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IBM announces Power6 chip for Linux

Next-gen Linux, Unix IBM processor

Mauri said that over the next year, the Power6 will be incorporated into other servers within the System p product line, including blade servers.

It also will be built into IBM's System i servers, which originally were called the AS/400 and can run the company's i5/OS operating system plus AIX, Linux and Windows.

Meanwhile, the Power5+ chip, which was released in late 2005, will continue in production for the next couple of quarters, Mauri said.

According to IBM, the Power6 also includes improved virtualisation functionality, including the ability to move a logical partition to a separate p 570 running in a cluster.

The trend among microprocessor makers is to focus on using multicore chips and throughput gains from techniques such as parallel processing to boost performance, instead of ratcheting up clock speeds. But with the Power6, IBM is working to keep both the multicore and clock speed avenues open, said Richard Partridge, an analyst at IT research firm Ideas International.

Partridge said IBM is benefiting from investments the company has made in its own chip fabrication facilities. "The challenges of getting a high clock speed right without excessive power consumption have stymied some of the other players," he said.

But Partridge added that while IBM now will lead on performance, other server vendors will position their systems as having an appropriate match of price and performance.

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