Asus A8N-SLI User Manual Page 50

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Chapter 2: Hardware informationChapter 2: Hardware information
Chapter 2: Hardware informationChapter 2: Hardware information
Chapter 2: Hardware information
8.8.
8.8.
8.
ATX power connectors (24-pin EATXPWR1,ATX power connectors (24-pin EATXPWR1,
ATX power connectors (24-pin EATXPWR1,ATX power connectors (24-pin EATXPWR1,
ATX power connectors (24-pin EATXPWR1,
4-pin ATX12V1, 4-pin EZ_PLUG)4-pin ATX12V1, 4-pin EZ_PLUG)
4-pin ATX12V1, 4-pin EZ_PLUG)4-pin ATX12V1, 4-pin EZ_PLUG)
4-pin ATX12V1, 4-pin EZ_PLUG)
These connectors are for an 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.
Do not forget to connect the 4-pin ATX +12 V power plug;
otherwise, the system will not boot.
When using two graphics cards, do not forget to connect the 4-pin
ATX +12 V power plug to the EZ Plug™; otherwise, the system will
be unstable. See page 6-6 for details.
Use of a power supply unit (PSU) with a higher power output is
recommended when configuring a system with more power-
consuming devices. The system may become unstable or may not
boot up if the power is inadequate.
Make sure that your PSU can provide at least the minimum power
required by your system. See the table below for details.
Power supply requirementsPower supply requirements
Power supply requirementsPower supply requirements
Power supply requirements
Components/ Components/
Components/ Components/
Components/
LoadingLoading
LoadingLoading
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Peripherals Peripherals
Peripherals Peripherals
Peripherals
HeavyHeavy
HeavyHeavy
Heavy
NormalNormal
NormalNormal
Normal
LightLight
LightLight
Light
AMD
®
K8 939-pin CPU type Athlon 64 FX-55 Athlon 64 3800+ Athlon 64 3400+
PCIe™ x16 graphics cards 6800 Ultra x2 6800GT x2 6600GT x2
DDR DIMMs 4 2 2
HDD 4 2 2
Optical drive (DVD/CD-RW) 2 2 1
PCIe™ x 1 card 1 0 0
PCI cards 3 2 1
IEEE 1394 devices 1 0 0
USB devices 6 4 3
Required +12V current
> 25A> 25A
> 25A> 25A
> 25A
> 20A> 20A
> 20A> 20A
> 20A
> 17A> 17A
> 17A> 17A
> 17A
Required wattage
>= 500W>= 500W
>= 500W>= 500W
>= 500W
>= 400W>= 400W
>= 400W>= 400W
>= 400W
>= 350W>= 350W
>= 350W>= 350W
>= 350W
A8N-SLI
®
A8N-SLI ATX power connectors
EATXPWRATX12V
+12V DC GND
+12V DC GND
+3 Volts
+3 Volts
Ground
+5 Volts
+5 Volts
Ground
Ground
Power OK
+5V Standby
+12 Volts
-5 Volts
+5 Volts
+3 Volts
-12 Volts
Ground
Ground
Ground
PSON#
Ground
+5 Volts
+12 Volts
+3 Volts
+5 Volts
Ground
EZ_PLUG
+5V
EZ_DET
GND
+12V
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