2-38 Chapter 2: Hardware informationBLITZ FORMULA®BLITZ FORMULA Digital audio connector+5VSPDIFOUTGNDSPDIF_OUT10. Digital audio connector (4-1 pin SPDIF_OUT for ASUS HDMI VGA card)This connector is for an additional Sony/Philips Digital Interface (S/PDIF)port(s). If you are using an ASUS HDMI-equipped graphics card, connect theHDMI card to this connector with a S/PDIF Out cable.The ASUS HDMI-equipped graphics card and the S/PDIF Out cable arepurchased separately.• For a fully configured system, we recommend that you use a power supplyunit (PSU) that complies with ATX 12 V Specification 2.0 (or later version)and provides a minimum power of 400 W.• Do not forget to connect the 4-pin/8pin EATX12V power plug; otherwise,the system will not boot.• Use of a PSU with a higher power output is recommended whenconfiguring a system with more power-consuming devices. The systemmay become unstable or may not boot up if the power is inadequate.• The ATX 12 V Specification 2.0-compliant (400W) PSU has been testedto support the motherboard power requirements with the followingconfiguration:CPU: Intel ® Pentium ® Extreme 3.73GHzMemory: 512 MB DDR2 (x4)Graphics card: ASUS EAX1900XTParallel ATA device: IDE hard disk driveSerial ATA device: SATA hard disk drive (x2)Optical drive: DVD-RW• If you want to use two high-end PCI Express x16 cards, use a PSU with500W to 600W power or above to ensure the system stability.
