
Originally Posted by
BeepBeep2
The problem here is the lack of a suitable chipset, lazy board designers / marketing decisions.
Most, if not all micro-ATX designs were based on the RS780/RS880 chipsets which were smaller 528-pin FCBGA packages vs the 720-pin FCBGA of RD790/890/990.
Up until 9-series, there had essentially been a drop in upgrade and tweak for the Micro-ATX boards as far as new chipsets (890GX vs 790GX) based on the 528-pin package, nobody wants to completely redesign a board for the 720-pin package.