Asus RAMPAGE V EXTREME User Guide - Page 60

co -rat. 12. ATX power connectors (24-pin EATXPWR; 4-pin EATX12V_1; 8-pin EATX12V_2; 4-pin EZ_PLUG) fD These connectors are for ATX power supply plugs. The power supply plugs are designed to fit these connectors in only one orientation. Find the proper orientation and push down firmly until the connectors completely fit. CIIEATX12V_2 OEATXPWR 00 0 0 +3 Volts GND • J- +12 Volts +5 Volts 7- 7 +12 Volts +5 Volts +5V Standby +5 Volts Power OK floating GND GND PIN I .z z 0 +5 Volts GND +5 Volts GND GND PSON# 0 EATX12V_1 GND +3 Volts GND -12 Volts 0 0 0 0 00013 +3 Volts PIN +3 Volts Cl fl fl C'l 7 7 7 17 OEZ_PLUG 0z0zz0z0 C2 Q * RAMPAGE V EXTREME ATX power connectors • For a fully configured system, we recommend that you use a power supply unit (PSU) that complies with ATX 12 V Specification 2.0 (or later version) and provides a minimum power of 450 W. • Do not forget to connect the 4-pin/8-pin EATX12 V power plug; otherwise, the system will not boot. • Connect the 4-pin EZ_PLUG power plugs to ensure sufficient power when you install multiple graphics cards. • Use of a PSU with higher power output is recommended when configuring a system with more power-consuming devices. The system may become unstable or may not boot up if the power is inadequate. • If you want to use two or more high-end PCI Express x16 cards, use a PSU with at least 1000W of output power to ensure system stability. 1-42 Chapter 1: Product introduction