AMD reveals Torrenza socket compatibility plans

AMD reveals Torrenza socket compatibility plans

AMD released further details of its Torrenza project, which will allow server manufacturers to put accelerator chips for some tasks right on the motherboard.

PARIS: AMD has released further details of its Torrenza project, which will one day allow server manufacturers to optimise servers for specific tasks by placing accelerator chips right on the motherboard.

Since unveiling Torrenza in June, AMD had been working on the specifications of a new physical interface that chip manufacturers could use to develop custom accelerator chips that would plug into a server motherboard, alongside or in place of an AMD processor, AMD's divisional manager for acceleration strategy, Doug O'Flaherty, said.

That interface, the Torrenza Innovation Socket, would use the same 1207-pin Revision F socket that AMD is using for its latest generation of Opteron chips, and would communicate with the main processor using a HyperTransport connection, O'Flaherty said.

HyperTransport is a specification for high-speed communications between chips or circuit boards, proposed by AMD and now managed by the HyperTransport Consortium.

AMD also announced that the project had won the support of six server manufacturers: Cray, Dell, Fujitsu-Siemens Computers, HP, IBM and Sun Microsystems.

"We have exposed our road map in great detail to [equipment manufacturers]," O'Flaherty said. "We are expecting some of the first pieces of the platform in the latter half of 2007."

Server manufacturers could use the interface to add chips to speed up the processing of XML or floating-point calculations, or even to improve gaming performance with a physics accelerator, AMD's technical director sales and marketing for Europe, Giuseppe Amato, said.

Such accelerators are already available for some applications as add-in PCI Express cards, he said. Manufacturers of accelerator chips will be able to improve their performance further by moving them closer to the main processor and connecting them via the Torrenza Innovation Socket.

"It's close to PCI Express. The physical layer changes, but the protocol is PCI Express," he said.

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