AMD Socket AM2+ / AM2 Processors for AMD® Phenom™ FX / Phenom™ / Athlon™ / Sempron™ processors AMD Cool 'n' Quiet™ Technology Supports CPU up to 140W
Chipset
AMD 790FX/SB750
System Bus
Up to 5200 MT/s Up to 5200 MT/s HyperTransport™ 3.0 interface for AM2+ CPU 2000 / 1600 MT/s for AM2 CPU
Memory
4 x240-pin DIMM, Max. 16 GB, DDR2 1066/800/667 Memory Dual Channel memory architecture *Due to AMD CPU limitation, DDR2 1066 is supported by AM2+ CPU for one DIMM per channel only. Refer to www.asus.com for the memory QVL (Qualified Vendors Lists). **Due to OS limitation, when installing total memory of 4GB capacity or more, Windows® 32-bit operation system may only recognize less than 3GB. Hence, a total installed memory of less than 3GB is recommended.
Expansion Slots
4 x PCIe 2.0 x16 slots with ATI CrossFireX™ support (@ dual x16, triple x16 / x8 / x8, or quad x8 modes) 2 x PCI 2.2
CrossFire
Supports ATI CrossFireX™ graphics cards; up to Quad CrossFireX™
Storage
Southbridge 1 xUltraDMA 133/100/66 6 xSATA 3 Gb/s ports Support RAID 0,1,5,10 Marvell® 88SE6111 SATA controller 1 x External SATA 3Gb/s port (SATA On-the-Go)
LAN
Marvell® 88E8056 Gigabit LAN controller featuring AI NET 2
Audio
ADI® AD2000B 8 -Channel High Definition Audio CODEC - Supports Jack-Detection, Multi-Streaming, and Front Panel Jack-Retasking - Coaxial / Optical S/PDIF Out ports at back I/O - ASUS AI Audio 2 - ASUS Noise Filtering
IEEE 1394
LSI® L-FW3227 controller supports 2 x 1394a ports (1 at mid-board; 1 at back panel)