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A report over an Asian web-site claims that several unnamed mainboard makers have experienced stability issues with several models of Intel’s yet-to-be-released desktop Intel Pentium D processor code-named Presler produced using 65nm manufacturing process. If the information is correct, this may delay certain shipments of the chips that are officially supplied for revenue according the company.

“Sampling Intel’s 65nm dual-core Presler processors has revealed some stability problems,” reports DigiTimes web-site citing unspecified makers of mainboards. According to the news-story, mainboard makers experienced problems with Intel Pentium D processors 920 and 940 that operate at 2.80GHz and 3.00GHz. In the past Intel delayed certain products because of inability to ship in volume or because of additional testing required: for instance, recently Intel postponed the release of its high-end Itanium 2 processor.

The web-site did not disclose what type of instabilities experienced mainboard makers with the chips and whether it is possible to correct with a new BIOS. It is also unclear whether the problems were caused by processor’s design or manufacturing flaws.

The Presler products, which are claimed to be branded as Intel Pentium D 900-series, are expected to be clocked at 2.80GHz, 3.00GHz, 3.20GHz and 3.40GHz, use 800MHz processor system bus and incorporate 4MB of cache in total, or 2MB per core. It is reported that only lower-clocked versions are affected.

Intel is also projected to launch “extreme” version of the Presler for enthusiasts. The processor which is claimed to be branded Intel Pentium Extreme Edition processor 955 will operate at 3.46GHz, sport 1066MHz processor system bus, feature Intel virtualization technology and will only operate with mainboards based on Intel 975X. Each of the processor’s cores will sport Intel Hyper-Threading technology and 2MB of level-two cache (which will result in 4MB of L2 cache per central processing unit in total). All the processors are expected to support such technologies as EM64T, EDB, EIST and iAMT2.

According to the same news-story, Intel’s dual-core Intel Pentium M processor code-named Yonah were on track to be released in January, 2006, and that mainboard makers experienced no issues with the products. The mobile chips have different architecture and are made using other flavour of Intel’s 65nm process technology.

Intel never comments on unreleased products, which is why the unofficial information cannot be checked.


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