Nvidia uses it as an interconnect in their chipsets, for connecting the Southbridge and Northbridge. Apple used to use it in the same manner with their G5 systems. (Obviously that's not the case now, with Intel chipsets being used.)
Nvidia uses it as an interconnect in their chipsets, for connecting the Southbridge and Northbridge. Apple used to use it in the same manner with their G5 systems. (Obviously that's not the case now, with Intel chipsets being used.)