Asus A7V8X A7V8X User Manual - Page 47

7. ATX power connectors (20-pin ATXPWR1) 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. Make sure that your 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. ATXPWR1 +3.3VDC -12.0VDC COM PS_ON# COM COM COM ® A7V8X -5.0VDC +5.0VDC +5.0VDC A7V8X ATX Power Connectors +3.3VDC +3.3VDC COM +5.0VDC COM +5.0VDC COM PWR_OK +5VSB +12.0VDC 8. Smart Card Reader connector (14-1 pin SMARTCON1) This connector accommodates an optional Smart Card Reader that allows you to conveniently make transactions such as financial, health care, telephony, or traveling services through a Smart Card user interface software. SMARTCARD1 ® A7V8X 1 A7V8X Smartcard Connector ASUS A7V8X motherboard user guide VCC NC SCPWR# SCRCLK NC GND NC2 NC NC SCRREST NC SCIO SCRRES# 2-21