Posting a link to the exact cpu and ram sticks would help.

Support for Socket AM2+ / AM2 processors: AMD Phenom™ FX / Phenom / Athlon 64 FX / Athlon 64 X2 Dual-Core / Athlon X2 Dual-Core / Athlon 64 / Sempron processor

NVIDIA® GeForce 6100 / nForce 430 or GeForce 6150SE / nForce 430 Chipsets

AMD LIVE!™ Ready

Supports Dual Channel DDR2 1066/800/667/533 (4 x DIMM slots) non-ECC, un-buffered memory, Max. capacity up to 16GB
http://www.asrock.com/mb/overview.as...F6G-VSTA&s=AM2