Snow Leopard Reports Hard Drive Capacity Correctly (in Base 10) [Disk Space]

31 Ago/09

ZDNet reports that Snow Leopard has changed the way it calculates disk capacity from earlier versions of OS X: now it’s actually accurate, and you can better judge when a disk is really, actually full.

When it’s running Snow Leopard, your Mac shows you the same gigabyte count on your drives as appear on the manufacturer’s box, calculated in base 10, and not in base 2, which is what Leopard, all earlier versions of OS X and all current and earlier versions of Windows uses. This Apple knowledge base article explains:

A 200 GB drive shows 200 GB capacity (for example, if you select the hard drive’s icon and choose Get Info from the Finder’s File menu, then look at the Capacity line). This means that, for example, if you upgrade from an earlier version of Mac OS X, your drive may show more capacity than in the earlier Mac OS X version.

My own tests confirm: a 4GB Cruzer thumb drive in my Snow Leopard Mac shows up with a capacity of 4.01GB. Leopard reports the same drive’s capacity as 3.74GB. (Click to enlarge the screenshot on the right.)

Kudos to Apple for leading the charge on this change for the better, which will reduce age-old consumer confusion and questions about why a drive seems smaller in the software than it says it is on the box. This change also raises two other interesting questions: Is this new “found space” part of the reason why Snow Leopard “saves” you disk space? (Because if it is, SL isn’t actually saving you anything–it’s just an accounting adjustment.) More importantly for the rest of the market: When will Windows follow suit?

Snow Leopard fixes disk capacity bug [ZDNet]

Smarterware is Lifehacker editor emeritus Gina Trapani’s new home away from ‘hacker. To get all of the latest from Smarterware, be sure to subscribe to the Smarterware RSS feed. For more, check out Gina’s weekly Smarterware feature here on Lifehacker.

Continua a leggere – Original Link: Snow Leopard Reports Hard Drive Capacity Correctly (in Base 10) [Disk Space]

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