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ASUS Z7S WS 2-37
9. SSI power connectors (24-pin EATXPWR, 8-pin EATX12V, 4-pin ATX12V)
These connectors are for SSI power supply plugs. The power supply plugs
are designed to t these connectors in only one orientation. Find the proper
orientation and push down rmly until the connectors completely t.
Z7S WS
®
Z7S WS ATX power connectors
8-PIN
GND
+12V1
GND
+12V1
GND
+12V4
GND
+12V4
24-PIN Power Connector
EATXPWR
EATX12V
+3 Volts
+3 Volts
Ground
+5 Volts
+5 Volts
Ground
Ground
Power OK
+5V Standby
-5 Volts
+5 Volts
+3 Volts
-12V3
Ground
Ground
Ground
PSON#
Ground
+5 Volts
+12V3
+12V3
+3 Volts
+5 Volts
Ground
ATX12V
+12V2
GND
+12V2
GND
• For a fully congured system, we recommend that you use a power supply
unit (PSU) that complies with ATX 12 V Specication 2.0 (or later version)
and provides a minimum power of 600 W.
• Do not forget to connect the 8-pin EATX12V power plug; otherwise, the
system will not boot.
• If you install only one CPU on the CPU0 socket, you can connect only the
EATXPWR and EATX12V power connectors to boot the system.
• Use of a PSU with a higher power output is recommended when conguring
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 cards, use a PSU with
600W power or above to ensure the system stability.
• 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.