format ATX voici un lien
http://www.asrock.com/mb/overview. [...] Dual-SATA2
caractéristiques :
* For Socket 939 AMD Athlon™ 64X2, Athlon 64FX and Athlon 64 processors
* Future CPU Port: Supports CPU upgrade from AMD K8 939-Pin CPU to AM2 940-Pin CPU through AM2 CPU Board (optional)
* FSB 1000 MHz (2.0GT/s), Dual Channel, DDR400
* Hyper-Transport Technology, AMD Cool'n'Quiet Technology
* Hybrid Booster - ASRock Safe Overclocking Technology
* PCI Express x16 slot
* PCI Express x1 slot
* AGP slot
* PCI E SATA2 controller on board, optimizing the support for SATA2 HDD
* Serial ATA 1.5Gb/s, RAID 0,1,JBOD
* 7.1channel Superior Quality Audio, 10/100 Ethernet LAN
* ASRock 8CH I/O: 4 ready-to-use USB2.0 ports, 7.1channel audio jack