Asus P5WDG2 WS Professional User Manual page 66

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Important notes on motherboard power requirements
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2-40
You may use a 4-pin ATX12V
power plug for this connector.
Make sure to remove the cap on
the connector before connecting
an 8-pin EPS +12V power plug.
Use only either a 4-pin ATX12V
or an 8-pin EPS +12V power plug.
Connecting other power plug types
may cause serious damage to the
system.
For a fully configured system, we recommend that you use a power
supply unit (PSU) that complies with ATX 12 V Specification 2.0 (or
later version) and provides a minimum power of 400 W.
Do not forget to connect the 8-pin/4-pin EATX12 V power plug;
otherwise, the system will not boot up.
Make sure that the PSU can support at least 8 A on the +12V_1
lead and 13 A on the +12V_2 lead.
Use of a 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.
If you want to use two high-end PCI Express x16 graphics cards, use
a PSU with 450 to 500 W power to ensure system stability.
To support an Intel
®
sure that the PSU can provide at least DC 16A (peak 22A) on the
+12V_2 lead.
Dual-Core CPU up to 840 Extreme Edition, make
Chapter 2: Hardware information
ATX12V
Remove the cap
before using an
8-pin power plug
Connect a
4-pin power
plug here