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Old 01-01-2013, 12:13 AM   #13
GeoffR
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Posts: 3,821
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Join Date: Nov 2012
Location: Te Riu-a-Māui
Device: Kobo Glo
Quote:
Originally Posted by bobobo1618 View Post
Oh and I'm not sure where the idea that a lower class card should be used for the system card came from. Can you give me a link and/or the reasoning they used? I can't think of any good reason to suggest this.
The main idea seems to be that class 6 and 10 cards have been optimised for large sequential read/write operations at the expense of small random read/writes, but much operating system performance depends on small random writes (such as updating the KoboReader sqlite database).

This comparison for example suggests that class 4 scandisk and silicon power cards are up to 100x faster than patriot class 10 cards for some small random write operations:

http://www.tomshardware.com/reviews/...e,3011-12.html
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