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Why do some PS3 games require HDD installs?


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351w ago - MTV have found out that some Blu-ray games require installs to the hard drive because Blu-ray drives can only read at one speed.

"When this is combined with the extremely large size of Blu-ray discs, and simply dumping existing DVD data onto a Blu-ray disc will inevitably result in longer load times."

To quote: The issue arises from differences in the reading techniques of DVD and Blu-ray. By nature, the outer and inner parts of a disc move at different speeds while a disc is spinning, regardless of format (CD, DVD, Blu-ray, HD-DVD, etc.).

While DVD drives can read data at those differing speeds, Blu-ray reads at one speed. Combine that with the extremely large size of Blu-ray discs, and simply dumping existing DVD data onto a Blu-ray disc will inevitably result in longer load times.

Installations are a way around this issue.

When a publisher asks you to install a game on PS3, it's because they're moving some of the disc data to an area of your console that has much faster read access: the hard drive. You get vastly reduced loading times, but have to sit through an installation.



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#1 - superaktieboy - 350w ago
superaktieboy's Avatar
but BluRay reads faster as well don't it? i mean a bluray reading at the spead of '1x' reads at 12megabits (or megabytes dunno).. compared to a few megs for DVD.

 

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