Asus K8U-X K8U-X User's Manual for English Edition - Page 31

2. Floppy disk drive connector (34-1 pin FLOPPY) This connector supports the provided floppy drive ribbon cable. After connecting one end to the motherboard, connect the other end to the floppy drive. (Pin 5 is removed to prevent incorrect insertion when using ribbon cables with pin 5 plug). K8U-X Note: Orient the red markings on the floppy ribbon cable to PIN 1. FLOPPY R PIN 1 K8U-X Floppy disk drive connector 3. ATX power connectors (20-pin ATXPWR, 4-pin ATX12V) 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 300W or 350W for a fully configured system. The system may become unstable and may experience difficulty powering up if the power supply is inadequate. K8U-X ATXPWR ATX12V Pin 1 +12.0VDC +5.0VDC +12V DC +12V DC +5VSB +5.0VDC GND GND PWR_OK -5.0VDC COM COM +5.0VDC COM COM COM +5.0VDC PS_ON# ® COM COM +3.3VDC -12.0VDC +3.3VDC +3.3VDC K8U-X ATX power connectors Please donʼt forget to connect with 4-pin ATX +12V power plug supply, or system will not startup. ASUS K8U-X Motherboard 1-21