Just look for a 915 chipset Socket 478 board with 4 DDR SDRAM slots (as opposed to DDR2). There are a couple on the market, I believe the ones wusy mentioned match that discription.
<font color=blue>Only a place as big as the internet could be home to a hero as big as Crashman!</font color=blue>
<font color=red>Only a place as big as the internet could be home to an ego as large as Crashman's!</font color=red>