IBM is planning to announce its first Itanium 2 server this week, ending speculation about the strength of the company's commitment to Intel's processor, according to sources.
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IBM's x450 server was shown last year at Linuxworld and said the server would feature between four and eight Itanium 2 processors.
IBM has its own chip for 64-bit servers, the Power4, which had led many observers to question IBM's desire to release a system based on a competing chip.
The company did build a cluster of Itanium 2-based servers for the National Center of Supercomputing Applications last year, but had been quiet about its plans for the Itanium 2 processor.
Hewlett-Packard said it would ship two Itanium 2-based workstations for the high-performance computing market that run Microsoft's Windows XP 64-bit Edition Version 2003 operating system.
The workstations are the first HP products to make use of the new operating system that is tailored for Itanium products.
A 64-bit version for Advanced Micro Devices's Opteron processor will be released later this year by Microsoft. The zx2000 and zx6000 will be available on 1 May and cost $3,298 (£2,067) and $4,896 (£3,069), respectively.