Samsung and Microsoft to 'flash' hard drives

The 'Hybrid Hard Drive' is aimed at laptops running Longhorn

By Joris Evers

April 25, 2005 12:00 PM ET

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IDG News Service - Samsung Electronics Co. today plans to show a prototype hard disk drive that includes flash memory, promising lower power usage and less hard disk drive trouble for laptop users.
The Hybrid Hard Drive, developed by Samsung and Microsoft Corp., is meant for mobile PCs running Longhorn, the next version of the Windows operating system. Writing data to flash memory eliminates the need to spin up the hard disk drive, saving power and sparing the drive, said Ivan Greenberg, director of strategic marketing at Samsung.
This leads to a reduction in power consumption of 10% and can also help prevent problems that occur when the drive is moved while in use, Greenberg said.
"The failing item in a returned notebook is typically the hard disk. If we keep that drive spun down, we believe that will have a huge impact," Greenberg said.
When the flash memory is full, the hard disk drive is spun up and the data is written to disk. The prototype contains 128MB of flash memory, Greenberg said. Longhorn will also minimize reading from the hard disk drive by storing more data, including application data, in main memory, he said.
With 64-bit technology, Longhorn can support up to 128GB of main memory. A user could keep all of a PC's data in the main memory, Microsoft Windows chief Jim Allchin said in a recent interview. "Let's suppose you had 10GB of primary memory, probably everything that you do could fit in memory," he said.
A prototype of the hybrid hard drive will be shown for the first time this week at the Windows Hardware Engineering Conference (WinHEC) in Seattle. Commercial versions are planned for release in late 2006, the same time as Longhorn, with the first samples due by the middle of next year, Greenberg said.
The hybrid disk drives may cost more than regular hard disk drives, but Samsung believes that increase will be mitigated by the lower maintenance costs and power savings.

Reprinted with permission from

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