Asus A8V-MX 939 VIA K8M800 DDR400 Motherboard. This motherboard supports AMD 939-pin Athlon 64 FX/ Athlon 64 processors with 1MB/512KB L2 cache which is based on 64-bit architecture. It features 1600 MT/s HyperTransport Bus, dual-channel un-buffered DDR400 memory support and AMD Cool 'n' Quiet! Technology.
   


Specifications:

CPU
Athlon 64 X2 / Athlon 64 FX / Athlon 64 / Sempron Processor     

Chipset
North Bridge
VIA K8M800
South Bridge
VIA VT8251

Front Side Bus
800MHz Hyper Transport (1600MT/s)

Memory
2×184pin DDR 400 2GB Max
Dual Channel memory architecture

Expansion Slots
1.0 x PCIe x1,
2.0 x PCI,
1.0 x AGP 8x,
2.0 x DIMM 184-pin,
1.0 x CPU 

Storage
4 x SATA 3 Gb/s ports support RAID 0/1/0+1/JBOD  
2 x ATA100 4 Dev. Max

LAN
Realtek RTL8201CL

Audio
Realtek ALC653
6 Channels     

USB Ports
4 USB 2.0

BIOS
ACPI 2.0 support,
SMBIOS 2.3 support,
WfM 2.0 support,
DMI support          

Back I/O Ports
1.0 x Serial - Mini-jack,
1.0 x Parallel - Mini-jack,
1.0 x Audio line-out (rear)/line-in - Mini-jack,
4.0 x PS/2 mouse,
1.0 x LAN,
1.0 x VGA,
1.0 x USB 2.0,
1.0 x Audio line-out,
1.0 x Audio line-out (center/subwoofer)/microphone,
1.0 x PS/2 keyboard

Form Factor
mATX Form Factor
9.6" x 8.6"