Asus P4GE-VM P4GE-VM user manual E1251 - Page 28

4. Serial port 2 connector (10-1 pin COM2) This connector accommodates a second serial port using an optional serial port bracket. Connect the bracket cable to this connector then install the bracket into a slot opening at the back of the system chassis. The COM2 bracket is purchased separately. ® COM2 PIN 1 P4GE-VM P4GE-VM Serial COM2 Bracket 5. ATX power connectors (20-pin ATX_POWER1, 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. In addition to the 20-pin ATXPWR connector, this motherboard requires that you connect the 4-pin ATX +12V power plug to provide sufficient power to the CPU. 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. ® ATX_POWER1 P4GE-VM ATX12V +12V DC GND +12V DC GND P4GE-VM ATX Power Connectors Pin 1 +12.0VDC +5VSB PWR_OK GND +5.0VDC GND +5.0VDC GND +3.3VDC +3.3VDC +5.0VDC +5.0VDC -5.0VDC GND GND GND PS_ON# GND -12.0VDC +3.3VDC 1-18 Chapter 1: Product introduction