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CeBIT 2007: Intel to launch Bearlake chipsets for desktops (part 1)
Ricky Morris, DigiTimes.com, Taipei [Thursday 15 March 2007]

Intel and its partners will kick of CeBIT 2007 with the launch of Intel's Bearlake family of chipsets for desktop PCs. The new series introduces support for DDR3 memory, front side bus speeds up to 1333MHz and are designed to support Intel's upcoming 45nm-process CPUs, the Core 2 Duo (Wolfdale) and Core 2 Quad (Yorkfield).

The main chipset on show is known as the P35 and is to be positioned as the successor to Intel's current 965 Express series for mainstream desktops, according to sources. Motherboards based on the P35 will be able to support FSB speeds up to 1333MHz (up from the 1066MHz of the 965) which will be required for several of the CPUs Intel is planning to launch in the second half of the year. The P35 also introduces support for DDR3 memory which is currently specified to run at up to 1066MHz, versus DDR2's 800MHz, and so offers greater memory bandwidth. DDR3 also operates at just 1.5V compared to DRR2's 1.8V.

Supplies of DDR3 are, however, currently low and prices relatively high, which does not match the mainstream position of the P35. For this reason Intel has also designed the P35 with optional legacy support for DDR2 which motherboard makers can choose to implement is several ways: cutting-edge boards that only support DDR3 but which increase system costs because new, expensive RAM needs to be bought; legacy boards that support DDR2, but not DDR3, allowing users to take advantage of the abundance of DDR2 now, but may be limited in the future when DDR3 becomes more common; and so-called "combo" or "hybrid" boards which support both DDR3 and DDR2, but not at the same time, meaning that consumers can save some money by using DDR2 now and upgrade to DDR3 later, but the system is limited to only two DIMMs at a time compared to the four that are available in the other implementations.

Several Taiwan-based motherboard makers will be showing P35-based boards at CeBIT. Micro-Star International (MSI) will display a total of six boards, one pure DDR3, two hybrid-boards, which will target high- and mid-range markets, two pure DDR2 boards, again for the high- and mid-range segments, and finally an mATX-board. ECS will be showing a hybrid-board which will be released as the P35T-A. Also Gigabyte United, which has recently gained a reputation for having some of the most overclockable motherboards in the 965 range will be hoping to do it again with its P35 series.

P35-based motherboards are expected to be available in April or May.

Continue to Part 2 for details of other chipsets in the Bearlake range – not on show at CeBIT – which are set to launch in the second half of 2007.

For complete DigiTimes coverage of CeBIT 2007 go here.

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