The UMI (Unified Media Interface) interconnect is the link between an AMD Accelerated Processing Unit (APU) and the FCH (Fusion Controller Hub).[1] It is similar to Intel's DMI. The Fusion Controller Hub is similar to the Southbridge of earlier chipsets.

References

  1. "AMD Fusion, Brazos, Zacate", Tom’s hardware, 9 November 2010.
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