4-16 Chapter 4: Motherboard information
11. Proprietary power connectors
(20-pin PWR1, 20-pin PWR2, 4-pin PWR3)
These connectors are for Proprietary power supply plugs. The power supply
plugs are designed to t these connectors in only one orientation. Orient the
connectors and push down rmly until they completely t.
The 4-pin PWR3 is designed for hard disk drives power supply. DO NOT
connect other 4-pin power connectors of the power supply unit (PSU) to this
connector.
• Connect either one of the 20-pin power connectors to boot up 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.
• USE THE PROPRIETARY POWER SUPPLY ONLY and ensure that your PSU
can provide at least the minimum power required by your system.
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