Print 8 comment(s) - last by Anemone.. on Jun 8 at 9:36 PM

Hybrid NAND is in with Windows Vista

While Samsung may be bragging about its 30GB Flash-SSD which offers better battery life and no noise compared to traditional hard drives, Seagate is taking a more modest approach. The company has announced its first hybrid 160GB hard drive with an additional 256MB of non-volatile cache, the Momentus 5400 PSD.

The large cache allows for faster booting and resume, lower power consumption, greater reliability and higher drive performance due to the loading of system files into the 256MB cache. Seagate is also applying perpendicular recording technology to the 5400RPM hard drive to achieve its large capacity and greater read/write speeds.

The hybrid drives will be fully supported by the oft-delayed Windows Vista operating system thanks to what Microsoft calls “ReadyDrive” technology.  "Microsoft is pleased to be working with Seagate on the next generation of notebook disc drives. Seagate's new notebook disc drives will be able to take advantage of breakthrough features in Windows Vista that will benefit customers by delivering faster boot times and longer battery life," said Mike Sievert, corporate vice president of Windows Client Marketing for Microsoft.

ReadyDrive basically takes full advantage of 256MB of cache when performing system operations – something that Windows XP won’t have the ability to do. Bottom line, if you’re looking to get a hybrid hard drive in the future, don’t bother running it on Windows XP.

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RE: Better solution
By lemonadesoda on 6/8/2006 5:49:35 AM , Rating: 2

I personally think a cleverer solution is to use VOLATILE memory. Cheaper and faster. Therefore can use a larger cache at same price point.

The volatile memory is designed to mirror a fixed "read only" partition on the HDD. e.g. A copy of the OS and drivers.

When the HDD boots, ie. when laptop turned on and BIOS sends a "hello, who are you" message to the HDD, the HDD automatically rips the whole "read only" partition into the volatile cache.

As a linear rip, the whole process could be achieved in a couple of seconds, while the laptop is still showing the boot/logo/memory count screen.


RE: Better solution
By daniel7072 on 6/8/2006 8:48:41 AM , Rating: 2
It seems very smart to me... how come it's not being done?
A special partition of the critical OS files and drivers on the HDD, loaded into normal RAM at boot time, seems very simple and easy- surely there is a catch!

RE: Better solution
By lemonadesoda on 6/8/2006 2:54:56 PM , Rating: 2
You saw it here, at DailyTech, first! :P

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