On Wednesday 22 June 2005 19:10, Bryan J. Smith <b.j.smith at ieee.org> wrote: > Technically, all mainboards should support dual-core Opterons. Should... Hate that word... Via was the only ones that officially stated that the K8T890 chipset has issues with dual core - but there are rumors out there that some early NForce4(pro, 2200, whatever variant) chips share the same issue. > But the market reality is why give consumers a BIOS update when > you can charge for a new mainboard? ;-> Unfortunately you're on the money with that one. I scored some dual core chips from AMD and all boards I used except the newer Tyan ones don't have bios updates available... Peter.