No, your motherboard has to support dual core processors.
What dual core are you looking at? There are core 2 duo and also the netburst dual cores.
If fact ive just had a quick look at the motherboard webpage and it says it supports the netburst dual cores.
" Dual-Core CPU
Enjoy the extraordinary CPU power from the latest dual-core CPU.
The advanced processing technology contains two physical CPU cores with individually dedicated L2 Caches to satisfy the rising demand for more powerful processing capability.
(Refer to ASUSTeK Computer support site for Intel® Pentium D support list)"