+5.0VDC
PWR_OK
+12.0VDC
+3.3VDC
+3.3VDC
COM
+5.0VDC
COM
+5.0VDC
COM
+5VSB
+12V DC
GND
+12V DC
GND
K8N
K8N Internal audio connectors
AUX (White)
Right Audio Channel
Left Audio Channel
Ground
CD (Black)