Asus P2-99B P2-99B User Manual - Page 36

III. H/W SETUP Connectors III. HARDWARE SETUP 22. ATX Power Supply Connector (20-pin ATXPWR) This connector connects to an ATX power supply. The plug from the power supply will only insert in one orientation because of the different hole sizes. Find the proper orientation and push down firmly making sure that the pins are aligned. IMPORTANT: Make sure that your ATX power supply can supply at least 10mA on the 5-volt standby lead (+5VSB). You may experience difficulty in powering on your system if your power supply cannot support the load. For Wake-On-LAN support, your ATX power supply must supply at least 720mA. P2-99B R +3.3 Volts -12.0 Volts Ground Power Supply On Ground Ground Ground -5.0 Volts +5.0 Volts +5.0 Volts +3.3 Volts +3.3 Volts Ground +5.0 Volts Ground +5.0 Volts Ground Power Good +5V Standby +12.0 Volts P2-99B ATX Power Connector 23. AT Power Supply Connector (12-pin PS/2) This connector connects to a standard 5 Volt power supply. To connect the leads from the power supply, ensure first that the power supply is not plugged. Most power supplies provide two plugs (P8 and P9), each containing six wires, two of which are black. Orient the connectors so that the black wires are together. P2-99B R P2-99B AT Power Connector PG +12V GND +5V +5V -12V -5V Power Connector on Motherboard ORG RED P8 YLW BLU BLK BLK BLK BLK P9 WHT RED RED RED Power Plugs from Power Supply Using a slight angle, align the plastic guide pins on the lead to their receptacles on the connector. Once aligned, press the lead onto the connector until the lead locks into place. 36 ASUS P2-99B User's Manual