oh, an my motherboard is an ECS C51GM
bios id: 07/11/2006-C51GM-M-6A61HE1BC-00 (Award 07/11/06)
other places in EVEREST report the graphics/3d as "nVIDIDA C51"
Video BIOS Date: 06/06/06 (yes! now that i remember, i seem to recall the pc bootup POST screen
mumbling something about a beta or engineering version of video BIOS... hmmmm, wonder if a BIOS
update is in order... but no matter, utility programs should gracefully recover