Asus CROSSHAIR IV EXTREME User Guide - Page 12

Crosshair IV Formula specifications summary CPU Chipset System Bus Memory Expansion Slots Multi-GPU Technology Storage LAN High Definition Audio xii AMD® Socket AM3; Phenom™ II / Athlon™ II / Sempron™ 100 Series Processors AMD® 140W CPU Support AMD® Cool 'n' Quiet™ Technology Supports 45nm CPU AMD® 890FX / SB850 Up to 5200 MT/s HyperTransport™ 3.0 4 x DIMM, max. 16GB, DDR3 1866(O.C.) / 1800(O.C.) / 1600(O.C.) / 1333 / 1066 MHz,ECC and non-ECC, un-buffered memory Dual channel memory architecture * When you install a total memory of 4 GB capacity or more, Windows® 32-bit operating system may only recognize less than 3 GB. We recommend using a maximum of 3 GB system memory if you are using a Windows® 32-bit OS. ** R efer to www.asus.com or this user manual for the Memory QVL (Qualified Vendors Lists) 3 x PCIe 2.0 x16 slots (dual at x16 or triple at x16 / x8 / x8 mode) 1 x PCIe 2.0 x4 slot 2 x PCI 2.2 slots Support ATI CrossFire™X Technology graphics cards AMD® SB850 chipset - 6 x SATA 6Gb/s ports with RAID 0, 1, 5, and 10 support JMicron® JMB363 controller - 1 x SATA 3Gb/s port (black) - 1 x eSATA 3Gb/s port (SATA-On-the-Go) * Due to the Windows OS limitation, the RAID array with the total capacity over 2TB cannot be set as a boot disk. A RAID array over 2TB can only be set as a data disk only. Marvell® 8059 Gigabit LAN controller GameFirst SupremeFX X-Fi built-in - 8-channel High Definition Audio CODEC - EAX® Advanced™ HD 4.0 - X-Fi CMSS®-3D - X-Fi Crystalizer™ - Creative ALchemy - Supports Blu-ray audio layer content protection - Supports 1 x S/PDIF out header - Supports 1 x Optical S/PDIF out port at back I/O - Supports Jack-detection, Multi-streaming, Front Panel Jack-retasking (continued on the next page)