Asus A7V8X-MX SE A7V8X-MX SE User's Manual - Page 26

3. Digital audio connector (4-1 pin SPDIF) This connector is for an optional S/PDIF audio module that allows digital instead of analog sound input and output. SPDIF +5V SPDIFOUT GND ® A7V8X-MX SE A7V8X-MX SE Digital Audio Connector • When you input sound for S/PDIF IN, the LINE_OUT will output the sound. Mute LINE_OUT to impede sound output from S/PDIF IN. • The S/PDIF module is purchased separately. 4. ATX power connectors (20-pin ATXPWR) These connectors connect to an ATX 12V power supply. The plugs from the power supply are designed to fit these connectors in only one orientation. Find the proper orientation and push down firmly until the connectors completely fit. ATXPWR ® A7V8X-MX SE +12.0VDC +5VSB PWR_OK COM +5.0VDC COM +5.0VDC COM +3.3VDC +3.3VDC +5.0VDC +5.0VDC -5.0VDC COM COM COM PS_ON# COM -12.0VDC +3.3VDC A7V8X-MX SE ATX Power Connector If you will need to replace the power supply in the future, make sure that your new ATX 12V power supply can provide 8A on the +12V lead and at least 1A on the +5-volt standby lead (+5VSB). The minimum recommended wattage is 230W, or 300W for a fully configured system. The system may become unstable and may experience difficulty powering up if the power supply is inadequate. 1-18 Chapter 1: Product introduction