I was wrong in my first post...
Here's the details on your board.
* Socket 754
* Supports the following processors:
o AMD Athlon 64 3700+ processor (Clawhammer, 2.4 GHz)
o AMD Athlon 64 3400+ processor (Newcastle, 2.4 GHz)
o AMD Sempron
Memory type PC 2700 or PC 3200 DDR
Memory sockets 2 x 184-pin DDR DIMM
Maximum Memory 2.0 GB