This is what your board supports.
CPU - Socket 939 for AMD Athlon™ 64FX / 64X2 / 64 processors
- FSB 1000 MHz (2.0GT/s)
- Supports HyperTransport Technology
- Supports AMD Cool'n'Quiet Technology
Also here is the asrock link for your motherboard.
http://www.asrock.com/mb/overview.as...al-SATA2&s=939
I too have an asrock board , and I really like how easy there website is.