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Hard drive shuts itself off after detecting the laws of gravity

Samsung Electronics today introduced its new M80 SATA Series and M80 Series 2.5-inch hard disk drives. Both series utilize Perpendicular Magnetic Recording (PMR) technology, feature an optional free-fall sensors and offer increased storage capacity. Both the M80 SATA and M80 Series comes in 80GB, 120GB and 160GB sizes. 

Samsungs newest 2.5-inch drives offer users increased damage risk protection by incorporating free-fall sensors, which feature a minimum fall detection rate of 30cm. Hard drives enabled with the sensor are able to detect changes in acceleration caused by a freefall, and park the drives head on the ramp and turns the hard drive off, protecting it from damage.

The M80 SATA and M80 Series feature an 8MB cache and a 5,400rpm spindle speed and comes equipped with the Hybrid Latch System, a mechanism that eliminates rattling noises and reduces the clicking noise generated when a drive moves its heads on and off the disk.

The M80 SATA and M80 Series are Samsungs first hard drives based on PMR technology. Unlike traditional longitudinal recording technology, which lays data bits end to end where they can flip and corrupt data on the disc, PMR technology places the data bits perpendicular to the disc, which reduces the corruption factor. In addition, by placing the data bits standing on end, more data can fit onto a disc, allowing for greater storage capacity.

Other hard drive manufacturers have already made headway in the area of PMR technology. Seagate launched 2.5" drives with PMR back in January, and shipped the first 3.5" PMR drives three months later. In May, Hitachi joined the perpendicular ranks in mobile storage with the a new Travelstar. Fujitsu followed during late summer with its MHW2 BH hard drives, and Western Digital with its new Scorpio SATA drive.



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Old News??
By wwwebsurfer on 11/17/2006 2:01:38 PM , Rating: 2
How is this significant? IBM/Lenovo has been doing this for years, and Apple is picking up on it too.

Even better, in a few years we'll be looking at SS HDD's anyway...




RE: Old News??
By captchaos2 on 11/17/2006 2:22:02 PM , Rating: 2
Seriously, I can't wait for my first SS drive, and then I'll be using SD memory chips in a card reader instead of CD's/DVD's in an optical drive, and then I'll have a perfectly silent desktop!


RE: Old News??
By FPSfan on 11/17/2006 2:51:15 PM , Rating: 2
I could be wrong, but I believe that this is "significant" now because this drive has both Perpendicular Magnetic Recording technology AND Freefall sensing. (I don't believe that IBM/Lenovo and Apple have been doing the PMR tech for YEARS, since some of the first 2.5" HDDs w/PMR only came out in January of this year.)

Agree w/you on the eager anticipation of Solid State drives as well.


RE: Old News??
By Motley on 11/18/2006 4:28:52 AM , Rating: 2
Obviously you haven't a clue. Read the article. The *FIRST* 2.5" PMR drives were shipped in January (by Seagate, not IBM/Lenovo or Apple), and then they (Seagate) shipped the FIRST 3.5" PMR drives a few months later. NOONE has been doing it for years. And it's significant because it increases the density of the data by 30%ish, making the drive throughput (given everything else equal) by 30%. And everyone knows laptops sure could use a faster hard drive.


RE: Old News??
By Trippytiger on 11/18/2006 5:16:53 PM , Rating: 2
IBM and Apple have accelerometers on the system board that detect if the laptop is falling and then tell the hard drive to park the heads. These hard drives have all of that functionality on board, so you could use them in any laptop and get the same kind of protection. That is significant.


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