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There has been speculation that this was the case with reports surfacing about Google's acquisition of Agnilux, a company thought to be developing power-efficient processors whose founders have ARM architecture experience. A second pointer came in the form of a job advertisement posted by Microsoft.

ARM has built up its IP licensing business with a series of processor cores designed principally for client-side computing, but ARM's CEO said the architecture as it stands is also suitable for server applications.

"The architecture can support server application as it is. The implementations [of ARM] have traditionally been aimed at relatively low performance optimized for minimum power consumption. But we are seeing higher speed, multicore implementations now pushing up to 2-GHz. The main difference for a server processor is the addition of high-speed communications interfaces."