Asus NCCH-DR NCCH-DR User Manual English Version - Page 51

8 . S S I power connectors (24-pin ATXPWR1, 8- p i n A T X 1 2 V 1) These connectors are for SSI 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. • Use of an SSI 12 V Specification 2.0-compliant power supply unit (PSU) that provides a minimum power of 450 W is recommended for a fully-configured system. • Do not forget to connect the 8-pin ATX +12 V power plug; otherwise, the system will not boot up. • 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. • You must install a PSU with a higher power rating if you intend to install additional devices. 24-pin Power Connector 8-pin GND GND GND GND +3 Volts +3 Volts Ground +5 Volts Ground +5 Volts Ground Power OK +5V Standby +12 Volts +12 Volts +3 Volts +12V CPU1 +12V CPU1 +12V CPU2 +12V CPU2 1 NCCH-DR NCCH-DR Power connectors +3 Volts -12 Volts Ground PSON# Ground Ground Ground -5 Volts +5 Volts +5 Volts +5 Volts Ground For Power Supply with 20-pin Power Connector ASUS NCCH-DR 2-31